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Nakahashi, Takuya ; Tada, Hayato ; Sakata, Kenji ; Nomura, Akihiro ; Ohira, Miho ; Mori, Mika ; Takamura, Masayuki ; Hayashi, Kenshi ; Yamagishi, Masakazu ; Kawashiri, Masa-aki ; 多田, 隼人 ; 坂田, 憲治 ; 野村, 章洋 ; 大平, 美穂 ; 森, 三佳 ; 高村, 雅之 ; 林, 研至 ; 山岸, 正和 ; 川尻, 剛照
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金沢大学附属病院循環器内科<br />Aim: To assess whether combining measurements obtained from carotid ultrasonography in addition to th
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e age, creatinine, and ejection fraction (ACEF