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Sakamoto, Aiji ; Kawashiri, Masaaki ; Ishibashi-Ueda, Hatsue ; Sugamoto, Yuka ; Yoshimuta, Tsuyoshi ; Higashikata, Takeo ; Ogino, Hitoshi ; Tada, Hayato ; Konno, Tetsuo ; Hayashi, Kenshi ; Yamagishi, Masakazu
出版情報: International Journal of Vascular Medicine.  pp.127149-,  2012-01-01.  Hindawi Publishing Corporation
URL: http://hdl.handle.net/2297/32857
概要: We examined the expression of ephrin-B1 and its cognate receptor EphB2, key regulators of angiogenesis and embryogenesis, in human abdominal aortic aneurysm (AAA) and analyzed their functional roles in cell migration. From 10 patients (9 males and 1 female; age, 68.5 ± 2.4) who underwent vascular surgery for AAA, we obtained AAA and adjacent control tissues. Using real-time RT-PCR, we analyzed expression of ephrin-B1 and EphB2. We also histologically localized these molecules in AAA tissues. Finally, effects of ephrin-B1 and EphB2 on inflammatory cell chemotaxis were examined by cell migration assay. Expression levels of ephrin-B1 (0.410 ± 0.046 versus 1.198 ± 0.252, P = 0.027) and EphB2 (0.764 ± 0.212 versus 1.272 ± 0.137, P = 0.594) were higher in AAA than normal control. Both ephrin-B1 and EphB2 were expressed in macrophages, T lymphocytes, and endothelial cells within AAA. In chemotaxis assay, ephrin-B1 and EphB2 inhibited mononuclear-cell chemotaxis induced by stromal derived factor-1 down to 54.7 ± 12.7 (P = 0.01) and 50.7 ± 13.1 (P = 0.01), respectively. These data suggest that ephrin-B1 and EphB2 might be functional in human adult inflammatory cells and involved in the pathogenesis of AAA, although specific roles of these molecules should further be sought. © 2012 Aiji Sakamoto et al. 続きを見る
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Funada, Akira ; Goto, Yoshikazu ; Maeda, Tetsuo ; Teramoto, Ryota ; Hayashi, Kenshi ; Yamagishi, Masakazu
出版情報: Circulation Journal.  80  pp.1153-1162,  2016-01-01.  日本循環器学会 = The Japanese Circulation Society
URL: http://hdl.handle.net/2297/44912
概要: Background:There is sparse data regarding the survival and neurological outcome of elderly patients with out-of-hospital cardiac arrest (OHCA).Methods and Results:OHCA patients (334,730) aged ≥75 years were analyzed using a nationwide, prospective, population-based Japanese OHCA database from 2008 to 2012. The overall 1-month survival with favorable neurological outcome (Cerebral Performance Category Scale, category 1 or 2; CPC 1-2) rate was 0.88%. During the study period, the annual 1-month CPC 1-2 rate in whole OHCA significantly improved (0.73% to 0.96%, P for trend <0.001). In particular, outcomes of OHCA patients aged 75 to 84 years and those aged 85 to 94 years significantly improved (0.98% to 1.28%, P for trend=0.01; 0.46% to 0.70%, P for trend <0.001, respectively). However, in OHCA patients aged ≥95 years, the outcomes did not improve. Multivariate logistic regression analysis indicated that younger age, shockable first documented rhythm, witnessed arrest, earlier emergency medical service (EMS) response time, and cardiac etiology were significantly associated with the 1-month CPC 1-2. Under these conditions, elderly OHCA patients who had cardiac etiology, shockable rhythm and had a witnessed arrest had acceptable 1-month CPC1-2 rate; 7.98% in cases where OHCA was witnessed by family, 15.2% by non-family, and 25.6% by EMS.Conclusions:The annual 1-month CPC 1-2 rate after OHCA among elderly patients significantly improved, and the resuscitation of elderly patients in a selected population is not futile. 続きを見る
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Tada, Hayato ; Kawashiri, Masa-aki ; Okada, Hirofumi ; Teramoto, Ryota ; Konno, Tetsuo ; Yoshimuta, Tsuyoshi ; Sakata, Kenji ; Nohara, Atsushi ; Inazu, Akihiro ; Kobayashi, Junji ; Mabuchi, Hiroshi ; Yamagishi, Masakazu ; Hayashi, Kenshi
出版情報: American Journal of Cardiology.  115  pp.724-729,  2015-03-15.  Elsevier
URL: http://hdl.handle.net/2297/41369
概要: The aims of this study were (1) to determine whether the accumulation of coronary plaque burden assessed with coronary computed tomography angiography (CCTA) can predict future events and (2) to estimate the onset and progression of coronary atherosclerosis in patients with familial hypercholesterolemia (FH). Consecutive 101 Japanese patients with heterozygous FH (men= 52, mean age 56 ± 16years, mean low-density lipoprotein cholesterol 264 ± 58mg/dl) who underwent 64-detector row CCTA without known coronary artery disease were retrospectively evaluated by assigning a score (0 to 5) to each of 17 coronary artery segments according to the Society of Cardiovascular Computed Tomography guidelines. Those scores were summed and subsequently natural log transformed. The periods to major adverse cardiac events (MACE) were estimated using multivariable Cox proportional hazards models. During the follow-up period (median 941days), 21 MACE had occurred. Receiver operating characteristic curve analyses identified a plaque burden score of 3.35 (raw score 28.5) as the optimal cutoff for predicting a worse prognosis. Multivariate Coxregression analysis identified the presence of a plaque score ≥3.35 as a significant independent predictor of MACE (hazard ratio= 3.65; 95% confidence interval 1.32 to 25.84, p<0.05). The regression equations were Y= 0.68. X- 15.6 (r= 0.54, p <0.05) in male and Y= 0.74. X- 24.8 (r= 0.69, p <0.05) in female patients with heterozygous FH. In conclusion, coronary plaque burden identified in a noninvasive, quantitative manner was significantly associated with future coronary events in Japanese patients with heterozygous FH and that coronary atherosclerosis may start to develop, on average, at age 23 and 34years in male and female patients with heterozygous FH, respectively. 続きを見る
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Yoshida, Shohei ; Tada, Hayato ; Yamagishi, Masakazu
出版情報: Therapeutic Apheresis and Dialysis.  19  pp.624-626,  2015-12-01.  Blackwell Publishing Ltd
URL: http://hdl.handle.net/2297/43949
概要: 発行後1年より全文公開
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Furuta, Takuya ; Tsubokawa, Toshinari ; Takabatake, Shu ; Ohtake, Hiroshi ; Watanabe, Go ; Yamagishi, Masakazu
出版情報: Internal Medicine.  50  pp.1025-1028,  2011-01-01.  The Japanese Society of Internal Medicine = 日本内科学会
URL: http://hdl.handle.net/2297/28341
概要: 金沢大学附属病院循環器内科<br />Early and accurate diagnosis of infective aortic aneurysms (IAA) is critical for adequate treat ment to optimize patient outcome. We report the case of an 84-year-old man who complained of severe back pain with high fever and was finally diagnosed as Escherichia coli-related IAA. Computed tomography showed a periaortic soft tissue density and irregular fringe adjacent to the non-dilated abdominal aorta suggesting the presence of pseudoaneurysm. In addition to intravenous antibiotic injection, an aneurysmectomy with extensive debridement and an in situ graft, were successfully performed. The case emphasizes the potential for rapid IAA change and the need for frequent radiologic follow-up. © 2011 The Japanese Society of Internal Medicine. 続きを見る
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Kim, Fae ; Yamada, Kazunori ; Inoue, Dai ; Nakajima, Kenichi ; Mizushima, Ichiro ; Kakuchi, Yasushi ; Fujii, Hiroshi ; Narumi, Kenta ; Matsumura, Masami ; Umehara, Hisanori ; Yamagishi, Masakazu ; Kawano, Mitsuhiro
出版情報: Internal Medicine.  50  pp.1239-1244,  2011-01-01.  The Japanese Society of Internal Medicine = 日本内科学会
URL: http://hdl.handle.net/2297/28339
概要: 金沢大学附属病院リウマチ・膠原病内科<br />Immunoglobulin G4 (IgG4)-related tubulointerstitial nephritis (TIN) is often accompanied b y autoimmune pancreatitis (AIP) or chronic sclerosing dacryoadenitis and sialoadenitis. However, IgG4-related TIN without AIP or lacrimal and/or salivary gland lesions has not been well recognized. Here, we report a case of IgG4-related TIN associated with hepatic inflammatory pseudotumor without AIP or lacrimal and/or salivary gland lesions. A 58-year-old Japanese man with epigastralgia underwent contrast-enhanced computed tomography (CT), which revealed multiple low-density lesions in both kidneys and a low density hepatic mass. Laboratory tests showed an extremely high level of serum IgG4. Percutaneous renal and hepatic biopsies showed diffuse infiltration of lymphocytes and IgG4-positive plasma cells with fibrosis in both tissues. Two months after administration of oral prednisolone, both lesions decreased in size on follow-up CT, and the serum cre-atinine level also improved. No recurrence has been detected for two years with a maintenance dose of pred-nisolone. © 2011 The Japanese Society of Internal Medicine. 続きを見る
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Tada, Hayato ; Kawashiri, Masa-aki ; Masuta, Eiichi ; Yamagishi, Masakazu
出版情報: Internal Medicine.  49  pp.1457-1458,  2010-01-01.  Japanese Society of Internal Medicine = 日本内科学会
URL: http://hdl.handle.net/2297/25029
概要: 金沢大学附属病院循環器内科
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Matsumura, Masami ; Kakuchi, Yasushi ; Hamano, Ryoko ; Kitajima, Susumu ; Ueda, Akihito ; Kawano, Mitsuhiro ; Yamagishi, Masakazu
出版情報: Internal Medicine.  46  pp.1585-1587,  2007-09-25.  日本内科学会 = Japanese Society of Internal Medicine
URL: http://hdl.handle.net/2297/16750
概要: 金沢大学附属病院 リウマチ・膠原病・腎臓内科<br />Systemic capillary leak syndrome is characterized by recurrent hypovolemic shock attri butable to increased systemic capillary leakage. A 26-year-old woman was admitted because of recurrent episodes of hypovolemic shock. Hemoconcentration, hypoalbuminemia, and monoclonal gammopathy were observed. We diagnosed systemic capillary leak syndrome. Three years later, she again had an attack of systemic capillary leak syndrome complicated with pretibial compartment syndrome. This case emphasizes the importance of muscle compartment pressure monitoring during volume resuscitation in patients with systemic capillary leak syndrome. © 2007 The Japanese Society of Internal Medicine. 続きを見る
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Tada, Hayato ; Kawashiri, Masaaki ; Noguchi, Tohru ; Mori, Mika ; Tsuchida, Masayuki ; Takata, Mutsuko ; Nohara, Atsushi ; Inazu, Akihiro ; Kobayashi, Junji ; Yachie, Akihiro ; Mabuchi, Hiroshi ; Yamagishi, Masakazu
出版情報: Clinica Chimica Acta.  400  pp.42-47,  2009-02-01.  Elsevier
URL: http://hdl.handle.net/2297/14392
概要: 金沢大学附属病院循環器内科<br />Background: The objective of this study was to develop a new and simple method for measuring lo w-density lipoprotein receptor (LDLR) activity using peripheral lymphocytes enabling us to clinically diagnose familial hypercholesterolemia (FH) and ascertain the involved mutations (such as K790X mutation), that might not be clearly detected in the conventional method. Methods: Our method comprised the following 2 features: first, we used anti-CD3/CD28 beads to stimulate T-lymphocytes to obtain a uniform fraction of lymphocytes and maximum up-regulation of LDLR. Second, we excluded the possibility of overestimation of lymphocyte signals bound only to its surface, by adding heparin to the cultured lymphocytes used for the LDLR assay. Results: Based on the genetic mutation, the FH subjects were divided into 2 groups, K790X, (n = 20) and P664L, (n = 5), and their LDLR activities was measured by this method, which was found to be 55.3 ± 8.9% and 63.9 ± 13.8%, respectively, of that of the control group (n = 15). In comparison, the LDLR activity was 86.1 ± 11.6% (K790X) and 73.3 ± 6.3% (P664L) of that of the control group when measured by the conventional method, indicating that impairment of LDLR function in FH K790X subjects was much more clearly differentiated with our method than with the conventional method (paired t-test, p < 0.0001). The levels of LDLR expression also showed similar tendencies, that is, 89.4 ± 13.2% (K790X) and 76.9 ± 17.4% (P664L) of that of the control group when measured by the conventional method, and 78.1 ± 9.7% (K790X) and 70.3 ± 26.5% (P664L) when measured by our new method. In addition, we confirmed that there was little influence of statin treatment on LDLR activity among the study subjects when our method was used. Conclusion: These results demonstrate that our new method is applicable for measuring LDLR activity, even in subjects with an internally defective allele, and that T-lymphocytes of the FH K790X mutation possess characteristics of that allele. © 2008 Elsevier B.V. All rights reserved. 続きを見る
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Ohtsuji, Michio ; Yagi, Kunimasa ; Shintaku-Kubota, Miyuki ; Kojima-Koba, Yukiko ; Ito, Naoko ; Sugihara, Masako ; Yamaaki, Naoto ; Chujo, Daisuke ; Nohara, Atsushi ; Takeda, Yoshiyu ; Kobayashi, Junji ; Yamagishi, Masakazu ; Higashida, Haruhiro
出版情報: Experimental diabetes research.  2008  pp.89758-,  2008-12-01.  Hindawi Publishing Corporation
URL: http://hdl.handle.net/2297/18975
概要: 金沢大学附属病院<br />AIMS/HYPOTHESIS: ADP-ribosyl-cyclase activity (ADPRCA) of CD38 and other ectoenzymes mainly generate cyclic adenosine 5'diphosphate-(ADP-) ribose (cADPR) as a second messenger in various mammalian cells, including pancreatic beta cells and peripheral blood mononuclear cells (PBMCs). Since PBMCs contribute to the pathogenesis of diabetic nephropathy, ADPRCA of PBMCs could serve as a clinical prognostic marker for diabetic nephropathy. This study aimed to investigate the connection between ADPRCA in PBMCs and diabetic complications. METHODS: PBMCs from 60 diabetic patients (10 for type 1 and 50 for type 2) and 15 nondiabetic controls were fluorometrically measured for ADPRCA based on the conversion of nicotinamide guanine dinucleotide (NGD(+)) into cyclic GDP-ribose. RESULTS: ADPRCA negatively correlated with the level of HbA1c (P = .040, R(2) = .073), although ADPRCA showed no significant correlation with gender, age, BMI, blood pressure, level of fasting plasma glucose and lipid levels, as well as type, duration, or medication of diabetes. Interestingly, patients with nephropathy, but not other complications, presented significantly lower ADPRCA than those without nephropathy (P = .0198) and diabetes (P = .0332). ANCOVA analysis adjusted for HbA1c showed no significant correlation between ADPRCA and nephropathy. However, logistic regression analyses revealed that determinants for nephropathy were systolic blood pressure and ADPRCA, not HbA1c. CONCLUSION/INTERPRETATION: Decreased ADPRCA significantly correlated with diabetic nephropathy. ADPRCA in PBMCs would be an important marker associated with diabetic nephropathy. 続きを見る
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Tada, Hayato ; Kawashiri, Masaaki ; Watanabe, Go ; Yamagishi, Masakazu
出版情報: Internal Medicine.  48  pp.859-,  2009-01-01.  Japanese Society of Internal Medicine = 日本内科学会
URL: http://hdl.handle.net/2297/18718
概要: 金沢大学附属病院検査部
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Al Mahmuda, Naila ; Yokoyama, Shigeru ; Huang, Jian-Jun ; Liu, Li ; Munesue, Toshio ; Nakatani, Hideo ; Hayashi, Kenshi ; Yagi, Kunimasa ; Yamagishi, Masakazu ; Higashida, Haruhiro
出版情報: International Journal of Molecular Sciences.  17  pp.00772-,  2016-05-01.  Multidisciplinary Digital Publishing Institute (MDPI)
URL: http://hdl.handle.net/2297/45573
概要: Autism Spectrum Disorder (ASD) is a group of neurodevelopmental disorders with complex genetic etiology. Recent studies have indicated that children with ASD may have altered folate or methionine metabolism, suggesting that the folate-methionine cycle may play a key role in the etiology of ASD. SLC19A1, also referred to as reduced folate carrier 1 (RFC1), is a member of the solute carrier group of transporters and is one of the key enzymes in the folate metabolism pathway. Findings from multiple genomic screens suggest the presence of an autism susceptibility locus on chromosome 21q22.3, which includes SLC19A1. Therefore, we performed a case-control study in a Japanese population. In this study, DNA samples obtained from 147 ASD patients at the Kanazawa University Hospital in Japan and 150 unrelated healthy Japanese volunteers were examined by the sequence-specific primer-polymerase chain reaction method pooled with fluorescence correlation spectroscopy. p < 0.05 was considered to represent a statistically significant outcome. Of 13 single nucleotide polymorphisms (SNPs) examined, a significant p-value was obtained for AA genotype of one SNP (rs1023159, OR = 0.39, 95% CI = 0.16-0.91, p = 0.0394; Fisher’s exact test). Despite some conflicting results, our findings supported a role for the polymorphism rs1023159 of the SLC19A1 gene, alone or in combination, as a risk factor for ASD. However, the findings were not consistent after multiple testing corrections. In conclusion, although our results supported a role of the SLC19A1 gene in the etiology of ASD, it was not a significant risk factor for the ASD samples analyzed in this study. © 2016 by the authors; licensee MDPI, Basel, Switzerland. 続きを見る
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Munesue, Toshio ; Yokoyama, Shigeru ; Nakamura, Kazuhiko ; Anitha, Ayyappan ; Yamada, Kazuo ; Hayashi, Kenshi ; Asaka, Tomoya ; Liu, Hong-Xiang ; Jin, Duo ; Koizumi, Keita ; Islam, Mohammad Saharul ; Huang, Jian-Jun ; Ma, Wen-Jie ; Kim, Uh-Hyun ; Kim, Sun-Jun ; Park, Keunwan ; Kim, Dongsup ; Kikuchi, Mitsuru ; Ono, Yasuki ; Nakatani, Hideo ; Suda, Shiro ; Miyachi, Taishi ; Hirai, Hirokazu ; Salmina, Alla ; Pichugina, Yu A. ; Soumarokov, Andrei A. ; Takei, Nori ; Mori, Norio ; Tsujii, Masatsugu ; Sugiyama, Toshiro ; Yagi, Kunimasa ; Yamagishi, Masakazu ; Sasaki, Tsukasa ; Yamasue, Hidenori ; Kato, Nobumasa ; Hashimoto, Ryota ; Taniike, Masako ; Hayashi, Yutaka ; Hamada, Jun-ichiro ; Suzuki, Shioto ; Ooi, Akishi ; Noda, Mami ; Kamiyama, Yuko ; Kido, Mizuho A. ; Lopatina, Olga ; Hashii, Minako ; Amina, Sarwat ; Malavasi, Fabio ; Huang, Eric J. ; Zhang, Jiasheng ; Shimizu, Nobuaki ; Yoshikawa, Takeo ; Matsushima, Akihiro ; Minabe, Yoshio ; Higashida, Haruhiro
出版情報: Neuroscience Research.  67  pp.181-191,  2010-06-01.  Elsevier / the Japan Neuroscience Society = 日本神経科学学会
URL: http://hdl.handle.net/2297/24571
概要: 金沢大学医薬保健研究域医学系<br />The neurobiological basis of autism spectrum disorder (ASD) remains poorly understood. Given t he role of CD38 in social recognition through oxytocin (OT) release, we hypothesized that CD38 may play a role in the etiology of ASD. Here, we first examined the immunohistochemical expression of CD38 in the hypothalamus of post-mortem brains of non-ASD subjects and found that CD38 was colocalized with OT in secretory neurons. In studies of the association between CD38 and autism, we analyzed 10 single nucleotide polymorphisms (SNPs) and mutations of CD38 by re-sequencing DNAs mainly from a case-control study in Japan, and Caucasian cases mainly recruited to the Autism Genetic Resource Exchange (AGRE). The SNPs of CD38, rs6449197 (p< 0.040) and rs3796863 (p< 0.005) showed significant associations with a subset of ASD (IQ > 70; designated as high-functioning autism (HFA)) in the U.S. 104 AGRE family trios, but not with Japanese 188 HFA subjects. A mutation that caused tryptophan to replace arginine at amino acid residue 140 (R140W; (rs1800561, 4693C>T)) was found in 0.6-4.6% of the Japanese population and was associated with ASD in the smaller case-control study. The SNP was clustered in pedigrees in which the fathers and brothers of T-allele-carrier probands had ASD or ASD traits. In this cohort OT plasma levels were lower in subjects with the T allele than in those without. One proband with the T allele who was taking nasal OT spray showed relief of symptoms. The two variant CD38 poloymorphysms tested may be of interest with regard of the pathophysiology of ASD. © 2010 Elsevier Ireland Ltd and the Japan Neuroscience Society. 続きを見る
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Mabuchi, Hiroshi ; Nohara, Atsushi ; Noguchi, Tohru ; Kobayashi, Junji ; Kawashiri, Masaaki ; Tada, Hayato ; Nakanishi, Chiaki ; Mori, Mika ; Yamagishi, Masakazu ; Inazu, Akihiro ; Koizumi, Junji ; Hokuriku FH Study Group
出版情報: Atherosclerosis.  214  pp.404-407,  2011-02-01.  Elsevier
URL: http://hdl.handle.net/2297/26608
概要: 金沢大学医学系研究科<br />Aim: Familial hypercholesterolemia (FH) is caused by mutations of FH genes, i.e. LDL-receptor (LDL R), PCSK9 and apolipoprotein B (ApoB) gene. We evaluated the usefulness of DNA analysis for the diagnosis of homozygous FH (homo-FH), and studied the frequency of FH in the Hokuriku district of Japan. Methods: Twenty-five homo-FH patients were recruited. LDLR mutations were identified using the Invader assay method. Mutations in PCSK9 were detected by PCR-SSCP followed by direct sequence analysis. Results: We confirmed 15 true homozygotes and 10 compound heterozygotes for LDLR mutations. Three types of double heterozygotes for LDLR and PCSK9 were found. No FH patients due to ApoB mutations were found. The incidences of homo-FH and hetero-FH in the Hokuriku district were 1/171,167 and 1/208, respectively. Conclusions: Our observations underlined the value of FH gene analysis in diagnosing homo-FH and confirmed extraordinarily high frequency of FH in the Hokuriku district of Japan. © 2010 Elsevier Ireland Ltd. 続きを見る
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Oka, Rie ; Kobayashi, Junji ; Inazu, Akihiro ; Yagi, Kunimasa ; Miyamoto, Susumu ; Sakurai, Masaru ; Nakamura, Koshi ; Miura, Katsuyuki ; Nakagawa, Hideaki ; Yamagishi, Masakazu
出版情報: Metabolism: Clinical and Experimental.  59  pp.748-754,  2010-05-01.  Elsevier
URL: http://hdl.handle.net/2297/23920
概要: 金沢大学大学院医学系研究科<br />北陸中央病院内科<br />We investigated the relative impacts of visceral adiposity and insulin resi stance on the metabolic risk profile in middle-aged Japanese men. A cross-sectional study was conducted in 636 nondiabetic Japanese men with a mean age of 51.6 years. Visceral adipose tissue (AT) was assessed using computed tomography, and insulin resistance was determined by the homeostasis model assessment of insulin resistance (HOMA-IR). Metabolic risk factors were diagnosed according to the National Cholesterol Education Program Adult Treatment Panel III metabolic syndrome criteria: (1) hypertriglyceridemia, (2) low high-density lipoprotein cholesterol, (3) hypertension, (4) impaired fasting glucose, and (5) impaired glucose tolerance. Visceral AT and HOMA-IR were significantly and positively correlated with each other (r = 0.41, P < .001). Using the 75th percentile value as a cut point, those with isolated large visceral AT showed significantly greater odds ratios for each of the 5 risk factors measured except impaired fasting glucose, whereas those with isolated high HOMA-IR showed significantly greater odds ratios for each of the 5 risk factors except hypertriglyceridemia and impaired glucose tolerance, compared with the control group. The combined group (increased visceral AT and HOMA-IR) had the highest odds ratios for all studied risk factors. On logistic regression analysis using visceral AT and HOMA-IR as continuous independent variables, they were each independently associated with most of the metabolic risk factors and their clustering. In conclusion, neither visceral AT nor HOMA-IR stands out as the sole driving force of the risk profile; each makes a significant contribution to metabolic abnormalities in Japanese men. © 2010 Elsevier Inc. All rights reserved. 続きを見る
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Zoshima, Takeshi ; Matsumura, Masami ; Suzuki, Yasunori ; Kakuchi, Yasushi ; Mizushima, Ichiro ; Fujii, Hiroshi ; Yamada, Kazunori ; Yamagishi, Masakazu ; Kawano, Mitsuhiro
出版情報: Modern Rheumatology.  23  pp.1029-1033,  2013-09-01.  Japan College of Rheumatology 日本リウマチ学会 / Springer Verlag (Germany)
URL: http://hdl.handle.net/2297/32840
概要: We describe a patient with refractory cutaneous polyarteritis nodosa (CPAN) with hepatitis B virus (HBV) carrier status who was successfully treated with tumor necrosis factor alpha (TNF-α) blockade, using etanercept, and we review 5 similar cases. We administered etanercept because of the occurrence of repeated flares despite aggressive therapy. C-reactive protein normalization; prednisolone dose-sparing; and absence of any adverse events, including HBV reactivation with nucleotide analogue administration, or renal dysfunction, have been achieved for 8 months. TNF-α blockade should be considered for intractable CPAN. © 2012 Japan College of Rheumatology.<br />In Press → 出版者照会後に全文を公開. 続きを見る
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Noguchi, Tohru ; Kobayashi, Junji ; Yagi, Kunimasa ; Nohara, Atsushi ; Yamaaki, Naoto ; Sugihara, Masako ; Ito, Naoko ; Oka, Rie ; Kawashiri, Masaaki ; Tada, Hayato ; Takata, Mutsuko ; Inazu, Akihiro ; Yamagishi, Masakazu ; Mabuchi, Hiroshi
出版情報: Atherosclerosis 217 (1), pp. 165-170.  217  pp.165-170,  2011-07-01.  Elsevier Ireland Ltd
URL: http://hdl.handle.net/2297/27306
概要: 金沢大学医学系研究科<br />Background: Bezafibrate and fenofibrate show different binding properties against peroxisome proli ferator-activated receptor subtypes, which could cause different clinical effects on circulating proprotein convertase subtilisin/kexin type 9 (PCSK9) levels and on various metabolic markers. Methods: An open, randomized, four-phased crossover study using 400 mg of bezafibrate or 200 mg of fenofibrate was performed. Study subjects were 14 dyslipidemia with impaired glucose tolerance or type 2 diabetes mellitus (61 ± 16 years, body mass index (BMI) 26 ± 3 kg/m2, total cholesterol (TC) 219 ± 53 mg/dL, triglyceride (TG) 183 ± 83 mg/dL, high-density lipoprotein-cholesterol (HDL-C) 46 ± 8 mg/dL, fasting plasma glucose 133 ± 31 mg/dL and HbA1c 6.2 ± 0.8%). Subjects were given either bezafibrate or fenofibrate for 8 weeks, discontinued for 4 weeks and then switched to the other fibrate for 8 weeks. Circulating PCSK9 levels and other metabolic parameters, including adiponectin, leptin and urine 8-hydroxy-2′-deoxyguanosine (8-OHdG) were measured at 0, 8, 12 and 20 weeks. Results: Plasma PCSK9 concentrations were significantly increased (+39.7% for bezafibrate and +66.8% for fenofibrate, p < 0.001) in all patients except for one subject when treated with bezafibrate. Both bezafibrate and fenofibrate caused reductions in TG (-38.3%, p < 0.001 vs. -32.9%, p < 0.01) and increases in HDL-C (+18.0%, p < 0.001 vs. +11.7%, p < 0.001). Fenofibrate significantly reduced serum cholesterol levels (TC, -11.2%, p < 0.01; non-HDL-C, -17.3%, p < 0.01; apolipoprotein B, -15.1%, p < 0.01), whereas bezafibrate significantly improved glucose tolerance (insulin, -17.0%, p < 0.05) and metabolic markers (γ-GTP, -38.9%, p < 0.01; adiponectin, +15.4%, p < 0.05; urine 8-OHdG/Cre, -9.5%, p < 0.05). Conclusion: Both bezafibrate and fenofibrate increased plasma PCSK9 concentrations. The addition of a PCSK9 inhibitor to each fibrate therapy may achieve beneficial cholesterol lowering along with desirable effects of respective fibrates. © 2011 Elsevier Ireland Ltd. All rights reserved. 続きを見る
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Zoshima, Takeshi ; Matsumura, Masami ; Suzuki, Yasunori ; Kakuchi, Yasushi ; Mizushima, Ichiro ; Fujii, Hiroshi ; Yamada, Kazunori ; Yamagishi, Masakazu ; Kawano, Mitsuhiro
出版情報: Modern Rheumatology.  23  pp.1029-1033,  2013-09-01.  Japan College of Rheumatology 日本リウマチ学会/ Springer Verlag (Germany)
URL: http://hdl.handle.net/2297/36280
概要: We describe a patient with refractory cutaneous polyarteritis nodosa (CPAN) with hepatitis B virus (HBV) carrier status who was successfully treated with tumor necrosis factor alpha (TNF-α) blockade, using etanercept, and we review 5 similar cases. We administered etanercept because of the occurrence of repeated flares despite aggressive therapy. C-reactive protein normalization; prednisolone dose-sparing; and absence of any adverse events, including HBV reactivation with nucleotide analogue administration, or renal dysfunction, have been achieved for 8 months. TNF-α blockade should be considered for intractable CPAN. © 2012 Japan College of Rheumatology.<br />This is the pre-peer reviewed version of the following article: http://informahealthcare.com/doi/abs/10.3109/s10165-012-0732-8, which has been published in final form at http://dspace.lib.kanazawa-u.ac.jp/dspace/handle/2297/36280 . 続きを見る
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Demura, Masashi ; Wang, Fen ; Yoneda, Takashi ; Karashima, Shigehiro ; Mori, Shunsuke ; Oe, Masashi ; Kometani, Mitsuhiro ; Sawamura, Toshitaka ; Cheng, Yuan ; Maeda, Yuji ; Namiki, Mikio ; Ino, Hidekazu ; Fujino, Noboru ; Uchiyama, Katsuharu ; Tsubokawa, Toshinari ; Yamagishi, Masakazu ; Nakamura, Yasuhiro ; Ono, Katsuhiko ; Sasano, Hironobu ; Demura, Yoshiki ; Takeda, Yoshiyu
出版情報: Journal of Hypertension.  29  pp.1185-1195,  2011-06-01.  Wolters Kluwer Health / Lippincott Williams & Wilkins
URL: http://hdl.handle.net/2297/27783
概要: 金沢大学医薬保健研究域医学系<br />Objective: Nuclear receptors are involved in a wide variety of functions, including aldosteron ogenesis. Nuclear receptor families NR4A [nerve growth factor-induced clone B (NGFIB), Nur-related factor 1 (NURR1) and neuron-derived orphan receptor 1 (NOR1)] and NR2F [chicken ovalbumin upstream promoter-transcription factor 1 (COUP-TFI), COUP-TFII and NR2F6) activate, whereas NR5A1 [steroidogenic factor 1 (SF1)] represses CYP11B2 (aldosterone synthase) gene transcription. The present study was undertaken to elucidate the mechanism of differential regulation of nuclear receptors between cardiovascular and adrenal tissues. Methods: We collected tissues of artery (n = 9), cardiomyopathy muscle (n = 9), heart muscle (noncardiomyopathy) (n = 6), adrenal gland (n = 9) and aldosterone-producing adenoma (APA) (n = 9). 5′-rapid amplification of cDNA ends (RACE) identified transcription start sites. Multiplex reverse-transcription PCR (RT-PCR) determined use of alternative noncoding exons 1 (ANEs). Results: In adrenocortical H295R cells, angiotensin II, KCl or cAMP, all stimulated CYP11B2 transcription and NR4A was upregulated, whereas NR2F and NR5A1 were downregulated. 5′-RACE and RT-PCR revealed four ANEs of NGFIB (NR4A1), three of NURR1 (NR4A2), two of NOR1 (NR4A3) and two of SF1 (NR5A1) in cardiovascular and adrenal tissues. Quantitative multiplex RT-PCR showed NR4A and NR5A1 differentially employed multiple ANEs in a tissue-specific manner. The use of ANEs of NGFIB and NURR1 was significantly different between APA and artery. Changes in use of ANEs of NGFIB and NOR1 were observed between cardiomyopathy and noncardiomyopathy. The NR4A mRNA levels in artery were high compared with cardiac and adrenal tissues, whereas the NR5A1 mRNA level in adrenal tissues was extremely high compared with cardiovascular tissues. Conclusion: NR4A and NR5A1 genes are complex in terms of alternative promoter use. The use of ANEs may be associated with the pathophysiology of the heart and adrenal gland. © 2011 Wolters Kluwer Health | Lippincott Williams & Wilkins. 続きを見る
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Moriuchi, Tadashi ; Oka, Rie ; Yagi, Kunimasa ; Miyamoto, Susumu ; Nomura, Hideki ; Yamagishi, Masakazu ; Mabuchi, Hiroshi ; Kobayashi, Junji ; Koizumi, Junji
出版情報: Internal Medicine.  49  pp.1271-1276,  2010-07-01.  Japanese Society of Internal Medicine = 日本内科学会
URL: http://hdl.handle.net/2297/28981
概要: Objective High-normal, the intermediate category between normal fasting glucose (NFG) and impaired fasting glucose (IFG), was introduced in the criteria of the disordered glucose metabolism in 2008. The aim of this study was to investigate the risk for future incidence of type 2 diabetes of the subjects with high-normal and to examine how other metabolic variables could be useful for their risk stratification. Methods A historical cohort study was conducted from 2001 to 2008, inclusive, in 4,165 non-diabetic employees at public schools (2,229 men and 1,936 women; age 45.8±5.9 years, range 25-55 years). They were classified at baseline as NFG with fasting plasma glucose (FPG)<100 mg/dL, high-normal with FPG 100-109 mg/dL, and IFG with FPG 110-125 mg/dL. The incidence of type 2 diabetes (defined either by FPG 126 mg/dL or by receiving treatments) was measured. Results The cumulative incidence during a mean follow-up of 5.1 years were 16/3,364 (0.5%), 40/613 (6.5%), and 53/188 (28.2%) in subjects with NFG, high-normal, and IFG, respectively. Multivariate-adjusted odds ratios for the incidence were still significant both in high-normal and IFG compared to NFG. Body mass index (BMI) and alanine aminotransaminase (ALT) were associated with the incidence of type 2 diabetes independently of FPG categories (p<0.05). Conclusion The future incidence of type 2 diabetes in subjects with high-normal was significantly higher than in those with NFG in this population. BMI and ALT can improve risk stratification in high-normal subjects. © 2010 The Japanese Society of Internal Medicine. 続きを見る
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Matsumura, Masami ; Ito, Kiyoaki ; Kawamura, Rika ; Fujii, Hiroshi ; Inoue, Ryo ; Yamada, Kazunori ; Yamagishi, Masakazu ; Kawano, Mitsuhiro
出版情報: Internal Medicine.  50  pp.2357-2360,  2011-01-01.  The Japanese Society of Internal Medicine = 日本内科学会
URL: http://hdl.handle.net/2297/29568
概要: A 53-year-old woman with systemic lupus erythematosus presented with a 3-day history of fever and coughing. Diagnosis of pneumococcal bronchitis was made based on symptoms and positivity of pneumococcal urinary antigen test. On day 3, severe low back pain acutely occurred. Pneumococcal vertebral osteomyelitis and psoas abscess was diagnosed 17 days later by yield of penicillin-susceptible S. pneumoniae strain in blood cultures and drainage fluid. Although pneumococcal urinary antigen test is a useful tool for the diagnosis of pneumococcal pneumonia, we should consider the possibility of pneumococcal infections other than pneumonia or overwhelming bacteremia in immunosuppressive patients when urinary antigen test is positive © 2011 The Japanese Society of Internal Medicine. 続きを見る
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Matsumura, Masami ; Kawamura, Rika ; Inoue, Ryo ; Kawano, Mitsuhiro ; Yamagishi, Masakazu
出版情報: Modern Rheumatology.  21  pp.305-308,  2011-06-01.  Japan College of Rheumatology = 日本リウマチ学会 / Springer Verlag (Germany)
URL: http://hdl.handle.net/2297/29569
概要: 金沢大学医薬保健研究域医学系医学教育研究センター<br />Cryptococcal meningitis is a recognized complication of systemic lupus erythematosus (SLE), with high mortality rates, particularly in those treated with immunosuppressive agents. We describe a patient diagnosed simultaneously with cryptococcal meningoencephalitis and SLE and reviewed four similar cases reported in the literature. In our case, profound low CD4 lymphocyte count and low complement levels were observed. The patient was treated with prednisolone, fluconazole, and 5-flucytosine and evinced good clinical improvement. This case suggests that intrinsic immunological abnormality related to SLE predisposed to opportunistic infections. © 2010 Japan College of Rheumatology. 続きを見る
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Gamou, Tadatsugu ; Sakata, Kenji ; Tada, Hayato ; Konno, Tetsuo ; Hayashi, Kenshi ; Ino, Hidekazu ; Yamagishi, Masakazu ; Kawashiri, Masa-aki ; on behalf of the MILLION Study Group
出版情報: Circulation journal.  81  pp.1490-1495,  2017-09-25.  Japanese Circulation Society = 日本循環器学会
URL: http://hdl.handle.net/2297/48523
概要: Background:The MILLION study, a prospective randomized multicenter study, revealed that lipid and blood pressure (BP)-lo wering therapy resulted in regression of coronary plaque as determined by intravascular ultrasound (IVUS). In the present study we performed additional analysis to investigate the associated factors with regression of coronary plaque. Methods and Results:We investigated serial 3D IVUS images from 68 patients in the MILLION study. Standard IVUS parameters were assessed at both baseline and follow-up (18–24 months). Volumetric data were standardized by length as normalized volume. In patients with plaque regression (n=52), plaque volumenormalizedsignificantly decreased from 64.8 to 55.8 mm3(P<0.0001) and vessel volumenormalizedsignificantly decreased from 135.0 to 127.5 mm3(P=0.0008). There was no difference in lumen volumenormalizedfrom 70.1 to 71.8 mm3(P=0.27). There were no correlations between % changes in vessel volume and cholesterol or BP. On the other hand, negative correlations between % change in vessel volume and vessel volumenormalizedat baseline (r=−0.352, P=0.009) or plaque volumenormalizedat baseline (r=−0.336, P=0.01) were observed. Conclusions:The current data demonstrated that in patients with plaque regression treated by aggressive lipid and BP-lowering therapy, the plaque regression was derived from reverse vessel remodeling determined by vessel volume and plaque burden at baseline irrespective of decreases in lipids and BP.<br />出版者照会後に全文公開 続きを見る
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Araki, Daisuke ; Fujii, Hiroshi ; Matsumura, Masami ; Yamagishi, Masakazu ; Yachie, Akihiro ; Kawano, Mitsuhiro
出版情報: Internal Medicine.  50  pp.1843-1848,  2011-01-01.  The Japanese Society of Internal Medicine = 日本内科学会
URL: http://hdl.handle.net/2297/36515
概要: Hemophagocytic syndrome (HPS) is a severe, potentially life-threatening disorder characterized by an excessive activation of macrophages, such as may occur in the setting of lupus. A 62-year-old Japanese woman treated with etanercept for rheumatoid arthritis developed persistent fever, cytopenia, coagulopathy, and hyperferritinemia. Simultaneously, lupus-like features including pleuritis, hypocomplementemia, and positive autoantibodies were observed. She was diagnosed with HPS related to etanercept-induced lupus, and underwent immunosuppressive therapy with successful recovery. To our knowledge, this is the first case of etanercept-induced lupus accompanied by HPS. This case suggests that HPS should be considered as a complication during TNF-α inhibitor therapy. 続きを見る
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Funada, Akira ; Masuta, Eiichi ; Fujino, Noboru ; Hayashi, Kenshi ; Ino, Hidekazu ; Kita, Yoshihito ; Ikeda, Hiroko ; Fujii, Takahiko ; Nakanuma, Yasuni ; Yamagishi, Masakazu
出版情報: International Heart Journal.  51  pp.214-217,  2010-01-01.  International Heart Journal Association
URL: http://hdl.handle.net/2297/31473
概要: Hypertrophic cardiomyopathy (HCM) is associated with gene mutations that encode sarcomeric proteins. However, the relationship between genotype and histopathologic fndings is unclear. We report on two autopsy cases with advanced HCM associated with deletion of lysine 183 mutation in the cardiac troponin I gene. One case, a 74-year-old female exhibited dilated cardiomyopathy-like features. Transmural scarring was diffuse and circumferential, involving the whole left ventricle, especially the ventricular septum which was replaced with extensive fbrosis and showed marked wall thinning. The other case, a 92-year-old male revealed typical HCM fndings. Patchy scars which corresponded to replacement fbrosis were found extending from the septum to the anterior wall. These two autopsy cases indicate the clinical heterogeneity of HCM even within the same disease-causing mutation and suggest that the degree and extent of fbrosis determine differences in the clinical manifestations of HCM. This is the frst autopsy report that demonstrates identical sarcomeric gene mutations causing different clinical manifestations and histologic fndings. The fndings suggest that additional genetic or environmental factors infuence the phenotypic expressions and clinical courses of HCM caused by genetic mutation of sarcomeric proteins. 続きを見る
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Matsumura, Masami ; Suzuki, Yasunori ; Yamagishi, Masakazu ; Kawano, Mitsuhiro
出版情報: Internal Medicine.  51  pp.1283-1284,  2012-05-15.  Japanese Society of Internal Medicine = 日本内科学会
URL: http://hdl.handle.net/2297/31966
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Matsumura, Masami ; Suzuki, Yasunori ; Yamagishi, Masakazu ; Kawano, Mitsuhiro
出版情報: Internal Medicine.  51  pp.121-121,  2012-01-01.  日本内科学会 = The Japanese Society of Internal Medicine
URL: http://hdl.handle.net/2297/30111
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Yaegashi, Takanori ; Furusho, Hiroshi ; Chikata, Akio ; Usui, Soichiro ; Kaneko, Shuichi ; Yamagishi, Masakazu ; Takamura, Masayuki
出版情報: Journal of Medical Case Reports.  8  pp.158-,  2014-05-01.  BioMed Central
URL: http://hdl.handle.net/2297/39039
概要: Introduction. Right ventricular septal pacing is thought to be better than right ventricular apical pacing for shortening the QRS duration and for preserving left ventricular function. However, right ventricular septal pacing may not be effective in all cases. In this case report, we present a rare case in which right ventricular septal pacing induced thoroughly separated right and left ventricular excitation despite the presence of a relatively narrow QRS wave during atrium-only pacing. Case presentation. We report a case of 63-year-old Japanese man with cardiomyopathy with an implantable cardioverter defibrillator placement for ventricular tachycardia. Three years after implantation, he developed second-degree atrio-ventricular block. Therefore, atrio-ventricular sequential pacing was started; then his heart failure was much worsened. His electrocardiogram showed a dissociated biphasic QRS wave during right ventricular high-septal pacing, despite the presence of a non-fragmented QRS morphology during atrium-only pacing. An activation map during right ventricular high-septal pacing showed that right ventricular conduction started at the pacing site and ended at the right ventricular basal inferior site. Subsequently after a 10ms interval, left ventricular conduction started at the left ventricular posteroseptum and ended at the left ventricular lateral wall. These data indicate that during right ventricular high-septal pacing, the first component of the QRS wave supposedly reflects only right ventricular excitation and the second component only left ventricular excitation. Also due to the intracardiac electrograms, it was assumed that this phenomenon was caused by transversely limited severe transseptal conduction disturbance. Conclusion: It should be noted that even ventricular septal pacing could evoke harmful interventricular dyssynchrony due to transversely limited severe septal conduction disturbance, despite the presence of a relatively narrow QRS wave. © 2014 Yaegashi et al.; licensee BioMed Central Ltd. 続きを見る
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Karashima, Shigehiro ; Yoneda, Takashi ; Kometani, Mitsuhiro ; Ohe, Masashi ; Mori, Shunsuke ; Sawamura, Toshitaka ; Furukawa, Kenji ; Seta, Takashi ; Yamagishi, Masakazu ; Takeda, Yoshiyu
出版情報: Hypertension Research.  39  pp.133-137,  2016-03-01.  日本高血圧学会 = Japanese Society of Hypertension
URL: http://hdl.handle.net/2297/44875
概要: The mineralocorticoid receptor (MR) is expressed in the kidneys and in adipose tissue, and primary aldosteronism (PA) is associated with metabolic syndrome. This study assessed the effects of MR blockade by eplerenone (EPL) and spironolactone (SPL) on blood pressure (BP) and metabolic factors in patients with PA. Fifty-four patients with PA were treated with one of two MRAs, EPL (25-100 mg daily, n=27) or SPL (12.5-100 mg daily, n=27) for 12 months. Visceral (VAT) and subcutaneous adipose tissue were quantified using CT and FatScan imaging analysis software. Body mass index, homeostasis model assessment-insulin resistance (HOMA-IR), serum creatinine, potassium and lipids, urinary albumin excretion (UAE) and plasma aldosterone concentration (PAC) and plasma renin activity (PRA) were measured before and after treatment. EPL and SPL decreased BP and increased serum potassium levels to similar degrees. PAC and PRA did not differ between the two groups. Although treatment with the MRAs did not change HOMA-IR or serum lipids, they significantly decreased UAE and VAT (P<0.05). These results suggest that EPL and SPL are effective and safe for the treatment of PA. The long-term metabolic and renal effects of these MRAs should be further investigated. © 2016 The Japanese Society of Hypertension. All rights reserved.<br />Embargo Period 6 months 続きを見る
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Oka, Rie ; Kobayashi, Junji ; Miura, Katsuyuki ; Nagasawa, Shinya ; Moriuchi, Tadashi ; Hifumi, Senshu ; Miyamoto, Susumu ; Kawashiri, Masa-aki ; Nohara, Atsushi ; Inazu, Akihiro ; Takeda, Yoshiyu ; Mabuchi, Hiroshi ; Yagi, Kunimasa ; Yamagishi, Masakazu
出版情報: Journal of Atherosclerosis and Thrombosis.  16  pp.633-640,  2009-11-11.  Japan Atherosclerosis Society = 日本動脈硬化学会
URL: http://hdl.handle.net/2297/48533
概要: Aim: Postprandial hypertriglyceridemia is recognized as an independent risk factor for cardiovascular disease. The aim o f this study was to identify differences between fasting and postprandial TG levels, focusing on the influence of waist circumference. Methods: Subjects included 1,505 men and 798 women aged 3865 years who were not taking medications for diabetes or dyslipidemia. Fasting TG levels were measured after an overnight fast, and postprandial TG levels were measured 2 hours after a standardized rice-based lunch (total 740 kcal, 20 g fat, 30 g protein, and 110 g carbohydrates) in the afternoon on the same day. Results: Fasting and postprandial TG levels were highly correlated in both men (r=0.86, p<0.001) and women (r=0.84, p<0.001). Waist circumference was positively correlated with fasting TG (r=0.38 in men and r=0.36 in women) and postprandial TG (r=0.42 in men and r=0.45 in women), respectively. On multiple regression analyses, the association of waist circumference with postprandial TG was still significant (standardized β=0.10 in men and standardized β=0.15 in women, p<0.001) after the inclusion of HbA1c, age, high-density-lipoprotein (HDL)-cholesterol, alcohol consumption, and fasting TG in the regression model. Conclusion: Postprandial TG has a better relation with waist circumference than fasting TG.<br />出版者照会後に全文公開 続きを見る
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Tsuchida, Masayuki ; Kawashiri, Masa-aki ; Tada, Hayato ; Takata, Mutsuko ; Nohara, Atsushi ; Ino, Hidekazu ; Inazu, Akihiro ; Kobayashi, Junji ; Koizumi, Junji ; Mabuchi, Hiroshi ; Yamagishi, Masakazu
出版情報: Circulation journal.  73  pp.963-966,  2009-04-24.  Japanese Circulation Society = 日本循環器学会
URL: http://hdl.handle.net/2297/48511
概要: In 1982, a 49-year-old Japanese woman had been referred to our hospital for further investigation of her hypercholestero lemia. She was diagnosed as heterozygous familial hypercholesterolemia, because of Achilles tendon xanthoma and a family history of primary hypercholesterolemia. Three years later, she had chest pain on effort and angina pectoris was diagnosed by coronary angiography. At that time, she underwent coronary artery bypass grafting surgery with 2 saphenous vein grafts (SVG). Because more aggressive cholesterol-lowering therapy was needed for secondary prevention of coronary artery disease (CAD), weekly low-density lipoprotein (LDL) apheresis was started postoperatively, combined with drug therapy. Since 1986, her serum total cholesterol levels before and after LDL apheresis remained approximately 200 mg/dl and 90 mg/dl, respectively. Although her coronary sclerosis, including the SVG, did not progress appreciably for a period of 20 years, stenotic changes of the aortic valve developed rapidly at age 70, leading to aortic valve replacement surgery in 2005 at age 72. These findings suggest that careful attention to the progression of aortic valve stenosis is needed for extreme hypercholesterolemic patients even under optimal cholesterol-lowering therapy for the secondary prevention of CAD. (Circ J 2009; 73: 963 - 966)<br />出版者照会後に全文公開 続きを見る
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Tsuchida, Masayuki ; Kawashiri, Masa-aki ; Teramoto, Ryota ; Takata, Mutsuko ; Sakata, Kenji ; Omi, Wataru ; Okajima, Masaki ; Takamura, Masayuki ; Ino, Hidekazu ; Kita, Yoshihito ; Takegoshi, Tadayoshi ; Inaba, Hideo ; Yamagishi, Masakazu
出版情報: Circulation journal.  73  pp.1243-1247,  2009-06-25.  Japanese Circulation Society = 日本循環器学会
URL: http://hdl.handle.net/2297/48501
概要: Background: Although acute coronary syndrome (ACS) and stroke are known to increase after earthquake, few data exist reg arding the effect of earthquake on these cardiovascular events in rural areas. Methods and Results: The Noto Peninsula earthquake with a magnitude of 6.9 occurred at 9:45 a.m. on 25 March 2007. The first case of ACS occurred approximately 15 min later, whereas cerebral hemorrhage (CH) occurred 72 h after the onset of earthquake. During the 35 days after earthquake, among 49 patients who were attended by local ambulance, 5 patients with ACS (10.2%) and 8 with CH (16.3%) were documented and 4 died. The total number of both ACS and CH cases was greater than the averages for the same period of the past 3 years in this area (2.0 vs 5 and 2.3 vs 8, P<0.01). Interestingly, the most cases of ACS had occurred within 7 days after earthquake and for CH not until 35 days later. Conclusions: Even in rural areas a severe earthquake results in increased incidence of ACS and CH, which can occur at different times after the event, although the effects of other environmental factors should be further investigated. (Circ J 2009; 73: 1243-1247)<br />出版者照会後に全文公開 続きを見る
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Okada, Toshihide ; Mibayashi, Hiroshi ; Hasatani, Kenkei ; Hayashi, Yoshiaki ; Tsuji, Shigetsugu ; Kaneko, Yoshibumi ; Yoshimitsu, Masashi ; Tani, Takashi ; Zen, Yoh ; Yamagishi, Masakazu
出版情報: World Journal of Gastroenterology.  15  pp.4587-4592,  2009-09-01.  Baishideng Publishing Group
URL: http://hdl.handle.net/2297/48241
概要: We report a case of two pseudolymphomas of the liver in a 63-year-old Japanese woman with primary biliary cirrhosis. One of the lesions was found incidentally during a medical examination, presenting as a 10 mm hypodense nodule that revealed hyperdensity in the early phase and hypodensity in the late phase in computed tomography (CT) after injection of contrast medium. Retrospectively, the 10 mm nodule had first been discovered as a 4 mm nodule during CT 4 years previously. Superparamagnetic iron oxide-enhanced MRI revealed another 4 mm hyperintense nodule in segment 6 in addition to the 10 mm hyperintense nodule in segment 7. CT during arterial portography revealed two hypointense nodules. Findings with other imaging modalities such as ultrasonography, magnetic resonance imaging, and hepatic angiography were consistent with hepatocellular carcinoma. A right posterior segmentectomy was performed, and the lesions were microscopically diagnosed as pseudolymphoma. To the best of our knowledge, only 31 other cases of this disease have ever been reported, with a highly asymmetrical male:female ratio of 1:9.7. Although we could find only one case of transformation of hepatic pseudolymphoma into lymphoma in the liver, the exact nature of development from benign pseudolymphoma to malignant lymphoma is still not fully understood and cases of hepatic lymphoma need to be followed carefully. © 2009 The WJG Press and Baishideng. All rights reserved. 続きを見る
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Demura, Masashi ; Yoneda, Takashi ; Karashima, Shigehiro ; Higashikata, Toshinori ; Mabuchi, Hiroshi ; Kawano, Mitsuhiro ; Yamagishi, Masakazu ; Takeda, Yoshiyu
出版情報: Journal of Medical Case Reports.  4  pp.347-,  2010-10-29.  BioMed Central
URL: http://hdl.handle.net/2297/48399
概要: Introduction: The combination of a pituitary prolactinoma and an aldosterone-producing adrenal adenoma is extremely rare. To the best of our knowledge, double endocrine tumors in association with heart-hand syndrome have not previously been reported. Case Presentation: A 21-year-old Japanese woman presented with galactorrhea and decreased visual acuity.A large pituitary adenoma with an increased level of serum prolactin was apparent by computed tomography. She additionally showed mild hypertension (136/90mmHg)accompanied by hypokalemia. The plasma aldosterone concentration was increased. Computed tomography showed a mass in the right adrenal gland. No other tumors were found despite extensive imaging studies. Physical and radiographic examinations showed skeletal malformations of the hands and feet, including hypoplasia of the first digit in all four limbs. An atrial septal defect was demonstrated by echocardiography. Similar digital and cardiac abnormalities were detected in our patient's father, and a clinical diagnosis ofhereditary heart-hand syndrome was made. Conclusion: No established heart-hand syndrome was wholly compatible with the family's phenotype. Her father had no obvious endocrine tumors, implying that the parent of transmission determined variable phenotypic expression of the disease: heart-hand syndrome with multiple endocrine tumors from the paternal transmission or no endocrine tumor from the maternal transmission. This suggests that the gene or genes responsible for the disease may be under tissue-specific imprinting control. 続きを見る
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Oe, Kotaro ; Araki, Tsutomu ; Konno, Tetsuo ; Ino, Hidekazu ; Yamagishi, Masakazu
出版情報: Internal Medicine.  49  pp.799-800,  2010-04-15.  Japanese Society of Internal Medicine = 日本内科学会
URL: http://hdl.handle.net/2297/48444
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Sugihara, Masako ; Oka, Rie ; Sakurai, Masaru ; Nakamura, Koshi ; Moriuchi, Tadashi ; Miyamoto, Susumu ; Takeda, Yoshiyu ; Yagi, Kunimasa ; Yamagishi, Masakazu
出版情報: Internal Medicine.  50  pp.679-685,  2011-04-01.  Japanese Society of Internal Medicine = 日本内科学会
URL: http://hdl.handle.net/2297/48446
概要: Objective Early studies have indicated that body fat shifts from peripheral stores to central stores with aging. The objective of this study was to investigate age-related changes in abdominal fat distribution of Japanese men and women of the general population over a wide range of body mass indices (BMI). Methods A total of 2,220 non-diabetic, apparently healthy Japanese adults (1,240 men and 980 women; age range 40-69 years) were included in the study sample. All subjects underwent a CT scan at the level of the umbilicus, and the areas of visceral adipose tissue (AT) and subcutaneous AT were quantified. Results When the subjects were stratified by BMI into 18.5-23.0 kg/m2, 23.0-27.5 kg/m2, and 27.5 kg/m2 or higher, visceral AT was positively correlated with age in all of the BMI strata in both genders (p<0.01). In contrast, subcutaneous AT was negatively correlated with age in men with BMIs in excess of 23.0 kg/m2 (p< 0.01) and not at all in women. The mean levels of subcutaneous AT were over 2-fold greater than visceral AT in women aged 60-69 years in any BMI stratum. Conclusion In Japanese men and women, visceral AT was increased with age in all BMI strata in both genders, whereas subcutaneous AT was decreased with age in men with BMIs in excess of 23.0 kg/m2 and not at all in women. Even with these age-related changes in abdominal fat distribution, women retained the subcutaneous-dominant type of fat distribution up to 70 years. © 2011 The Japanese Society of Internal Medicine. 続きを見る
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Narumi, Kenta ; Kondoh, Atsushi ; Udagawa, Takeshi ; Hara, Hidehiko ; Goto, Naoko ; Ikarashi, Yoshinori ; Ohnami, Shumpei ; Okada, Toshihide ; Yamagishi, Masakazu ; Yoshida, Teruhiko ; Aoki, Kazunori
出版情報: Cancer Science.  101  pp.1686-1694,  2010-07-01.  Japanese Cancer Association = 日本癌学会
URL: http://hdl.handle.net/2297/48253
概要: Type I interferon (IFN) protein is a cytokine with pleiotropic biological functions that include induction of apoptosis, inhibition of angiogenesis, and immunomodulation. We have demonstrated that intratumoral injection of an IFN-α-expressing adenovirus effectively induces cell death of cancer cells and elicits a systemic tumor-specific immunity in several animal models. On the other hand, reports demonstrated that an elevation of IFN in the serum following an intramuscular delivery of a vector is able to activate antitumor immunity. In this study, we compared the intratumoral and systemic routes of IFN gene transfer with regard to the effect and safety of the treatment. Intratumoral injection of an IFN-α adenovirus effectively activated tumor-responsive lymphocytes and caused tumor suppression not only in the gene-transduced tumors but also in distant tumors, which was more effective than the intravenous administration of the same vector. The expression of co-stimulatory molecules on CD11c+ cells isolated from regional lymph nodes was enhanced by IFN gene transfer into the tumors. Systemic toxicity such as an elevation of hepatic enzymes was much lower in mice treated by intratumoral gene transfer than in those treated by systemic gene transfer. Our data suggest that the intratumoral route of the IFN vector is superior to intravenous administration, due to the effective induction of antitumor immunity and the lower toxicity. © 2010 Japanese Cancer Association. 続きを見る
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Sakamoto, Aiji ; Kawashiri, Masaaki ; Ishibashi-Ueda, Hatsue ; Sugamoto, Yuka ; Yoshimuta, Tsuyoshi ; Higashikata, Takeo ; Ogino, Hitoshi ; Tada, Hayato ; Konno, Tetsuo ; Hayashi, Kenshi ; Yamagishi, Masakazu
出版情報: International Journal of Vascular Medicine.  2012  pp.127149-,  2012-09-15.  Hindawi Publishing Corporation
URL: http://hdl.handle.net/2297/48407
概要: We examined the expression of ephrin-B1 and its cognate receptor EphB2, key regulators of angiogenesis and embryogenesis, in human abdominal aortic aneurysm (AAA) and analyzed their functional roles in cell migration. From 10 patients (9 males and 1 female; age, 68.5 ± 2.4) who underwent vascular surgery for AAA, we obtained AAA and adjacent control tissues. Using real-time RT-PCR, we analyzed expression of ephrin-B1 and EphB2. We also histologically localized these molecules in AAA tissues. Finally, effects of ephrin-B1 and EphB2 on inflammatory cell chemotaxis were examined by cell migration assay. Expression levels of ephrin-B1 (0.410 ± 0.046 versus 1.198 ± 0.252, P = 0.027) and EphB2 (0.764 ± 0.212 versus 1.272 ± 0.137, P = 0.594) were higher in AAA than normal control. Both ephrin-B1 and EphB2 were expressed in macrophages, T lymphocytes, and endothelial cells within AAA. In chemotaxis assay, ephrin-B1 and EphB2 inhibited mononuclear-cell chemotaxis induced by stromal derived factor-1 down to 54.7 ± 12.7 (P = 0.01) and 50.7 ± 13.1 (P = 0.01), respectively. These data suggest that ephrin-B1 and EphB2 might be functional in human adult inflammatory cells and involved in the pathogenesis of AAA, although specific roles of these molecules should further be sought. © 2012 Aiji Sakamoto et al. 続きを見る
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Shimojima, Masaya ; Kawashiri, Masa-aki ; Nitta, Yutaka ; Yoshida, Taiji ; Katsuda, Shouji ; Kaku, Bunji ; Taguchi, Tomio ; Hasegawa, Akira ; Konno, Tetsuo ; Hayashi, Kenshi ; Yamagishi, Masakazu
出版情報: American Journal of Cardiovascular Research.  2  pp.84-88,  2012-05-15.  e-Century Publishing
URL: http://hdl.handle.net/2297/48420
概要: Although intensive lipid lowering by statins can enhance plaque stability, few data exist regarding how early statins change plaque composition and morphology in clinical setting. Therefore, to examine early changes in plaque composition and morphology by intensive lipid lowering with statins, we evaluate coronary plaques from acute coronary syndrome (ACS) before and 3 weeks after lipid lowering by coronary CT angiography. We enrolled 110 patients with suspected ACS and underwent coronary CT. We defined plaque as unstable when CT number of plaque< 50HU and remodeling index (lesion diameter/reference diameter) >1.10. Rosuvastatin (5 mg/day) or atorvastatin (20 mg/day) were introduced to reduce low density lipoprotein cholesterol (LDL-C). Then, CT was again performed by the same condition 3 weeks after lipid lowering therapy. Total 10 patients (8 men, mean age 72.0 years), in whom informed consent regarding serial CT examination was obtained, were analyzed. Among them, 4 patients who denied to have intensive lipid lowering were served as controls. In remaining 6 patients, LDL-C reduced from 129.5±26.9 mg/dl to 68.5±11.1 mg/dl after statin treatment. Under these conditions, CT number of the targeted plaque significantly increased from 16.0±15.9 to 50.8±35.0 HU (p<0.05) and remodeling index decreased from 1.22±0.11 to 1.11±0.06 (p<0.05), although these values substantially unchanged in controls. These results demonstrate that MDCT-determined plaque composition as well as volume could be changed within 3 weeks after intensive lipid lowering. This may explain acute effects of statins in treatment of acute coronary syndrome. 続きを見る
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Daida, Hiroyuki ; Takayama, Tadateru ; Hiro, Takafumi ; Yamagishi, Masakazu ; Hirayama, Atsushi ; Saito, Satoshi ; Yamaguchi, Tetsu
出版情報: Cardiovascular Diabetology.  11  pp.87-,  2012-07-25.  BioMed Central
URL: http://hdl.handle.net/2297/48353
概要: Background: The incidence of cardiac events is higher in patients with diabetes than in people without diabetes. The Coronary Atherosclerosis Study Measuring Effects of Rosuvastatin Using Intravascular Ultrasound in Japanese Subjects (COSMOS) demonstrated significant plaque regression in Japanese patients with chronic coronary disease after 76 weeks of rosuvastatin (2.5 mg once daily, up-titrated to a maximum of 20 mg/day to achieve LDL cholesterol <80 mg/dl).Methods: In this subanalysis of COSMOS, we examined the association between HbA1c and plaque regression in 40 patients with HbA1c ≥6.5% (high group) and 86 patients with HbA1c <6.5% (low group).Results: In multivariate analyses, HbA1c and plaque volume at baseline were major determinants of plaque regression. LDL cholesterol decreased by 37% and 39% in the high and low groups, respectively, while HDL cholesterol increased by 16% and 22%, respectively. The reduction in plaque volume was significantly (p = 0.04) greater in the low group (from 71.0 ± 39.9 to 64.7 ± 34.7 mm3) than in the high group (from 74.3 ± 34.2 to 71.4 ± 32.3 mm3). Vessel volume increased in the high group but not in the low group (change from baseline: +4.2% vs -0.8%, p = 0.02). Change in plaque volume was significantly correlated with baseline HbA1c.Conclusions: Despite similar improvements in lipid levels, plaque regression was less pronounced in patients with high HbA1c levels compared with those with low levels. Tight glucose control during statin therapy may enhance plaque regression in patients with stable coronary disease.Trial registration: ClinicalTrials.gov, Identifier NCT00329160. © 2012 Daida et al.; licensee BioMed Central Ltd. 続きを見る
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Tada, Hayato ; Kobayashi, Junji ; Kawashiri, Masa-aki ; Miyashita, Kazuya ; Nohara, Atsushi ; Inazu, Akihiro ; Nakajima, Katsuyuki ; Mabuchi, Hiroshi ; Yamagishi, Masakazu
出版情報: Lipids in Health and Disease.  15  pp.66-,  2016-04-02.  BioMed Central
URL: http://hdl.handle.net/2297/48355
概要: Background: This study was performed to compare the effects of three different lipid-lowering therapies (statins, ezetimibe, and colestimide) on lipoprotein lipase and endothelial lipase masses in pre-heparin plasma (pre-heparin LPL and EL mass, respectively) from patients with familial hypercholesterolemia (FH). FH is usually treated by coadministration of these three drugs. Methods: The pre-heparin LPL and EL masses were measured in fresh frozen plasma drawn and stored at various time points during coadministration of the three drugs from patients with heterozygous FH harboring a single mutation in the LDL receptor (n = 16, mean age 63 years). The patients were randomly divided into two groups based on the timing when ezetimibe was added. Results: Plasma LPL mass concentration was significantly reduced by rosuvastatin at 20 mg/day (median = 87.4 [IQR: 71.4-124.7] to 67.5 [IQR: 62.1-114.3] ng/ml, P < 0.05). In contrast, ezetimibe at 10 mg/day as well as colestimide at 3.62 g/day did not alter its level substantially (median = 67.5 [IQR: 62.1-114.3] to 70.2 [IQR: 58.3-106.2], and to 74.9 [IQR: 55.6-101.3] ng/ml, respectively) in the group starting with rosuvastatin followed by the addition of ezetimibe and colestimide. On the other hand, the magnitude in LPL mass reduction was lower in the group starting with ezetimibe at 10 mg/day before reaching the maximum dose of 20 mg/day of rosuvastatin. Plasma EL mass concentration was significantly increased by rosuvastatin at 20 mg/day (median = 278.8 [IQR: 186.7-288.7] to 297.0 [IQR: 266.2-300.2] ng/ml, P < 0.05), whereas other drugs did not significantly alter its level. Conclusion: The effects on changes of LPL and EL mass differed depending on the lipid-lowering therapy, which may impact the prevention of atherosclerosis differently. © 2016 Tada et al. 続きを見る
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Mori, Kiyoo ; Yamada, Kazunori ; Konno, Tetsuo ; Inoue, Dai ; Uno, Yoshihide ; Watanabe, Michio ; Okuda, Miho ; Oe, Kotaro ; Kawano, Mitsuhiro ; Yamagishi, Masakazu
出版情報: Internal Medicine.  54  pp.1231-1235,  2015-01-01.  Japanese Society of Internal Medicine = 日本内科学会
URL: http://hdl.handle.net/2297/48449
概要: We herein report the case of a 65-year-old man with pericardial involvement associated with autoimmune pancreatitis. Chest CT imaging showed pericardial thickening. The patient responded to corticosteroid therapy, and the pericardial thickening resolved. Multiple organs are involved in immunoglobulin G4 (IgG4)- related disease (IgG4-RD); however, only a few cases of IgG4-related chronic constrictive pericarditis have been reported. To our knowledge, this is the first reported case of IgG4-RD with pericardial involvement at an early stage. This case indicates that recognizing pericardial complications in autoimmune pancreatitis is important and that CT imaging may be useful for obtaining the diagnosis and providing follow-up of pericardial lesions in cases of IgG4-RD. © 2015 The Japanese Society of Internal Medicine. 続きを見る
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Yamaaki, Naoto ; Yagi, Kunimasa ; Kobayashi, Junji ; Nohara, Atsushi ; Ito, Naoko ; Asano, Akimichi ; Nakano, Kaoru ; Liu, Jianhui ; Okamoto, Takuya ; Mori, Yukiko ; Ohbatake, Azusa ; Okazaki, Satoko ; Takeda, Yoshiyu ; Yamagishi, Masakazu
出版情報: Journal of Diabetes Research.  2013  pp.143515-,  2013-07-01.  Hindawi Publishing Corporation
URL: http://hdl.handle.net/2297/48398
概要: Background. Although retinol-binding protein 4 (RBP4) associates with insulin resistance and remnant-like particles triglyceride (RLP-TG) elevated in the insulin resistant state, few data exist regarding the relationship between RBP4 and RLP-TG. Subjects and Methods. The study included 92 Japanese type 2 diabetic mellitus (T2DM) male patients (age 60.5 ± 13.6 years, body mass index (BMI) 24.7 ± 4.1 kg/m2, waist circumference (WC) 88.4 ± 10.7 cm, and HbA1c (NGSP) 7.2 ± 1.9 %). Patients on medications affecting insulin sensitivity, including fibrates, biguanides, and thiazolidinedione, were excluded. Visceral fat area (VFA) and subcutaneous fat area (SFA) were measured by computed tomography. Results. RBP4 levels showed a significant positive correlation with RLP-TG (r = 0.2544 and P = 0.0056), TG (r = 0.1852 and P = 0.041), RLP-TG/TG (r = 0.23765 and P = 0.0241), and age (r = - 0.2082 and P = 0.0219), although there was no significant correlation with VFA, SFA, adiponectin levels, or homeostasis model of assessment insulin resistance (HOMA-R). Multiple regression analysis revealed that RBP4 was an independent determinant of RLP-TG (P = 0.0193) but was not a determinant of TG. Conclusions. RBP4 correlates positively with serum RLP-TG independent of fat accumulation in T2DM. RBP4 may regulate remnant metabolism independent of glycemic control in T2DM. © 2013 Naoto Yamaaki et al. 続きを見る
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Fukushima, Yoshifumi ; Daida, Hiroyuki ; Morimoto, Takeshi ; Kasai, Takatoshi ; Miyauchi, Katsumi ; Yamagishi, Sho-ichi ; Takeuchi, Masayoshi ; Hiro, Takafumi ; Kimura, Takeshi ; Nakagawa, Yoshihisa ; Yamagishi, Masakazu ; Ozaki, Yukio ; Matsuzaki, Masunori
出版情報: Cardiovascular Diabetology.  12  pp.5-,  2013-07-01.  BioMed Central
URL: http://hdl.handle.net/2297/48242
概要: Background: The Japan Assessment of Pitavastatin and Atorvastatin in Acute Coronary Syndrome (JAPAN-ACS) trial demonstrated that early aggressive statin therapy in patients with ACS significantly reduces plaque volume (PV). Advanced glycation end products (AGEs) and the receptors of AGEs (RAGE) may lead to angiopathy in diabetes mellitus (DM) and may affect on the development of coronary PV. The present sub-study of JAPAN-ACS investigates the association between AGEs and RAGE, and PV.Methods: Intravascular ultrasound (IVUS)-guided percutaneous coronary intervention (PCI) was undertaken, followed by the initiation of statin treatment (either 4 mg/day of pitavastatin or 20 mg/day of atorvastatin), in patients with ACS. In the 208 JAPAN-ACS subjects, PV using IVUS in non-culprit segment > 5 mm proximal or distal to the culprit lesion and, serum levels of AGEs and soluble RAGE (sRAGE) were measured at baseline and 8-12 months after PCI.Results: At baseline, no differences in the levels of either AGEs or sRAGE were found between patients with DM and those without DM. The levels of AGEs decreased significantly with statin therapy from 8.6 ± 2.2 to 8.0 ± 2.1 U/ml (p < 0.001), whereas the levels of sRAGE did not change. There were no significant correlations between changes in PV and the changes in levels of AGEs as well as sRAGE. However, high baseline AGEs levels were significantly associated with plaque progression (odds ratio, 1.21; 95% confidence interval, 1.01 - 1.48; p = 0.044) even after adjusting for DM in multivariate logistic regression models.Conclusions: High baseline AGEs levels were associated with plaque progression in the JAPAN-ACS trial. This relationship was independent of DM. These findings suggest AGEs may be related to long-term glucose control and other oxidative stresses in ACS.Trial registration: NCT00242944. © 2013 Fukushima et al.; licensee BioMed Central Ltd. 続きを見る
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Onoe, Tamehito ; Konoshita, Tadashi ; Tsuneyama, Koichi ; Hamano, Ryoko ; Mizushima, Ichiro ; Kakuchi, Yasushi ; Yamada, Kazunori ; Hayashi, Kenshi ; Kuroda, Masahiro ; Kagitani, Satoshi ; Nomura, Hideki ; Yamagishi, Masakazu ; Kawano, Mitsuhiro
出版情報: American Journal of Case Reports.  14  pp.20-25,  2013-01-28.  International Scientific Information
URL: http://hdl.handle.net/2297/48240
概要: Background: Situs inversus is a rare complication of cystic kidney diseases. Only three genes, INVS (NPHP2), NPHP3 and PKD2 have been proved to be responsible for some cases, while the responsible genes in many others are still unknown. Case Reports: Here we report two male patients with situs inversus combined with cystic kidney disease without any family history of polycystic kidney disease. Their renal function was normal in childhood but culminated in end stage renal disease in middle age. No pathogenic mutations were found in mutation analysis of INVS, IFT88, PKD2, UMOD or NPHP3 in them. Conclusions: Past reported cases of situs inversus and cystic kidney diseases were divided into three groups, i.e., gestational lethal renal dysplasia group, infantile or juvenile nephronophthisis group and polycystic kidney disease group. The present patients are different from each of these groups. Moreover, the renal lesions of the present two cases are quite different from each other, with one showing mildly atrophic kidneys with small numbers of cysts and the other an enlarged polycystic kidney disease, suggesting very heterogeneous entities. 続きを見る
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Chujo, Daisuke ; Foucat, Emile ; Takita, Morihito ; Itoh, Takeshi ; Sugimoto, Koji ; Shimoda, Masayuki ; Yagi, Kunimasa ; Yamagishi, Masakazu ; Tamura, Yoshiko ; Yu, Liping ; Naziruddin, Bashoo ; Levy, Marlon F. ; Ueno, Hideki ; Matsumoto, Shinichi
出版情報: Cell Transplantation.  21  pp.2783-2795,  2012-09-01.  Cognizant Communication Corporation
URL: http://hdl.handle.net/2297/48419
概要: Islet transplantation is one of the most promising therapies for type 1 diabetes (T1D). A major issue in islet transplantation is the loss of graft function at late phase. Several studies suggested the involvement of islet-specific T-cells in such islet graft dysfunction. In this study, we investigated the breadth and type of glutamic acid decarboxylase 65 (GAD65)-specific T-cells in T1D patients after allogeneic islet transplantation. Peripheral blood mononuclear cells (PBMCs) were obtained from islet-transplanted T1D patients during insulin-independent period and cultured for 7 days with pools of GAD65 overlapping peptides in the presence of IL-2. Cytokine secretion profiles of peptide-reactive T-cells were analyzed after a short-term restimulation with the same peptides by a multiplex bead-based cytokine assay and by an intracytoplasmic cytokine detection assay. Robust GAD65-specific CD4(+) and CD8(+) T-cell responses were detected in patients who eventually developed chronic graft dysfunction. Multiple GAD65 peptides were found to induce specific T-cell responses in these patients, indicating that the repertoire of GAD65-specific T-cells was broad. Furthermore, GAD65-specific CD4(+) T-cells were composed of heterogeneous populations, which differentially expressed cytokines including IFN-γ and type 2 cytokines, but not IL-10. In contrast, patients who showed only marginal GAD65-specific T-cell responses maintained substantially longer graft survival and insulin independence. In conclusion, our study suggests that the emergence of islet-specific T-cells precedes the development of chronic graft dysfunction in islet-transplanted patients. Thus, our observations support the hypothesis that these islet-specific T-cells contribute to the development of chronic islet graft dysfunction. 続きを見る
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Ma, Wen-Jie ; Hashii, Minako ; Munesue, Toshio ; Hayashi, Kenshi ; Yagi, Kunimasa ; Yamagishi, Masakazu
出版情報: Molecular Autism.  4  pp.22-,  2013-07-01.  BioMed Central
URL: http://hdl.handle.net/2297/48354
概要: Background: The human oxytocin receptor (hOXTR) is implicated in the etiology of autism spectrum disorders (ASDs) and is a potential target for therapeutic intervention. Several studies have reported single-nucleotide polymorphisms (SNPs) of the OXTR gene associated with ASDs. These SNPs, however, reside outside the protein-coding region. Not much is known about genetic variations that cause amino acid substitutions that alter receptor functions. Methods. Variations in the OXTR gene were analyzed in 132 ASD patients at Kanazawa University Hospital in Japan and 248 unrelated healthy Japanese volunteers by re-sequencing and real-time polymerase chain reaction-based genotyping. Functional changes in variant OXTRs were assessed by radioligand binding assay and measurements of intracellular free calcium concentrations ([Ca§ssup§2+§esup§]§ssub§i§esub§) and inositol 1,4,5-trisphosphate (IP§ssub§3§esub§) levels. Results: Six subjects (4.5%) in the ASD group and two in the control group (0.8%) were identified as heterozygotes carrying the R376G variation (rs35062132; c.1126C>G); one individual from the ASD group (0.8%) and three members of the control group (1.2%) were found to be carrying R376C (c.1126C>T). The C/G genotype significantly correlated with an increased risk of ASDs (odds ratio (OR) = 5.83; 95% confidence interval (CI) = 1.16 to 29.33; P = 0.024, Fisher's exact test). Consistently, the G allele showed a correlation with an increased likelihood of ASDs (OR = 5.73; 95% CI = 1.15 to 28.61; P = 0.024, Fisher's exact test). The frequencies of the C/T genotype and the T allele in the ASD and control groups did not differ significantly. We also examined changes in agonist-induced cellular responses mediated by the variant receptors hOXTR-376G and hOXTR-376C. OXT-induced receptor internalization and recycling were faster in hOXTR-376G-expressing HEK-293 cells than in cells expressing hOXTR-376R or hOXTR-376C. In addition, the elevation in [Ca§ssup§2+§esup§]§ssub§i§esub§ and IP§ssub§3§esub§ formation decreased in the cells expressing hOXTR-376G and hOXTR-376C tagged with enhanced green fluorescent protein (EGFP), in comparison with the cells expressing the common-type hOXTR-376R tagged with EGFP. Conclusions: These results suggest that the rare genetic variation rs35062132 might contribute to the pathogenesis of ASDs, and could provide a molecular basis of individual differences in OXTR-mediated modulation of social behavior. © 2013 Ma et al.; licensee BioMed Central Ltd. 続きを見る
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Shimojima, Masaya ; Yuasa, Shinsuke ; Motoda, Chikaaki ; Yozu, Gakuto ; Nagai, Toshihiro ; Ito, Shogo ; Lachmann, Mark ; Kashimura, Shin ; Takei, Makoto ; Kusumoto, Dai ; Kunitomi, Akira ; Hayashiji, Nozomi ; Seki, Tomohisa ; Tohyama, Shugo ; Hashimoto, Hisayuki ; Kodaira, Masaki ; Egashira, Toru ; Hayashi, Kenshi ; Nakanishi, Chiaki ; Sakata, Kenji ; Yamagishi, Masakazu ; Fukuda, Keiichi
出版情報: Scientific Reports.  7  pp.44312-,  2017-03-14.  Nature Publishing Group
URL: http://hdl.handle.net/2297/48359
概要: Alteration of the nuclear Ca2+ transient is an early event in cardiac remodeling. Regulation of the nuclear Ca2+ transient is partly independent of the cytosolic Ca2+ transient in cardiomyocytes. One nuclear membrane protein, emerin, is encoded by EMD, and an EMD mutation causes Emery-Dreifuss muscular dystrophy (EDMD). It remains unclear whether emerin is involved in nuclear Ca2+ homeostasis. The aim of this study is to elucidate the role of emerin in rat cardiomyocytes by means of hypertrophic stimuli and in EDMD induced pluripotent stem (iPS) cell-derived cardiomyocytes in terms of nuclear structure and the Ca2+ transient. The cardiac hypertrophic stimuli increased the nuclear area, decreased nuclear invagination, and increased the half-decay time of the nuclear Ca2+ transient in cardiomyocytes. Emd knockdown cardiomyocytes showed similar properties after hypertrophic stimuli. The EDMD-iPS cell-derived cardiomyocytes showed increased nuclear area, decreased nuclear invagination, and increased half-decay time of the nuclear Ca2+ transient. An autopsied heart from a patient with EDMD also showed increased nuclear area and decreased nuclear invagination. These data suggest that Emerin plays a crucial role in nuclear structure and in the nuclear Ca2+ transient. Thus, emerin and the nuclear Ca2+ transient are possible therapeutic targets in heart failure and EDMD. © The Author(s) 2017. 続きを見る
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Oe, Kotaro ; Araki, Tsutomu ; Hayashi, Kenshi ; Yamagishi, Masakazu
出版情報: Internal Medicine.  56  pp.381-382,  2017-02-01.  Japanese Society of Internal Medicine = 日本内科学会
URL: http://hdl.handle.net/2297/48443
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Kojima, Sunao ; Matsui, Kunihiko ; Sakamoto, Tomohiro ; Ishihara, Masaharu ; Kimura, Kazuo ; Miyazaki, Shunichi ; Yamagishi, Masakazu ; Tei, Chuwa ; Hiraoka, Hisatoyo ; Sonoda, Masahiro ; Tsuchihashi, Kazufumi ; Shimoyama, Nobuo ; Honda, Takashi ; Ogata, Yasuhiro ; Ogawa, Hisao ; The Japanese Acute Coronary Syndrome Study (JACSS) Investigators
出版情報: Circulation journal.  71  pp.301-307,  2007-02-25.  Japanese Circulation Society = 日本循環器学会
URL: http://hdl.handle.net/2297/48517
概要: Background There is conflicting information about whether nitrate treatment aggravates long-term prognosis, so the prese nt retrospective study was designed to determine the effects of long-term nitrate therapy on major adverse events after acute myocardial infarction (AMI) in the coronary interventional era. Methods and Results Using the Japanese Acute Coronary Syndrome Study database, 1,236 consecutive patients who were hospitalized within 48 h of onset of symptoms of AMI from January to December 2003 were evaluated. All-cause mortality, cardiac events and cardiovascular events were lower in patients treated with nitrates than in the untreated controls. However, these crude comparisons included several confounding factors on nitrate prescription. To minimize the effect of selection bias on outcomes, the technique of propensity score matching for clinical characteristics was used and distortion of effective nitrate treatment was excluded as much as possible. The results of propensity score matching showed that nitrate therapy had no impact on all-cause mortality, cardiac events and cardiovascular events at 30, 60 or 90 days, 6 months, 1 year, and 2 years follow-up. Conclusions Long-term nitrate therapy after AMI neither improves nor aggravates prognosis. Prospective randomized clinical trials are warranted to determine the effects of long-term nitrate therapy for secondary prevention of AMI. (Circ J 2007; 71: 301 - 307)<br />出版者照会後に全文公開 続きを見る
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Naito, Ryo ; Miyauchi, Katsumi ; Daida, Hiroyuki ; Morimoto, Takeshi ; Hiro, Takafumi ; Kimura, Takeshi ; Nakagawa, Yoshihisa ; Yamagishi, Masakazu ; Ozaki, Yukio ; Matsuzaki, Masunori ; for the aJAPAN-ACS Investigators
出版情報: Journal of Atherosclerosis and Thrombosis.  23  pp.922-931,  2016-08-01.  Japan Atherosclerosis Society = 日本動脈硬化学会
URL: http://hdl.handle.net/2297/48529
概要: Aim: Diabetic patients with coronary artery disease have a high incidence of cardiovascular events, which was associated with increased coronary plaque volume. Low-density lipoprotein cholesterol (LDL-C) and blood pressure (BP) play pivotal roles in the progression of coronary plaque. Several trials have shown that intervention for a single risk factor reduced the development of coronary plaque progression. However, it remained uncertain whether total risk management for LDL-C, BP, and glycosylated Hb (HbA1c) has a beneficial effect on coronary plaque volume in diabetic patients. Methods: This study was a sub-study of the JAPAN-ACS that was a prospective, randomized, open-label trial that evaluated the impact of intensive lipid-lowering therapy on coronary plaque volume in patients with acute coronary syndrome (ACS). Among a total of 252 patients, 73 diabetic patients were analyzed. We examined the impact of total risk management (LDL-C <80 mg/dL, systolic BP <130 mmHg, and HbA1c <6.5%) on changes in coronary plaque volume. The patients were divided into four groups according to the number of risk factors that achieved the target value. Results: Baseline characteristics were similar among the groups. The degree of coronary plaque regression was greater in patients who achieved total risk management. The number of risk factors that achieved the target level was associated with the extent of the coronary plaque volume reduction in a dose-dependent manner. Conclusion: Total risk management that focused on LDL-C, BP, and HbA1c had a beneficial impact on the coronary plaque regression in diabetic patients with ACS.<br />出版者照会後に全文公開 続きを見る
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Arai, Hidenori ; Hiro, Takafumi ; Kimura, Takeshi ; Morimoto, Takeshi ; Miyauchi, Katsumi ; Nakagawa, Yoshihisa ; Yamagishi, Masakazu ; Ozaki, Yukio ; Kimura, Kazuo ; Saito, Satoshi ; Yamaguchi, Tetsu ; Daida, Hiroyuki ; Matsuzaki, Masunori
出版情報: Journal of Atherosclerosis and Thrombosis.  17  pp.1096-1107,  2010-10-27.  Japan Atherosclerosis Society = 日本動脈硬化学会
URL: http://hdl.handle.net/2297/48534
概要: Aim: We have shown that aggressive lipid lowering by pitavastatin and atorvastatin results in marked regression of ather osclerotic coronary lesions after acute coronary syndrome (ACS). The purpose of this study was to address the association of lipid levels after statin therapy with regression of atherosclerotic coronary lesions and major cardiovascular events in patients after ACS. Methods: JAPAN-ACS is a prospective, randomized open-label study performed at 33 centers in Japan. Patients with ACS undergoing intravascular ultrasound (IVUS)-guided percutaneous coronary intervention (PCI) were randomly assigned to receive either 4 mg/day pitavastatin or 20 mg/day atorvastatin within 72 hours after PCI. IVUS image was obtained in 251 patients, including 73 diabetic patients. Lipid profiles at the end of the study were divided into quartiles and the association with the percent change in non-culprit coronary plaque volume (PV) was assessed in total and diabetic patients. We also studied whether baseline and follow-up levels of HDL-cholesterol are associated with restenosis after PCI. Results: Decreasing LDL-cholesterol, non-HDL-cholesterol, LDL-C/HDL-C ratio, apolipoprotein B quartiles were associated with a progressively smaller plaque burden in total and diabetic patients. In diabetic patients, further reduction of these parameters was associated with a significantly greater reduction in PV. We also found that patients with lower HDL-cholesterol had a significantly higher incidence of target lesion revascularization. Conclusions: Early intensive statin therapy in patients after ACS results in remarkable regression of coronary PV. Diabetic patients can have a benefit with more intensive therapy to achieve a lower target level in Japanese.<br />出版者照会後に全文公開 続きを見る
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Heart Care Network Groups. ; Yamagishi, Masakazu
出版情報: Journal of Atherosclerosis and Thrombosis.  16  pp.799-806,  2010-01-13.  Japan Atherosclerosis Society = 日本動脈硬化学会
URL: http://hdl.handle.net/2297/48537
概要: Aims: In Japan, it is believed that guidelines for lifestyle-related disease are used in routine clinical practice, howe ver, there are few reports on the actual rate of healthcare conducted in accordance with these guidelines by general practitioners and on their usefulness in preventing cardiovascular events. Therefore, the Heart Care Network (HCN) groups were organized mainly by general practitioners treating lifestyle diseases in 62 areas of Japan. Methods: The HCN has collected data on lifestyle diseases in high-risk patients in routine practices and investigated management conditions, guideline target achievement rates and medication. Additionally, the incidence of cardiovascular events was assessed. Results: We analyzed 14,064 cases. The lipid profile, blood pressure, glycemic control were significantly improved over the 3 years. The incidence of cardiovascular events were significantly reduced by the achievement of target LDL cholesterol, systolic blood pressure and hemoglobin A1c and even after adjustment for age, gender, history of myocardial infarction, the reduction of these lifestylerelated parameters remains significant. Conclusion: These results revealed the current trends in the healthcare activities of general practitioners, the management conditions for lifestyle diseases in CHD high-risk patients and their effects on reducing cardiovascular events.<br />出版者照会後に全文公開 続きを見る
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Katsuda, Yuko ; Asano, Akimichi ; Murase, Yuko ; Chujo, Daisuke ; Yagi, Kunimasa ; Kobayashi, Junji ; Mabuchi, Hiroshi ; Yamagishi, Masakazu
出版情報: Journal of Atherosclerosis and Thrombosis.  14  pp.19-26,  2007-03-02.  Japan Atherosclerosis Society = 日本動脈硬化学会
URL: http://hdl.handle.net/2297/48535
概要: Aim: The aim of this study was to investigate the effect of SNP45 of the adiponectin gene on body fat distribution and c arotid atherosclerosis in Japanese obese subjects. Methods: A total of 64 obese subjects were investigated. Genotypes of SNP45 were assayed by polymerase chain reaction-restriction fragment length polymorphism. Visceral fat area (VFA) and subcutaneous fat area (SFA) were measured using computed tomography. The progression of atherosclerosis was evaluated by plaque score (PS) of carotid artery using B-mode ultrasonography. Results: Men carrying the G allele of SNP45 showed higher VFA (172.8±50.8 vs. 147.1±58.7, p=0.005), lower SFA (209.9±101.8 vs. 273.4±142.2, p=0.007), higher VFA/SFA (V/S) ratio (1.00±0.46 vs. 0.60±0.26, p <0.001) and higher PS (9.5±3.7 vs. 6.8±4.2, p=0.012) than those with TT genotype. Multivariate analysis showed that SNP45 was an independent determinant of V/S ratio and PS in men. In subgroup analysis, PS tended to be associated with V/S ratio only in the carrier of 45G allele. Conclusion: These results suggest that the G allele could be a risk factor of metabolic syndrome and the development of atherosclerosis in Japanese obese subjects.<br />出版者照会後に全文公開 続きを見る
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Tada, Hayato ; Kawashiri, Masa-aki ; Yoshida, Taiji ; Teramoto, Ryota ; Nohara, Atsushi ; Konno, Tetsuo ; Inazu, Akihiro ; Mabuchi, Hiroshi ; Yamagishi, Masakazu ; Hayashi, Kenshi
出版情報: Circulation journal.  80  pp.512-518,  2016-01-25.  Japanese Circulation Society = 日本循環器学会
URL: http://hdl.handle.net/2297/48509
概要: Background:It has been shown that serum lipoprotein(a) [Lp(a)] is elevated in familial hypercholesterolemia (FH) with mu tation(s) of the LDL receptor (LDLR) gene. However, few data exist regarding Lp(a) levels in FH with gain-of-function mutations of the PCSK9 gene.Methods and Results:We evaluated 42 mutation-determined heterozygous FH patients with aPCSK9gain-of-function mutation (FH-PCSK9, mean age 52, mean LDL-C 235 mg/dl), 198 mutation-determined heterozygous FH patients with aLDLRmutation (FH-LDLR, mean age 44, mean LDL-C 217 mg/dl), and 4,015 controls (CONTROL, mean age 56, mean LDL-C 109 mg/dl). We assessed their Lp(a), total cholesterol, triglycerides, HDL-C, LDL-C, use of statins, presence of hypertension, diabetes, chronic kidney disease, smoking, body mass index (BMI) and coronary artery disease (CAD). Multiple regression analysis showed that HDL-C, use of statins, presence of hypertension, smoking, BMI, and Lp(a) were independently associated with the presence of CAD. Under these conditions, the serum levels of Lp(a) in patients with FH were significantly higher than those of the CONTROL group regardless of their causative genes, among the groups propensity score-matched (median Lp(a) 12.6 mg/dl [IQR:9.4–33.9], 21.1 mg/dl [IQR:11.7–34.9], and 5.0 mg/dl [IQR:2.7–8.1] in the FH-LDLR, FH-PCSK9, and CONTROL groups, respectively, P=0.002 for FH-LDLR vs. CONTROL, P=0.002 for FH-PCSK9 vs. CONTROL).Conclusions:These data demonstrate that serum Lp(a) is elevated in patients with FH caused by PCSK9 gain-of-function mutations to the same level as that in FH caused by LDLR mutations. (Circ J 2016; 80: 512–518)<br />出版者照会後に全文公開 続きを見る
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Kosuge, Masami ; Kimura, Kazuo ; Kojima, Sunao ; Sakamoto, Tomohiro ; Ishihara, Masaharu ; Asada, Yujiro ; Tei, Chuwa ; Miyazaki, Shunichi ; Sonoda, Masahiro ; Tsuchihashi, Kazufumi ; Yamagishi, Masakazu ; Shirai, Mutsunori ; Hiraoka, Hisatoyo ; Honda, Takashi ; Ogata, Yasuhiro ; Ogawa, Hisao ; The Japanese Acute Coronary Syndrome Study (JACSS) Investigators
出版情報: Circulation journal.  72  pp.521-525,  2008-03-25.  Japanese Circulation Society = 日本循環器学会
URL: http://hdl.handle.net/2297/48507
概要: Background The impact of body mass index (BMI) on outcomes after primary percutaneous coronary intervention (PCI) for ac ute myocardial infarction (AMI) remains unclear. Methods and Results A total of 3,076 patients undergoing PCI for AMI within 48 h after symptom onset were studied. Patients were divided into 4 groups according to baseline BMI: lean (<20 kg/m2), normal weight (20.0-24.9 kg/m2), overweight (25.0-29.9 kg/m2) and obese (≥30.0 kg/m2). Obese patients were younger and had a higher frequency of diabetes mellitus, hyperlipidemia, hypertension and smoking. Lean patients were older, usually women and had a lower frequency of the aforementioned risk factors. Killip class on admission, renal insufficiency, and final Thrombolysis In Myocardial Infarction (TIMI) flow grade did not differ among the 4 groups. In lean, normal weight, overweight and obese patients, in-hospital mortality was 9.2%, 4.4%, 2.5% and 1.8%, respectively (p<0.01). Multivariate analysis showed that compared with normal weight patients, odds ratios for in-hospital death in lean, overweight and obese patients were 1.92, 0.79 and 0.40, respectively (p=NS). Independent predictors were age, Killip class on admission, renal insufficiency and final TIMI flow grade. Conclusion BMI itself had no impact on in-hospital mortality in patients undergoing primary PCI for AMI. The phenomenon `obesity paradox' may be explained by the fact that obese patients were younger at presentation. (Circ J 2008; 72: 521 - 525)<br />出版者照会後に全文公開 続きを見る
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Miyagi, Kyoko ; Kiyonaka, Shigeki ; Yamada, Kazunori ; Miki, Takafumi ; Mori, Emiko ; Kato, Kenta ; Numata, Tomohiro ; Sawaguchi, Yuichi ; Numaga, Takuro ; Kimura, Toru ; Kanai, Yoshikatsu ; Kawano, Mitsuhiro ; Wakamori, Minoru ; Nomura, Hideki ; Koni, Ichiro ; Yamagishi, Masakazu ; Mori, Yasuo
出版情報: Journal of Biological Chemistry.  284  pp.34400-34412,  2009-12-01.  American Society for Biochemistry and Molecular Biology
URL: http://hdl.handle.net/2297/48418
概要: Mutations in PKD2 gene result in autosomal dominant polycystic kidney disease (ADPKD). PKD2 encodes polycystin-2 (TRPP2), which is a homologue of transient receptor potential (TRP) cation channel proteins. Here we identify a novel PKD2 mutation that generates a C-terminal tail-truncated TRPP2 mutant 697fsX with a frameshift resulting in an aberrant 17-amino acid addition after glutamic acid residue 697 from a family showing mild ADPKD symptoms. When recombinantly expressed in HEK293 cells, wild-type (WT) TRPP2 localized at the endoplasmic reticulum (ER) membrane significantly enhanced Ca2+ release from the ER upon muscarinic acetylcholine receptor (mAChR) stimulation. In contrast, 697fsX, which showed a predominant plasma membrane localization characteristic of TRPP2 mutants with C terminus deletion, prominently increased mAChR-activated influx in cells expressing TRPC3 or TRPC7. Coimmunoprecipitation, pulldown assay, and cross-linking experiments revealed a physical association between 697fsX and TRPC3 or TRPC7. 697fsX but not WT TRPP2 elicited a depolarizing shift of reversal potentials and an enhancement of single-channel conductance indicative of altered ion-permeating pore properties of mAChR-activated currents. Importantly, in kidney epithelial LLC-PK1 cells the recombinant 679fsX construct was codistributed with native TRPC3 proteins at the apical membrane area, but the WT construct was distributed in the basolateral membrane and adjacent intracellular areas. Our results suggest that heteromeric cation channels comprised of the TRPP2 mutant and the TRPC3 or TRPC7 protein induce enhanced receptor-activated Ca2+ influx that may lead to dysregulated cell growth in ADPKD. © 2009 by The American Society for Biochemistry and Molecular Biology, Inc.<br />Publisher's version/PDF may be used after 12 months embargo 続きを見る
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Kawashiri, Masa-aki ; Tada, Hayato ; Yamagishi, Masakazu
出版情報: Journal of Atherosclerosis and Thrombosis.  23  pp.554-556,  2016-05-02.  Japan Atherosclerosis Society = 日本動脈硬化学会
URL: http://hdl.handle.net/2297/48530
概要: 出版者照会後に全文公開
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Oe, Kotaro ; Mori, Kiyoo ; Konno, Tetsuo ; Yoneda, Takashi ; Ueyama, Katsushi ; Yamagishi, Masakazu
出版情報: Circulation journal.  71  pp.1485-1487,  2007-08-25.  Japanese Circulation Society = 日本循環器学会
URL: http://hdl.handle.net/2297/48499
概要: A 62-year-old woman was admitted to hospital because of nausea. A grade 5/6 continuous murmur was audible near the left sternal border at the second intercostal space. Chest X-ray showed cardiomegaly and bilateral pleural effusion. She was diagnosed as heart failure and a diuretic was prescribed. After remission of the heart failure, echocardiography showed shunt flow from the right coronary cusp to the right ventricle. Aortography revealed that an aneurysm of the right coronary sinus of Valsalva had ruptured into the right ventricle. Coronary angiography revealed a single coronary artery. Chest computed tomography revealed persistent left superior vena cava. Surgical repair was carried out and the patient made an uneventful recovery. In addition to these cardiovascular abnormalities, she had Wildervanck syndrome (Klippel-Feil syndrome, Duane syndrome and sensorineural hearing disturbance), blepharoptosis and short stature. This rare combination has not been reported previously. (Circ J 2007; 71: 1485 - 1487)<br />出版者照会後に全文公開 続きを見る
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Matsui, Kunihiko ; Kojima, Sunao ; Sakamoto, Tomohiro ; Ishihara, Masaharu ; Kimura, Kazuo ; Miyazaki, Shunichi ; Yamagishi, Masakazu ; Tei, Chuwa ; Hiraoka, Hisatoyo ; Sonoda, Masahiro ; Tsuchihashi, Kazufumi ; Ooie, Tatsuhiko ; Honda, Takashi ; Ogata, Yasuhiro ; Ogawa, Hisao ; The Japanese Acute Coronary Syndrome Study (JACSS) Investigators
出版情報: Circulation journal.  71  pp.1841-1844,  2007-11-25.  Japanese Circulation Society = 日本循環器学会
URL: http://hdl.handle.net/2297/48510
概要: Background Studies from North America indicate that patients admitted during the weekend with acute myocardial infarctio n (AMI) have a worse outcome than weekday-admitted patients, probably reflecting a lower rate of invasive procedures. However, it is unclear whether the same is true in Japan, which has a different healthcare system. Methods and Results Using the Japanese Acute Coronary Syndrome Study (JACSS) database, this study included 4,805 consecutive patients who were admitted within 48 h of onset of AMI (3,526 [73.4%] patients with weekday onset [Monday through Friday] and 1,279 [26.6%] with weekend onset [Saturday and Sunday]). There were no significant differences between the 2 groups in patient background and clinical features. The proportions of patients who underwent emergency catheterization (88.4% vs 88.0%) and reperfusion therapy (81.5% vs 81.4%) were also similar. There were no differences between the 2 groups in the in-hospital, 30-day, and 1-year mortality rates. Even after various adjustments, there was no difference in the risk of death associated with weekend versus weekday onset of AMI. Conclusion There were no obvious differences in outcome for Japanese AMI patients in the weekday- or weekend-onset group, suggesting the quality of the Japanese healthcare system is similar for the entire week. (Circ J 2007; 71: 1841 - 1844)<br />出版者照会後に全文公開 続きを見る
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Kobayashi, Junji ; Murase, Yuko ; Asano, Akimichi ; Nohara, Atsushi ; Kawashiri, Masa-aki ; Inazu, Akihiro ; Yamagishi, Masakazu ; Mabuchi, Hiroshi
出版情報: Journal of Atherosclerosis and Thrombosis.  13  pp.197-201,  2006-08-15.  Japan Atherosclerosis Society = 日本動脈硬化学会
URL: http://hdl.handle.net/2297/48531
概要: Objective: To clarify the effects of walking with a pedometer on metabolic parameters, including adiponectin (APN). Meth ods: We recruited 44 male Japanese volunteers (age, 37 ± 9 yrs; body mass index (BMI), 24.2 ± 2.9 kg/m2; fasting plasma glucose (FPG), 96 ± 11 mg/dL; total cholesterol (TC) 190 ± 26 mg/dL; triglycerides (TG) 119 ± 80 mg/dL; HDL-C56 ± 14 mg/dL). Subjects were instructed to walk with a pedometer and record the number of steps they walked every day for 50 days. Serum adiponectin (APN) levels were measured by enzyme immunoassay. Treatment effects were examined by Wilcoxon's rank test. Results: The average number of steps was 8211 ± 2084 per day. There were significant reductions in BMI, sBP, TG and TNF-α levels after 50 days, but no changes in adiponectin levels. We then divided the subjects into 2 groups according to the steps walked per day, namely, more than 8000 steps (MT group, n=22) and less than 8000 steps (LT group, n=22) and found that the reduction in TG and BP was observed only in the MT group. Conclusions: Walking with a pedometer is effective for improving metabolic parameters, such as TG and blood pressure, but is not sufficient to increase adiponectin levels in Japanese men.<br />出版者照会後に全文公開 続きを見る
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Tada, Hayato ; Kawashiri, Masa-aki ; Yamagishi, Masakazu
出版情報: Journal of Atherosclerosis and Thrombosis.  24  pp.452-461,  2017-05-01.  Japan Atherosclerosis Society = 日本動脈硬化学会
URL: http://hdl.handle.net/2297/48528
概要: We have learned that low-density lipoprotein (LDL) cholesterol is the cause of atherosclerosis from various aspects, inc luding a single case with familial hypercholesterolemia, other cases with different types of Mendelian dyslipidemias, large-scale randomized controlled trials using LDL cholesterol lowering therapies, and Mendelian randomization studies using common as well as rare variants associated with LDL cholesterol levels. There is no doubt that determinations of genotypes in lipid-associated genes have contributed not only to the genetic diagnosis for Mendelian dyslipidemias but also to the discoveries of novel therapeutic targets. Furthermore, recent studies have shown that such genetic information could provide useful clues for the risk prediction as well as risk stratification in general and in particular population. We provide the current understanding of genetic analyses relating to plasma lipids and coronary artery disease.<br />出版者照会後に全文公開 続きを見る
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Tada, Hayato ; Kawashiri, Masa-aki ; Nohara, Atsushi ; Inazu, Akihiro ; Kobayashi, Junji ; Yasuda, Kenji ; Mabuchi, Hiroshi ; Yamagishi, Masakazu ; Hayashi, Kenshi
出版情報: Journal of Atherosclerosis and Thrombosis.  24  pp.338-345,  2017-03-01.  Japan Atherosclerosis Society = 日本動脈硬化学会
URL: http://hdl.handle.net/2297/48527
概要: Aim: The Japan Atherosclerosis Society (JAS) guidelines for the prevention of atherosclerotic diseases 2012 (JAS2012) pr oposed lipid management targets; however, less data is available regarding the attainment rates of each target in community-based settings. Therefore, we assessed the attainment rates of lipid management targets among subjects who underwent Japanese specific health checkups. Methods: A total of 85,716 subjects (male=29,282, 34.2%) aged 40–74 years who underwent specific health checkups from 2012 to 2014 in Kanazawa city, Japan, were included in this study. We evaluated the attainment rates of the lipid management targets according to the JAS2012 guideline and investigated the clinical characteristics of the subjects without achieving the targets. Results: The target for LDL cholesterol (LDL-C) was the least attained in all risk categories, 89, 72, 50, and 34% for category I, II, III, and secondary prevention, respectively, in 2014. In addition, these rates inversely correlated with the grade of risk categories (p-value for trends <0.001). Attainment rate of the LDL-C target in the suspected chronic kidney disease (CKD) group was significantly lower than in the groups with diabetes, stroke, or absolute risk in category III (49.2, 60.3, 63.5, 54.4%, respectively, p-value <0.001 for each). Moreover, the attainment rate of the LDL-C target was significantly lower in subjects that did not receive lipid-lowering therapy than in those who received it in the secondary prevention (27.7 and 40.6%, respectively, p-value <0.001). Conclusions: Lipid management is inadequate in community-based settings, particularly, in subjects with CKD and secondary prevention.<br />出版者照会後に全文公開 続きを見る
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Oka, Rie ; Yagi, Kunimasa ; Sakurai, Masaru ; Nakamura, Koshi ; Nagasawa, Shin-ya ; Miyamoto, Susumu ; Nohara, Atsushi ; Kawashiri, Masa-aki ; Hayashi, Kenshi ; Takeda, Yoshiyu ; Yamagishi, Masakazu
出版情報: Journal of Atherosclerosis and Thrombosis.  19  pp.814-822,  2012-09-24.  Japan Atherosclerosis Society = 日本動脈硬化学会
URL: http://hdl.handle.net/2297/48542
概要: Aim: The enlargement of visceral adipose tissue (VAT) is considered to mediate the close relationship between obesity an d insulin resistance. We aimed to determine whether a stronger association of VAT compared to subcutaneous adipose tissue (SAT) with insulin resistance could be confirmed and generalized in non-diabetic Japanese men and women. Methods: Participants were 912 non-diabetic Japanese (636 men and 276 women, mean age 52.4±7.0 years, and mean BMI 24.9±3.1 kg/m2). VAT and SAT were measured through the use of computed tomography scanning. Homeostatic model for the assessment of insulin resistance (HOMA-IR) and Matsuda insulin sensitivity index (ISI) were calculated based on results from the oral glucose tolerance test. Results: For both genders, subjects in higher tertiles of SAT as well as VAT showed significantly higher levels of HOMA-IR and lower levels of Matsuda ISI (p<0.001). In multiple regression analyses with VAT and SAT included in the model, only VAT, but not SAT, was independently associated with Matsuda ISI in women (p<0.001), whereas both SAT and VAT were independently associated with HOMA-IR and with Matsuda ISI in men (p<0.001). When VAT and waist circumference were jointly included in the model, only VAT, but not waist circumference, was independently associated with Matsuda ISI in women (p<0.001) but not in men. Conclusion: VAT had a stronger association with insulin resistance than SAT or waist circumference in women but not in men. BMI showed a comparable association with insulin resistance to VAT in this population.<br />出版者照会後に全文公開 続きを見る
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Tada, Hayato ; Kawashiri, Masa-aki ; Okada, Hirofumi ; Endo, Saori ; Toyoshima, Yuka ; Konno, Tetsuo ; Nohara, Atsushi ; Inazu, Akihiro ; Takao, Akira ; Mabuchi, Hiroshi ; Yamagishi, Masakazu ; Hayashi, Kenshi
出版情報: Journal of Atherosclerosis and Thrombosis.  23  pp.884-890,  2016-07-01.  Japan Atherosclerosis Society = 日本動脈硬化学会
URL: http://hdl.handle.net/2297/48532
概要: Whole exome sequencing (WES) technologies have accelerated genetic studies of Mendelian disorders, yielding approximatel y 30% diagnostic success. We encountered a 13-year-old Japanese female initially diagnosed with familial hypercholesterolemia on the basis of clinical manifestations of severe hypercholesterolemia (initial LDL cholesterol=609 mg/dl at the age of one) and systemic intertriginous xanthomas with histories of recurrent self-limiting episodes of fever and arthritis. Both her phenotypes seemed to co-segregate in a recessive manner. We performed WES on this patient, who was considered a proband. Among 206,430 variants found in this individual, we found 18,220 nonsense, missense, or splice site variants, of which 3,087 were rare (minor allele frequency ≤ 0.01 or not reported) in 1000 Genome (Asian population). Filtering by assuming a recessive pattern of inheritance with the use of an in silico annotation prediction tool, we successfully narrowed down the candidates to the compound heterozygous mutations in the ABCG5 gene (c.1256G>A or p.Arg419His/c.1763-1G>A [splice acceptor site]) and to the double-compound heterozygous mutations in the MEFV gene (c.329T>C/C or p.Leu110Pro/c.442G>C/C or p.Glu148Val). The patient was genetically diagnosed with sitosterolemia and familial Mediterranean fever using WES for the first time. Such a comprehensive approach is useful for identifying causative mutations for multiple unrelated inheritable diseases.<br />出版者照会後に全文公開 続きを見る
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Nozue, Tsuyoshi ; Kawashiri, Masa-aki ; Higashikata, Toshinori ; Nohara, Atsushi ; Inazu, Akihiro ; Kobayashi, Junji ; Koizumi, Junji ; Yamagishi, Masakazu ; Mabuchi, Hiroshi
出版情報: Journal of Atherosclerosis and Thrombosis.  13  pp.323-328,  2006-12-28.  Japan Atherosclerosis Society = 日本動脈硬化学会
URL: http://hdl.handle.net/2297/48551
概要: We retrospectively evaluated the frequency and identified the factors associated with the development of aortic stenosis (AS) in 96 patients with heterozygous familial hypercholesterolemia (FH). The frequency of AS was 31% (4/13) and that of critical stenosis was 15% (2/13) in older patients over the age of 70 years. All 4 patients with AS were female aged more than 70 years who were diagnosed with FH when aged more than 60 years. There were no significant differences in conventional coronary risk factors; however, the age at cardiac catheterization, age at diagnosis of FH and the cholesterol-years score (CYS) with AS were significantly higher than those without AS (p=0.006, p=0.017, p=0.021, respectively). In multiple regression analysis, CYS was a significant independent predictor for the development of AS (p=0.037) in 13 older patients over the age of 70 years. These results suggest that physicians should be aware that AS needs attention in older patients with heterozygous FH, especially women who have been diagnosed late in life and those who have been inadequately treated.<br />出版者照会後に全文公開 続きを見る
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Teramoto, Ryota ; Sakata, Kenji ; Miwa, Kenji ; Matsubara, Takao ; Yasuda, Toshihiko ; Inoue, Masaru ; Okada, Hirofumi ; Kanaya, Honin ; Kawashiri, Masa-aki ; Yamagishi, Masakazu ; Hayashi, Kenshi
出版情報: Journal of Atherosclerosis and Thrombosis.  23  pp.1313-1323,  2016-12-01.  Japan Atherosclerosis Society = 日本動脈硬化学会
URL: http://hdl.handle.net/2297/48550
概要: Aim: Although distal embolization during percutaneous coronary intervention (PCI) for acute myocardial infarction (AMI) deteriorates cardiac function, whether distal protection (DP) can improve prognosis is still controversial. We investigated whether a filter-type DP device, Filtrap®, could improve long-term outcomes after PCI for AMI. Method: We studied 164 patients (130 men, mean age: 65.7 years) who underwent PCI. Patients were divided into two groups based on the use of Filtrap®. The occurrence of congestive heart failure (CHF) and major adverse cardiac events (MACE) defined as cardiac death, recurrent AMI, and target vessel revascularization were compared. Result: Between DP (n=53, 41 men, mean age: 65.5 years) and non-DP (n=111, 89 men, mean age: 65.8 years) groups, although there was significantly greater plaque area in the DP group than in the non-DP group, there were no significant differences in coronary reperfusion flow after PCI. Interestingly, patients with CHF in the non-DP group exhibited a higher CK level than those in the DP group. During a 2-year follow-up period, cumulative CHF was significantly lower in the DP group than in the non-DP group (log-rank p=0.018), and there was no significant difference in the MACE rate (log-rank p=0.238). The use of DP device could not predict MACE, but could predict CHF by multivariate analysis (odds ratio=0.099, 95% CI: 0.02–0.42, p=0.005). Conclusion: These results demonstrate that favorable clinical outcomes could be achieved by the filter-type DP device in AMI, particularly in patients with CHF.<br />出版者照会後に全文公開 続きを見る
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Okazaki-Sakai, Satoko ; Yoshimoto, Sachiko ; Yagi, Kunimasa ; Wakasugi, Takanobu ; Takeda, Yoshiyu ; Yamagishi, Masakazu
出版情報: Internal Medicine.  52  pp.2447-2451,  2013-01-01.  Japanese Society of Internal Medicine = 日本内科学会
URL: http://hdl.handle.net/2297/36256
概要: A 62-year-old woman complained of repeated hypoglycemic events. A 75g oral glucose tolerance test (75 gOGTT) showed a marked increase in the plasma insulin level and impaired glucose tolerance. The patient exhibited a high titer of plasma anti-insulin autoantibodies. Her diagnosis was insulin autoimmune syndrome (IAS). Following the cessation of loxoprofen-sodium (LOXs), she experienced no further hypoglycemic episodes. However, the hypoglycemic attacks recurred following the accidental readministration of LOXs in an adhesive skin patch. Considering the changes in the titer of anti-insulin autoantibodies, the repeated 75 gOGTT and the repeated Scatchard analysis, we determined LOXs to be the cause of the IAS and evaluated the characteristics of the autoantibodies. © 2013 by The Japanese Society of Internal Medicine. 続きを見る
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Oe, Kotaro ; Mori, Kiyoo ; Otsuji, Michio ; Konno, Tetsuo ; Fujino, Noboru ; Yamagishi, Masakazu
出版情報: International Heart Journal.  49  pp.629-635,  2008-01-01.  International Heart Journal Association
URL: http://hdl.handle.net/2297/28373
概要: 金沢大学医薬保健研究域医学系<br />This is the first report of a case of Takotsubo cardiomyopathy with a hyperglycemic hyperosmol ar state (HHS). This case presented with marked ST-segment elevation and electrical alternans, uncommon findings in Takotsubo cardiomyopathy. We believe that hyperosmolarity-induced myocardial dehydration and consequent increase in intracellular calcium concentration may be the mechanism of Takotsubo cardiomyopathy and electrical alternans in HHS 続きを見る
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Ohtani, Rumiko ; Inazu, Akihiro ; Noji, Yoshihiro ; Wakasugi, Takanobu ; Miwa, Kenji ; Tada, Hayato ; Kawashiri, Masa-aki ; Noguchi, Tohru ; Nohara, Atsushi ; Kobayashi, Junji ; Koizumi, Junji ; Yamagishi, Masakazu ; Mabuchi, Hiroshi
出版情報: Clinica Chimica Acta.  413  pp.537-543,  2012-03-22.  Elsevier BV
URL: http://hdl.handle.net/2297/30540
概要: Thesis of Ohtani, Rumiko / 大谷 留珠子 博士学位論文(金沢大学 / 大学院医薬保健学総合研究科)<br />Background: The half of hyperalphalipoproteine mia (HALP) in Japan is caused by CETP gene mutations. Other than two prevalent mutations (D442G and Intron 14 splicing donor site +. 1G>A), some rare CETP mutations are found in Japanese HALP subjects. Methods: CETP gene analysis of genomic DNA from subjects was performed by restriction fragment length polymorphism (RFLP) and sequencing analysis. Mutations which were suspected to cause a splicing defect or a protein secretion defect were investigated in COS-1 cells transfected with a CETP minigene construct or a cDNA expression vector. Results: Each of three subjects was identified as a carrier of CETP gene mutation of a compound heterozygote of c.653_654delGGinsAAAC and Intron 14 splicing donor site +. 1G>A, a heterozygote of c.658G>A or a homozygote of L261R. The c.658G>A mutation was located at the last nucleotide of exon 7, and it was confirmed to cause splicing abnormality revealed by the CETP minigene analysis. The L261R CETP was not secreted to conditioned media of the cells. Conclusions: Three novel CETP gene mutations are responsible for HALP by CETP deficiency. It is predicted that there are more rare CETP gene mutations in Japanese, and these multiple rare mutations alone or a combination with each of prevalent mutations is responsible for mild-to-moderate or marked HALP, respectively. © 2011 Elsevier B.V. 続きを見る
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Kaneko, Yoshibumi ; Miyajima, Hiroaki ; Piperno, Alberto ; Tomosugi, Naohisa ; Hayashi, Hisao ; Morotomi, Natsuko ; Tsuchida, Ken-ichi ; Ikeda, Takaaki ; Ishikawa, Akihisa ; Ota, Yusuke ; Wakusawa, Shinya ; Yoshioka, Kentaro ; Kono, Satoshi ; Pelucchi, Sara ; Hattori, Ai ; Tatsumi, Yasuaki ; Okada, Toshihide ; Yamagishi, Masakazu
出版情報: Journal of Gastroenterology.  45  pp.1163-1171,  2010-11-01.  Springer
URL: http://hdl.handle.net/2297/26279
概要: 石川県立中央病院<br />金沢大学医薬保健研究域医学系<br />Iron overload syndromes include a wide spectrum of genetic and acquired co nditions. Recent studies suggest suppressed hepcidin synthesis in the liver to be the molecular basis of hemochromatosis. However, a liver with acquired iron overload synthesizes an adequate amount of hepcidin. Thus, hepcidin could function as a biochemical marker for differential diagnosis of iron overload syndromes. Methods We measured serum iron parameters and hepcidin- 25 levels followed by sequencing HFE, HJV, HAMP, TFR2, and SLC40A1 genes in 13 Japanese patients with iron overload syndromes. In addition, we performed direct measurement of serum hepcidin-25 levels using liquid chromatography-tandem mass spectrometry in 3 Japanese patients with aceruloplasminemia and 4 Italians with HFE hemochromatosis. Results One patient with HJV hemochromatosis, 2 with TFR2 hemochromatosis, and 3 with ferroportin disease were found among the 13 Japanese patients. The remaining 7 Japanese patients showed no evidence for genetic basis of iron overload syndrome. As far as the serum hepcidin-25 was concerned, seven patients with hemochromatosis and 3 with aceruloplasminemia showed markedly decreased serum hepcidin-25 levels. In contrast, 3 patients with ferroportin disease and 7 with secondary iron overload syndromes showed serum hepcidin levels parallel to their hyperferritinemia. Patients with iron overload syndromes were divided into 2 phenotypes presenting as low and high hepcidinemia. These were then associated with their genotypes. Conclusion Determining serum hepcidin-25 levels may aid differential diagnosis of iron overload syndromes prior to genetic analysis. © Springer 2010. 続きを見る
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Yoshimuta, Tsuyoshi ; Yokoyama, Hiroyuki ; Okajima, Toshiya ; Yamagishi, Masakazu ; Nonogi, Hiroshi
出版情報: Internal Medicine.  49  pp.83-84,  2010-01-01.  The Japanese Society of Internal Medicine = 日本内科学会
URL: http://hdl.handle.net/2297/24208
概要: 金沢大学医薬保健研究域医学系
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Demura, Masashi ; Demura, Yoshiki ; Ameshima, Shingo ; Ishizaki, Takeshi ; Sasaki, Masato ; Miyamori, Isamu ; Yamagishi, Masakazu ; Takeda, Yoshiyu ; Bulun, Serdar E.
出版情報: Lung Cancer.  73  pp.289-293,  2011-09-01.  Elsevier
URL: http://hdl.handle.net/2297/27075
概要: 金沢大学医薬保健研究域医学系<br />In humans, aromatase (CYP19) gene expression is regulated via alternative promoters. Activatio n of each promoter gives rise to a CYP19 mRNA species with a unique 5′-untranslated region. Inhibition of aromatase has been reported to downregulate lung tumor growth. The genetic basis for CYP19 gene expression and aromatase activity in lung cancer remains poorly understood. We analyzed tissues from 15 patients with non-small cell lung cancer (NSCLC) to evaluate CYP19 promoter usage and promoter-specific aromatase mRNA levels in NSCLC tumor tissues and adjacent non-malignant tissues. CYP19 promoter usage was determined by multiplex RT-PCR and aromatase mRNA levels were measured with real-time RT-PCR. In non-malignant tissues, aromatase mRNA was primarily derived from activation of CYP19 promoter I.4. Although promoter I.4 usage was also dominant in tumor tissues, I.4 activation was significantly lower compared with adjacent non-malignant tissues. Activity of promoters I.3, I.1 and I.7 was significantly higher in tumor tissues compared with non-malignant tissues. In 4 of 15 cases of non-small cell lung cancer, switching from CYP19 promoter I.4 to the alternative promoters II, I.1 or I.7 was observed. In 9 cases, there were significantly higher levels of aromatase mRNA in lung tumor tissues compared with adjacent non-malignant tissues. These findings suggest aberrant activation of alternative CYP19 promoters that may lead to upregulation of local aromatase expression in some cases of NSCLC. Further studies are needed to examine the impact of alternative CYP19 promoter usage on local estrogen levels and lung tumor growth. © 2011 Elsevier Ireland Ltd. All rights reserved. 続きを見る
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Konno, Tetsuo ; Hayashi, Kenshi ; Fujino, Noboru ; Yamagishi, Masakazu
出版情報: Internal Medicine.  55  pp.545-546,  2016-03-01.  Japanese Society of Internal Medicine = 日本内科学会
URL: http://hdl.handle.net/2297/48441
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Onoe, Tamehito ; Yamada, Kazunori ; Mizushima, Ichiro ; Ito, Kiyoaki ; Kawakami, Takahiro ; Daimon, Shoichiro ; Muramoto, Hiroaki ; Konoshita, Tadashi ; Yamagishi, Masakazu ; Kawano, Mitsuhiro
出版情報: Clinical Kidney Journal.  9  pp.69-75,  2016-02-01.  European Renal Association / Oxford University Press
URL: http://hdl.handle.net/2297/48358
概要: Background: Uromodulin kidney disease (UKD) is an inherited kidney disease caused by a uromodulin (UMOD) gene mutation. The UMOD gene encodes the Tamm-Horsfall protein (THP), which is the most abundant protein in healthy human urine. Because of its rarity, the incidence of UKD has not been fully elucidated. The purpose of the present study is to clarify the frequency of UKD among patients who underwent renal biopsy. Methods: Immunostaining for THP was performed for patients <50 years of age with renal insufficiency and hyperuricemia without overt urinalysis abnormality from renal biopsy databases. Serum and urinary THP concentrations were evaluated in available individuals. Results: Fifteen patients were selected for immunostaining from a total of 3787 patients. In three independent patients, abnormal THP accumulation in renal tubular cells was observed. A novel missense A247P UMOD mutation was detected in two of the three patients, including one having a typical family history of familial juvenile hyperuricemic nephropathy. Serum and urinary THP concentrations of all available patients withUMODA247P mutationwere significantly lower than those of controls. Conclusions: In the present study, UKDwas detected in <1 in 1000 subjects who underwent renal biopsies. However, in subjects meeting all of the above criteria, abnormal THP accumulation was detected in 20% (3/15), suggesting that renal biopsy with immunostaining for THP is a good tool for diagnosing UKD. Also, lowserum THP concentration detected in the present subjects might be a good diagnostic marker or important in understanding the pathogenesis of UKD. © The Author 2015.<br />Publisher's version/PDF on institutional repository or centrally organised repositories 続きを見る
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Yoshimitsu, Masashi ; Sawada, Takeshi ; Kobayashi, Takeshi ; Yamagishi, Masakazu
出版情報: Internal Medicine.  55  pp.1815-1815,  2016-07-01.  The Japanese Society of Internal Medicine = 日本内科学会
URL: http://hdl.handle.net/2297/45921
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Hiro, Takafumi ; Kimura, Takeshi ; Morimoto, Takeshi ; Miyauchi, Katsumi ; Nakagawa, Yoshihisa ; Yamagishi, Masakazu ; Ozaki, Yukio ; Kimura, Kazuo ; Saito, Satoshi ; Yamaguchi, Tetsu ; Daida, Hiroyuki ; Matsuzaki, Masunori ; The JAPAN-ACS Investigators
出版情報: Circulation journal.  74  pp.1165-1174,  2010-05-12.  Japanese Circulation Society = 日本循環器学会
URL: http://hdl.handle.net/2297/48520
概要: Background: The Japan Assessment of Pitavastatin and Atorvastatin in Acute Coronary Syndrome (JAPAN-ACS) trial has found that early aggressive statin therapy in patients with acute coronary syndrome (ACS) significantly reduces the plaque volume (PV) of non-culprit coronary lesions. The purpose of the present study was to evaluate clinical factors that have an impact on plaque regression using statin therapy. Methods and Results: Serial intravascular ultrasound observations over 8-12 months were performed in 252 ACS patients receiving pitavastatin or atorvastatin. Linear regression analysis identified the presence of diabetes mellitus (DM) and PV at baseline as inhibiting factors, and serum remnant-like particle-cholesterol level at baseline as a significant factor significantly affecting the degree of plaque regression. Significant correlation between % change of PV and low-density lipoprotein cholesterol (LDL-C) level was found in patients with DM (n=73, P<0.05, r=0.4), whereas there was no significant correlation between the 2 parameters in patients without DM (n=178). Conclusions: The regression of coronary plaque induced by statin therapy after ACS was weaker in diabetic patients than their counterparts. Moreover, vigorous reduction of the LDL-C levels might induce a greater degree of plaque regression in ACS patients with DM.  (Circ J 2010; 74: 1165 - 1174)<br />出版者照会後に全文公開 続きを見る
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Yoshimuta, Tsuyoshi ; Yokoyama, Hiroyuki ; Okajima, Toshiya ; Tanaka, Hiroshi ; Toyoda, Kazunori ; Nagatsuka, Kazuyuki ; Higashi, Masahiro ; Hayashi, Kenshi ; Kawashiri, Masa-aki ; Yasuda, Satoshi ; Yamagishi, Masakazu
出版情報: Circulation journal.  79  pp.1841-1845,  2015-07-24.  Japanese Circulation Society = 日本循環器学会
URL: http://hdl.handle.net/2297/48526
概要: Background:Plasma d-dimer is known to be a useful clinical marker of thrombogenic status, and d-dimer is used as a diagn ostic marker for acute aortic dissection (AAD). Little is known, however, regarding the clinical value of d-dimer for diagnosis of asymptomatic AAD in patients with ischemic stroke. We investigated whether d-dimer could be used for early diagnosis of AAD with isolated neurological symptoms in ischemic stroke patients.Methods and Results:We evaluated a total of 1,236 consecutive patients with symptomatic ischemic stroke without chest or back pain who underwent either head computed tomography or magnetic resonance imaging. d-dimer was measured within 24 h after onset. There were 9 patients with Stanford type A AAD and they had significantly higher d-dimer than the patients without AAD (mean, 46.47±54.48 μg/ml; range, 6.9–167.1 μg/ml vs. 2.33±3.58 μg/ml, 0.3–57.9 μg/ml, P<0.001). When a cut-off of 6.9 μg/ml was adopted for d-dimer on the basis of receiver operating characteristics analysis, the sensitivity and specificity for AAD were 100% and 94.8%, respectively, while the positive and negative predictive values were 14.7% and 100%, respectively.Conclusions:d-dimer might be a useful marker for the early diagnosis of AAD with isolated neurological symptoms in ischemic stroke patients. Whole-body contrast-enhanced computed tomography should be performed in ischemic stroke patients who have high d-dimer. (Circ J 2015; 79: 1841–1845)<br />出版者照会後に全文公開 続きを見る
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Miyauchi, Katsumi ; Daida, Hiroyuki ; Morimoto, Takeshi ; Hiro, Takafumi ; Kimura, Takeshi ; Nakagawa, Yoshihisa ; Yamagishi, Masakazu ; Ozaki, Yukio ; Kadota, Kazushige ; Kimura, Kazuo ; Hirayama, Atsushi ; Kimura, Kazumi ; Hasegawa, Yasuhiro ; Uchiyama, Shinichiro ; Matsuzaki, Masunori ; for the JAPAN-ACS Investigators
出版情報: Circulation journal.  76  pp.825-832,  2012-03-23.  Japanese Circulation Society = 日本循環器学会
URL: http://hdl.handle.net/2297/48525
概要: Background: The JAPAN-ACS study demonstrated that statins significantly reduced coronary plaque volume in patients with acute coronary syndrome (ACS). The clinical implications of plaque regression for clinical outcomes in ACS patients has not been established. The Extended JAPAN-ACS study was conducted to evaluate the relationship between coronary plaque regression and long-term clinical outcome, and to explore the factors associated with cardiovascular events. Methods and Results: Patients with intravascular ultrasound (IVUS) data at both enrollment and follow-up in the JAPAN-ACS study were enrolled and observed for at least 3 years. Patients were divided into lesser and greater coronary plaque regression groups. The primary endpoint was defined as a composite of the following events: cardiovascular death, nonfatal myocardial infarction, nonfatal cerebral infarction, and unstable angina. The median value of the percent change in plaque volume, 18.0%, was used as a cutoff point. There were 4 primary events (3.4%) in the lesser regression group, and 2 events (1.7%) in the greater regression group (P=0.4). Cumulative secondary cardiovascular events did not differ between the 2 groups. Multivariate analysis identified the high-density lipoprotein cholesterol (HDL-C) at baseline and the % change of the external elastic membrane volume as independent risk factors of cardiovascular events. Conclusions: Coronary plaque regression induced by an intensive statin regimen did not predict future cardiovascular events in ACS patients. Rather, the baseline HDL-C level and reverse vessel remodeling might serve as predictors for cardiovascular events. (Circ J 2012; 76: 825-832)<br />出版者照会後に全文公開 続きを見る
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Tada, Hayato ; Kawashiri, Masa-aki ; Yamagishi, Masakazu ; Hayashi, Kenshi
出版情報: Journal of Atherosclerosis and Thrombosis.  22  pp.881-885,  2015-01-01.  Japan Atherosclerosis Society = 日本動脈硬化学会
URL: http://hdl.handle.net/2297/48549
概要: 出版者照会後に全文公開
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Mizushima, Ichiro ; Yamamot, Motohisa ; Inoue, Dai ; Nishi, Shinichi ; Taniguchi, Yoshinori ; Ubara, Yoshifumi ; Matsui, Shoko ; Yasuno, Tetsuhiko ; Nakashima, Hitoshi ; Takahashi, Hiroki ; Yamada, Kazunori ; Nomura, Hideki ; Yamagishi, Masakazu ; Saito, Takao ; Kawano, Mitsuhiro
出版情報: Arthritis Research and Therapy.  18  pp.273-,  2016-11-25.  BioMed Central
URL: http://hdl.handle.net/2297/48356
概要: Background: In immunoglobulin G4-related kidney disease (IgG4-RKD), focal or diffuse renal cortical atrophy is often observed in the clinical course after glucocorticoid therapy. This study aimed to clarify the factors related to renal atrophy after glucocorticoid therapy in IgG4-RKD. Methods: We retrospectively evaluated clinical features including laboratory data and computed tomography (CT) findings before and after glucocorticoid therapy in 23 patients diagnosed with IgG4-RKD, all of whom were followed up for more than 24 months. Results: Seventeen patients were men, and six were women (average age 62.0 years). Average follow-up period was 54.9 months. The average estimated glomerular filtration rate (eGFR) at diagnosis was 81.7 mL/min/1.73 m2. All patients had had multiple low-density lesions on contrast-enhanced CT before glucocorticoid therapy, and showed disappearance or reduction of these lesions after it. Pre-treatment eGFR and serum IgE level in 11 patients in whom renal cortical atrophy developed 24 months after the start of glucocorticoid therapy were significantly different from those in 12 patients in whom no obvious atrophy was found at that time (68.9 ± 30.1 vs 93.5 ± 14.1 mL/min/1.73 m2, P = 0.036, and 587 ± 254 vs 284 ± 263 IU/mL, P = 0.008, respectively). Pre-treatment eGFR and serum IgE level were also significant risk factors for renal atrophy development 24 months after the start of therapy with an odds ratio of 0.520 (per 10 mL/min/1.73 m2, 95% confidence interval (CI) 0.273-0.993, P = 0.048) and 1.090 (per 10 IU/mL, 95% CI: 1.013-1.174, P = 0.022), respectively, in age-adjusted, sex-adjusted, serum IgG4 level-adjusted logistic regression analysis. Receiver operating characteristic curve analysis showed that eGFR of less than 71.0 mL/min/1.73 m2 and serum IgE of more than 436.5 IU/mL were the most appropriate cutoffs and yielded sensitivity of 63.6% and specificity of 100%, and sensitivity of 90.9% and specificity of 75.0%, respectively, in predicting renal atrophy development. Conclusions: This study suggests that pre-treatment renal insufficiency and serum IgE elevation predict renal atrophy development after glucocorticoid therapy in IgG4-RKD. © 2016 The Author(s). 続きを見る
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Oe, Kotaro ; Araki, Tsutomu ; Nakashima, Akikatsu ; Sato, Katsuaki ; Konno, Tetsuo ; Yamagishi, Masakazu
出版情報: Internal Medicine.  49  pp.833-836,  2010-04-30.  Japanese Society of Internal Medicine = 日本内科学会
URL: http://hdl.handle.net/2297/48445
概要: A 73-year-old man was admitted to our hospital because of bilateral foot pain. He was treated with thrombolysis for cerebral infarction about 5 months ago. Anticoagulants had not been used because of hemorrhagic infarction. The pulses of bilateral pedal arteries were palpable, but cyanosis was present in the bilateral toes. Laboratory data indicated azotemia and eosinophilia. Magnetic resonance imaging revealed multiple plaques of the thoracic and abdominal aorta, one of which was ulcerated. Skin biopsy proved the diagnosis of cholesterol crystal embolism (CCE). Because no invasive vascular procedure was performed, we assumed that CCE in this patient was related to thrombolysis. We should be cautious for late onset of CCE after thrombolysis. © 2010 The Japanese Society of Internal Medicine. 続きを見る
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Nozue, Tsuyoshi ; Higashikata, Toshinori ; Inazu, Akihiro ; Kawashiri, Masa-aki ; Nohara, Atsushi ; Kobayashi, Junji ; Koizumi, Junji ; Yamagishi, Masakazu ; Mabuchi, Hiroshi
出版情報: Internal Medicine.  49  pp.1127-1131,  2010-06-01.  Japanese Society of Internal Medicine = 日本内科学会
URL: http://hdl.handle.net/2297/48447
概要: Cerebrotendinous xanthomatosis (CTX) is a rare autosomal recessive sterol storage disease caused by a mutated sterol 27-hydroxylase (CYP27A1) gene. We analyzed the CYP27A1 gene in two Japanese CTX patients. The CYP27A1 gene was amplified by PCR and screened by PCR-SSCP. The nucleotide sequence was analyzed to confirm mutations. Case 1 was a compound heterozygote for Arg104Gln in exon 2 and Arg441Gln in exon 8. To our knowledge, this is the first report in which the Arg104Gln mutation is identified in CTX patients. Probably case 2 would be a compound heterozygote for Arg441Trp in exon 8 and a mutation that was not identified. © 2010 The Japanese Society of Internal Medicine. 続きを見る
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Tanaka, Yoshihiro ; Sakata, Kenji ; Waseda, Yohei ; Fujimura, Takashi ; Yamada, Keisuke ; Oyama, Takeru ; Kawashiri, Masa-aki ; Yamagishi, Masakazu
出版情報: Internal Medicine.  54  pp.1563-1566,  2015-01-01.  Japanese Society of Internal Medicine = 日本内科学会
URL: http://hdl.handle.net/2297/48448
概要: A 79-year-old man with diabetes and partial gastrectomy visited our hospital due to gradually worsening epigastric pain on exertion. Unstable angina was suspected and coronary angiography was performed, which revealed severe stenosis of the left ascending artery. Despite successful intervention, the pain persisted. A careful physical examination finally revealed the point of tenderness on the xiphoid process, and the patient was diagnosed with xiphodynia. The severe epigastric pain resolved immediately after xiphoidectomy. This case demonstrates that symptoms of xiphodynia may mimic those of various types of disorders, such as angina, and that careful palpation is warranted during routine physical examinations. © 2015 The Japanese Society of Internal Medicine. 続きを見る
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Funada, Akira ; Goto, Yoshikazu ; Tada, Hayato ; Teramoto, Ryota ; Shimojima, Masaya ; Hayashi, Kenshi ; Yamagishi, Masakazu
出版情報: Circulation journal.  81  pp.652-659,  2017-04-25.  Japanese Circulation Society = 日本循環器学会
URL: http://hdl.handle.net/2297/48500
概要: Background:The appropriate duration of prehospital cardiopulmonary resuscitation (CPR)administered by emergency medical service (EMS) providers for patients with out-of-hospital cardiac arrest (OHCA) necessary to achieve 1-month survival with favorable neurological outcome (Cerebral Performance Category 1 or 2, CPC 1–2) is unclear and could differ by age. Methods and Results:We analyzed the records of 35,709 adult OHCA patients with return of spontaneous circulation (ROSC) before hospital arrival in a prospectively recorded Japanese registry between 2011 and 2014. The CPR duration was defined as the time from CPR initiation by EMS providers to prehospital ROSC. The rate of 1-month CPC 1–2 was 21.4% (7,650/35,709). The CPR duration was independently and inversely associated with 1-month CPC 1–2 (adjusted odds ratio, 0.93 per 1-min increment; 95% confidence interval, 0.93–0.94). The CPR duration increased with age (P<0.001). However, the CPR duration beyond which the proportion of OHCA patients with 1-month CPC 1–2 decreased to <1% declined with age: 28 min for patients aged 18–64 years, 25 min for 65–74 years, 23 min for 75–84 years, 20 min for 85–94 years, and 18 min for ≥95 years. Conclusions:In patients who achieved prehospital ROSC after OHCA, the duration of CPR administered by EMS providers necessary to achieve 1-month CPC 1–2 varied by age.<br />出版者照会後に全文公開 続きを見る
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Miyauchi, Katsumi ; Kimura, Takeshi ; Morimoto, Takeshi ; Nakaagawa, Yoshihisa ; Yamagishi, Masakazu ; Ozaki, Yukio ; Hiro, Takafumi ; Daida, Hiroyuki ; Matsuzaki, Masunori
出版情報: Circulation journal.  70  pp.1624-1628,  2006-11-25.  Japanese Circulation Society = 日本循環器学会
URL: http://hdl.handle.net/2297/48513
概要: Background Many trials have shown that 3-hydroxy-3-methyl-glutaryl coenzyme A (HMG-CoA) reductase inhibitors reduce the incidence of cardiovascular events and mortality. One method of decreasing the incidence of cardiovascular events could be to reduce the progression of coronary atherosclerosis, and a recent study found that atorvastatin can cause coronary plaque to regress. To generalize this finding, using conventional HMG-CoA reductase inhibitors at many Japanese centers, randomized trials of pitavastatin and atorvastatin will be conducted with patients with acute coronary syndrome (ACS). Methods and Results Patients with ACS who have undergone successful percutaneous coronary intervention under intravascular ultrasound guidance will be studied. They will be randomly allocated to pitavastatin or atorvastatin groups and followed up for 8-12 months. The primary endpoint will be the percent change in coronary plaque volume, and secondary endpoints will include absolute changes in coronary plaque volume, serum lipid levels and inflammatory markers. The safety profile will also be evaluated. Conclusions This study will examine the ability of HMG-CoA reductase inhibitors to regress coronary plaque in Japanese patients with ACS and the findings should help to improve the prognosis of such patients and clarify the involved mechanisms. (Circ J 2006; 70: 1624 - 1628)<br />出版者照会後に全文公開 続きを見る
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Takayama, Tadateru ; Hiro, Takafumi ; Yamagishi, Masakazu ; Daida, Hiroyuki ; Saito, Satoshi ; Yamaguchi, Tetsu ; Matsuzaki, Masunori
出版情報: Circulation journal.  71  pp.271-275,  2007-01-25.  Japanese Circulation Society = 日本循環器学会
URL: http://hdl.handle.net/2297/48512
概要: http://www.j-circ.or.jp/english/<br />Background There have been few multicenter studies using intravascular ultra sound (IVUS) to assess the process of atherosclerosis in a Japanese population with hypercholesterolemia that is being treated with 3-hydroxy-3-methylglutaryl coenzyme A reductase inhibitors for control of low-density lipoprotein-cholesterol. Methods and Results An open-label multicenter study is planned to evaluate with IVUS whether treatment with rosuvastatin for 76 weeks results in regression of coronary artery atheroma volume in patients who have coronary heart disease (CHD) and hypercholesterolemia. Sample size is 200 subjects with CHD who are to undergo percutaneous coronary intervention. The planned duration is between October 2005 and October 2008. Conclusions The COSMOS study will be the first multicenter cardiovascular study in a Japanese population and may provide new evidence on the effects of rosuvastatin on the progression of coronary atherosclerotic lesions. (Circ J 2007; 71: 271 -275)<br />出版者照会後に全文公開 続きを見る
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Kometani, Mitsuhiro ; Yoneda, Takashi ; Demura, Masashi ; Karashima, Shigehiro ; Mori, Shunsuke ; Oe, Masashi ; Sawamura, Toshitaka ; Okuda, Rika ; Yamagishi, Masakazu ; Takeda, Yoshiyu
出版情報: Internal Medicine.  55  pp.769-773,  2016-04-01.  Japanese Society of Internal Medicine = 日本内科学会
URL: http://hdl.handle.net/2297/48442
概要: Primary aldosteronism (PA) is a major cause of secondary hypertension, divided into two subtypes: unilateral and bilateral. Unilateral PA (u-PA) is surgically-curable. Medical treatment with mineralocorticoid receptors antagonists is recommended as a second-line treatment when the patients are not candidate for surgical treatment. The present case was a 39-year-old woman with u-PA, who had refused surgery, had suffered from adverse effects of medical treatment. She was treated with transcatheter adrenal arterial embolization (TAAE). Her blood pressure had been well controlled without progression of cardiorenovascular damage for 12 years. TAAE can be the third treatment option for u-PA patients. © 2016 The Japanese Society of Internal Medicine. 続きを見る
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Tada, Hayato ; Kawashiri, Masa-aki ; Watanabe, Go ; Yamagishi, Masakazu
出版情報: Internal Medicine.  48  pp.859-,  2009-05-01.  Japanese Society of Internal Medicine = 日本内科学会
URL: http://hdl.handle.net/2297/48440
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Takayama, Tadateru ; Hiro, Takafumi ; Yamagishi, Masakazu ; Daida, Hiroyuki ; Hirayama, Atsushi ; Saito, Satoshi ; Yamaguchi, Tetsu ; Matsuzaki, Masunori ; The COSMOS Investigators
出版情報: Circulation journal.  73  pp.2110-2117,  2009-10-23.  Japanese Circulation Society = 日本循環器学会
URL: http://hdl.handle.net/2297/48506
概要: Background: It has been suggested that intensive lipid-lowering therapy using statins significantly decreases atheromato us plaque volume. The effect of rosuvastatin on plaque volume in patients with stable coronary artery disease (CAD), including those receiving prior lipid-lowering therapy, was examined in the present study. Methods and Results: A 76-week open-label trial was performed at 37 centers in Japan. Eligible patients began treatment with rosuvastatin 2.5 mg/day, which could be increased at 4-week intervals to ≤20 mg/day. A total of 214 patients underwent intravascular ultrasound (IVUS) at baseline; 126 patients had analyzable IVUS images at the end of the study. The change in the serum low-density lipoprotein-cholesterol level from baseline to end of follow-up was -38.6 ±16.9%, whereas that of high-density lipoprotein-cholesterol was +19.8 ±22.9% (both P<0.0001). Percent change of plaque volume, the primary endpoint, was -5.1 ±14.1% (P<0.0001). Conclusions: Rosuvastatin exerted significant regression of coronary plaque volume in Japanese patients with stable CAD, including those who had previously used other lipid-lowering drugs. Rosuvastatin might be useful in the setting of secondary prevention in patients with stable CAD. (Circ J 2009; 73: 2110-2117)<br />出版者照会後に全文公開 続きを見る
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Hiramatsu, Shigeki ; Tada, Hiroshi ; Sakamoto, Yuichiro ; Kaseno, Kenichi ; Sato, Chizuru ; Irie, Tadanobu ; Yokokawa, Miki ; Nagase, Satoshi ; Naito, Shigeto ; Fukushima Kusano, Kengo ; Yamagishi, Masakazu ; Ohe, Tohru ; Aonuma, Kazutaka ; Oshima, Shigeru ; Taniguchi, Koichi
出版情報: Circulation journal.  73  pp.838-845,  2009-04-24.  Japanese Circulation Society = 日本循環器学会
URL: http://hdl.handle.net/2297/48515
概要: Background: Some supraventricular tachycardias could be ablated from the non-coronary sinus of Valsalva (NSV). However, the characteristics of the NSV electrograms have not been clarified. Methods and Results: A quantitative analysis of the NSV electrograms was performed in 5 patients with tachycardias arising from near the atrioventricular node (AVN) and the His-bundle region, and in 20 control subjects. In another 7 control subjects, the NSV electrograms were compared with those recorded at the left and right sinus of Valsalva (LSV and RSV). The NSV electrograms during sinus rhythm had a larger atrial amplitude than ventricular amplitude, and the ratio of the atrial amplitude to the ventricular amplitude was usually >1, which was apparently different from the LSV and RSV electrograms. A tiny but distinct His-bundle deflection was sometimes recorded at the NSV during sinus rhythm while it was not during the tachycardia. The distance to the His-bundle region in the anteroseptal right atrium was shorter from the NSV than from the RSV or LSV. Conclusions: The precise identification of the catheter position at the NSV is possible using the characteristics of the electrograms. Much attention should be paid during ablation to the NSV because of its vicinity to the AVN and His-bundle region. (Circ J 2009; 73: 838 - 845)<br />出版者照会後に全文公開 続きを見る
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Oka, Rie ; Shibata, Kyoko ; Sakurai, Masaru ; Kometani, Mitsuhiro ; Yamagishi, Masakazu ; Yoshimura, Kenichi ; Yoneda, Takashi
出版情報: Journal of Diabetes Research.  2017  pp.5307523-,  2017-09-14.  Hindawi Limited
URL: http://hdl.handle.net/2297/00049541
概要: 金沢大学附属病院研修医・専門医総合教育センター<br />We aimed to clarify how the trajectories of 1-hour postload plasma glucose (PG) and 2 -hour PG were different in the development of type 2 diabetes. Using data of repeated health checkups in Japanese workers from April 2006 to March 2016, longitudinal changes of fasting, 1-hour, and 2-hour PG on the oral glucose tolerance test were analyzed with a linear mixed effects model. Of the 1464 nondiabetic subjects at baseline, 112 subjects progressed to type 2 diabetes during the observation period (progressors). In progressors, 1-hour PG and 2-hour PG showed gradual increases with slopes of 1.33 ± 0.2 and 0.58 ± 0.2 mg/dL/year, respectively, followed by a steep increase by which they attained diabetes. Until immediately before the diabetes transition, age- and sex-adjusted mean level of 2-hour PG was 149 ± 2.7 mg/dL, 34 ± 2.7 (30%) higher compared to nonprogressors, while that of 1-hour PG was 206 ± 4.1 mg/dL, 60 ± 4.3 mg/dL (41%) higher compared to nonprogressors. In conclusion, diabetes transition was preceded by a mild elevation of 2-hour PG for several years or more. The elevation in 1-hour PG was larger than that of 2-hour PG until immediately before the transition to diabetes. © 2017 Rie Oka et al.<br />Embargo Period 12 months 続きを見る
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Imamura, S. ; Kobayashi, Junji ; Sakasegawa, S. ; Nohara, Atsushi ; Nakajima, Kenichi ; Kawashiri, Masa-aki ; Inazu, Akihiro ; Yamagishi, Masakazu ; Koizumi, Junji ; Mabuchi, Hiroshi
出版情報: Journal of Lipid Research.  48  pp.453-457,  2007-02.  American Society for Biochemistry and Molecular Biology
URL: http://hdl.handle.net/2297/00050262
概要: 金沢大学医薬保健研究域医学系<br />The objective of this study was to establish a hepatic lipase (HL) assay method that can be ap plied to automatic clinical analyzers. Seventy-four hyperlipidemic subjects (men/women 45/29) were recruited. Lipase activity was assayed measuring the increase in absorbance at 546 nm due to quinonediimine dye production. Reaction mixture R-1 contained 50 mM Tris-HCl (pH 9.5), 0.5 mM glycerol-1,2-dioleate, 0.4% (unless otherwise noted) polyoxyethylenenonylphenylether, 3 mM ATP, 3 mM MgCl2, 1.5 mM CaCl2, monoacylglycerol-specific lipase, glycerol kinase, glycerol-3-phosphate oxidase, 0.075% N,N-bis-(4-sulfobutyl)-3-methylaniline-2 Na, peroxidase, ascorbic acid oxidase. Reaction mixture R-2 contained 50 mM Tris-HCl (pH9.5), 0.15% 4-aminoantypirine. Automated assay for activity was performed with a Model 7080 Hitachi analyzer. In the lipase assay, 160 μl of R-1 was incubated at 37°C with 3 μl of samples for 5 min, and 80 μl of R-2 was added. Within-run coefficient of variations was 0.9-1.0%. Calibration curve of lipase activity was linear (r = 0.999) between 0 and 320 U/l. Analytical recoveries of purified HL added to plasma were 96.6-99.8%. HL activity in postheparin plasma measured in this method had a closer correlation with HL mass by a sandwich ELISA (r = 0.888, P , 0.0001) than those in the conventional method using [ 14C-]triolein (r = 0.730, P < 0.0001). This assay method for HL activity can be applied to an automatic clinical analyzer. Copyright © 2007 by the American Society for Biochemistry and Molecular Biology, Inc. 続きを見る
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Sakamoto, Aiji ; Sugamoto, Yuka ; Tokunaga, Y. ; Yoshimuta, Tsuyoshi ; Hayashi, Kenshi ; Konno, Tetsuo ; Kawashiri, Masa-aki ; Takeda, Yoshiyu ; Yamagishi, Masakazu
出版情報: Journal of International Medical Research.  39  pp.522-527,  2011.  SAGE Publications
URL: http://hdl.handle.net/2297/00050263
概要: 金沢大学医薬保健研究域医学系<br />Ephrin B1 and its cognate receptor, Eph receptor B2, key regulators of embryogenesis, are expr essed in human atherosclerotic plaque and inhibit adult human monocyte chemotaxis. Few data exist, however, regarding the gene expression profiles of the ephrin (EFN) and Eph receptor (EPH) family of genes in atherosclerosis-related human cells. Gene expression profiles were determined of all 21 members of this gene family in atherosclerosis-related cells by reverse transcription-polymerase chain reaction analysis. The following 17 members were detected in adult human peripheral blood monocytes: EFNA1 and EFNA3 - EFNA5 (coding for ephrins A1 and A3 - A5); EPHA1, EPHA2, EPHA4 - EPHA6 and EPHA8 (coding for Eph receptors A1, A2, A4 - A6 and A8); EFNB1 and EFNB2 (coding for ephrins B1 and B2); and EPHB1 - EPHB4 and EPHB6 (coding for Eph receptors B1 - B4 and B6). THP-1 monocytic cells, Jurkat T cells and adult arterial endothelial cells also expressed multiple EFN and EPH genes. These results indicate that a wide variety of ephrins and Eph receptors might affect monocyte chemotaxis, contributing to the development of atherosclerosis. Their pathological significance requires further study. © 2011 Field House Publishing LLP. 続きを見る
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Aoyagi, H. ; Okada, T. ; Hasatani, K. ; Mibayashi, H. ; Hayashi, Y. ; Tsuji, Y. ; Kaneko, Y. ; Yamagishi, Masakazu
出版情報: Journal of International Medical Research.  37  pp.378-384,  2009.  SAGE Publications
URL: http://hdl.handle.net/2297/00050291
概要: 金沢大学医薬保健研究域医学系<br />DNA analyses of the cystic fibrosis transmembrane conductance regulator (CFTR) gene in japanes e patients with idiopathic chronic pancreatitis (ICP) were performed to determine the relationship between the CFTR mutation and ICP. The study included patients with alcoholic pancreatitis (n = 20), patients with ICP (n = 20) and healthy volunteers (controls; n = 110). The poly-T region in intron 8 of the CFTR gene was analysed by direct sequencing. The CFTR coding region was screened using single-strand conformational polymorphism and direct sequencing. In the controls, frequencies of the 5T genotype and 5T allele were 4.5% and 3.6%, respectively. The frequency of the 5T genotype was significantly higher in the ICP group (20%) versus controls, but was not significantly different in alcolohol chronic pacreatitis patients (5%). Thus, the CFIR gene mutation, especially the 5T genotype, appears to have some relationship to ICP prevalence in japanese patients independent of cystic fibrosis. Copyright © 2009 Field House Publishing LLP. 続きを見る
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Uchiyama, K. ; Ino, H. ; Hayashi, Kenshi ; Fujioka, K. ; Takabatake, S. ; Yokawa, J. ; Namura, M. ; Mizuno S. ; Tatami, R. ; Kanaya, H. ; Nitta, Y. ; Michishita, I. ; Hirase, H. ; Ueda, K. ; Aoyama, T. ; Okeie, K. ; Haraki, T. ; Mori, K. ; Araki, T. ; Minamoto, M. ; Oiwake, H. ; Konno, Tetsuo ; Sakata, Kenji ; Kawashiri, Masa-aki ; Yamagishi, Masakazu
出版情報: Journal of International Medical Research.  39  pp.549-557,  2011.  SAGE Publications
URL: http://hdl.handle.net/2297/00050292
概要: 金沢大学医薬保健研究域医学系<br />Percutaneous coronary intervention (PCI) using a drug-eluting stent (DES) leads to less re-ste nosis than PCI using a bare metal stent (BMS), however there is still controversy whether use of a DES for severe coronary disease leads to an acceptable outcome in patients with diabetes mellitus (DM). In this study 8159 lesions were treated in 6739 patients (mean age 68.9 years) with coronary artery disease. Use of a DES significantly decreased the re-stenosis rate compared with BMS in both DM (9.6% versus 21.3%) and non-DM (9.5% versus 17.1%) patients. The re-stenosis rate was significantly higher in DM than in non-DM patients in the BMS group but not in the DES group. There was no statistically significant difference in event-free survival after stenting of patients with left main coronary artery (LMCA) disease between the BMS and DES groups. It was concluded that, compared with BMS, DES reduced re-stenosis in patients with DM, however, we advise careful treatment after using DES for severe coronary disease, including LMCA lesions, in patients with DM. © 2011 Field House Publishing LLP. 続きを見る
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Nitta, Y. ; Yamamoto, R. ; Yamaguchi, Y. ; Katsuda, S. ; Kaku, B. ; Taguchi, T. ; Takabatake, S. ; Nakahama, K. ; Yamagishi, Masakazu
出版情報: Journal of International Medical Research.  38  pp.253-265,  2010.  SAGE Publications
URL: http://hdl.handle.net/2297/00050293
概要: 金沢大学医薬保健研究域医学系<br />Calcium channel blockers (CCBs) can prevent cardiovascular events in patients with coronary ar tery disease (CAD). This study looked retrospectively at the prognosis of CAD in hypertensive patients with CAD who had undergone a coronary angiograph, had been given a CCB (benidipine [n = 66], amlodipine [n = 45], or long-acting nifedipine [n = 31]) on hospital discharge and were then followed up for a mean ± SD of 5.2 ± 2.9 years. Systolic/diastolic blood pressure for all 142 patients decreased significantly from a mean ± SD of 137 ± 20/74 ± 15 mmHg to 129 ± 20/71 ± 12 mmHg. Major adverse cardiovascular events (MACE) occurred in 15 patients. Chronic kidney disease (CKD) was a significant risk factor for MACE (hazard ratio 2.35, 95%confidence intervals 1.45, 3.80). Benidipine was superior to nifedipine in preventing MACE in patients both with and without CKD. In conclusion, benidipine and amlodipine reduced the frequency of MACE in hypertensive patients with CAD, particularly in those with complicating CKD. © 2010 Field House Publishing LLP. 続きを見る
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Matsuo, Shinro ; Nakajima, Kenichi ; Kinuya, Seigo ; Yamagishi, Masakazu
出版情報: Journal of Cardiology.  64  pp.49-56,  2014-07-01.  Japanese College of Cardiology 日本心臓病学会 / Elsevier
URL: http://hdl.handle.net/2297/36518
概要: Objective: Takotsubo cardiomyopathy is a cardiac syndrome with an acute onset defined by chest symptoms and ST segment elevation on electrocardiograms. Takotsubo cardiomyopathy is sometimes misdiagnosed as acute myocardial infarction (AMI). Therefore a non-invasive diagnostic method is needed to be established for setting up appropriate strategies. The purpose of this study was to detect myocardial metabolic abnormalities and to determine the diagnostic usefulness of 123I-beta-methy-iodophenyl pentadecanoic acid (123I-BMIPP) imaging in patients with takotsubo cardiomyopathy. Methods and results: We examined 16 patients with takotsubo cardiomyopathy and 12 with AMI in the left anterior descending artery. All patients were studied with resting 123I-BMIPP imaging. Total defect score (TDS) of 123I-BMIPP and perfusion were semi-quantitatively determined with single-photon emission computed tomography (SPECT) imaging using a 17-segment 5-point model. TDS of 123I-BMIPP were 4.8 ± 2.7 in patients with Takotsubo cardiomyopathy and 22.4 ± 10.7 in AMI. The ratio of summed BMIPP defect score of non-apical to apical segments in Takotsubo cardiomyopathy was smaller than that of the patients with AMI (0.1 ± 0.1 vs. 1.1 ± 0.7, p < 0.0001), indicating that 123I-BMIPP abnormalities were exclusively observed the in apical area. The ratio of summed perfusion defect scores of non-apical to apical segments in takotsubo cardiomyopathy did not differ significantly from that of AMI (0.52 ± 0.6 vs. 0.57 ± 0.3, p = NS). Summed BMIPP defect score in the apical area of takotsubo cardiomyopathy was larger than that of perfusion defect score (3.9 ± 2.7 vs. 1.8 ± 1.8, p = 0.04). Conclusion: Impaired metabolic metabolism exclusively in the apical region was observed by 123I-BMIPP SPECT images in takotsubo cardiomyopathy. These typical metabolic SPECT features of the disease can be utilized on differential diagnosis of takotsubo cardiomyopathy. © 2013.<br />This is the author's version of a work accepted for publication by Japanese College of Cardiology. Changes resulting from the publishing process, including peer review, editing, corrections, structural formatting and other quality control mechanisms, may not be reflected in this document. Changes may have been made to this work since it was submitted for publication. The definitive version has been published in Journal of Cardiology, 64 (1), pp. 49-56,2014 July, 10.1016/j.jjcc.2013.10.019 続きを見る
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Yamamoto, Ryusuke ; Tada, Hayato ; Tsubokawa, Toshinari ; Konno, Tetsuo ; Hayashi, Kenshi ; Saito, Takekatsu ; Kawashiri, Masa-aki ; Ohta, Kunio ; Yachie, Akihiro ; Yamagishi, Masakazu
出版情報: Journal of the American College of Cardiology.  60  pp.2419-,  2012-12-11.  Elsevier B.V.
URL: http://hdl.handle.net/2297/33431
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Kakuchi, Yasushi ; Yamada, Kazunori ; Suzuki, Yasunori ; Ito, Naoko ; Yagi, Kunimasa ; Matsumura, Masami ; Yamagishi, Masakazu ; Umehara, Hisanori ; Zen, Yoh ; Hasegawa, Minoru ; Takehara, Kazuhiko ; Kawano, Mitsuhiro
出版情報: Internal Medicine.  50  pp.1465-1469,  2011-01-01.  The Japanese Society of Internal Medicine
URL: http://hdl.handle.net/2297/29196
概要: We describe a 60-year-old man with IgG4-related chronic sclerosing dacryoadenitis and sialoadenitis associated with lymphoplasmacytic and eosinophilic infiltration in erythematous nodules. Physical examination revealed left eye extrusion and small itchy nodules on the scalp and neck. The serum IgG level was 1,570 mg/dL, IgG4 463 mg/dL (29.5%), and IgE 4,554 IU/mL. Lacrimal gland biopsy disclosed prominent infiltrates of IgG4-positive plasma cells and scattered eosinophilic infiltrates with fibrosis, consistent with IgG4-related disease. A skin biopsy of a cutaneous nodule demonstrated that the infiltrated plasma cells around arterioles or venules in the deep dermis and subcutaneous fat tissue were strongly positive for IgG4. Although the swollen lacrimal and parotid gland and itchy subcutaneous erythematous nodules improved rapidly with oral prednisolone at a dose of 20 mg per day, the skin, lacrimal, and parotid lesions deteriorated simultaneously during steroid tapering and improved after increasing the dosage. As skin lesions are easy to biopsy, further study of the skin manifestations of IgG4-related disease will be important in further clarifying the clinical spectrum, pathophysiology and response to therapy of this disorder. © 2011 The Japanese Society of Internal Medicine. 続きを見る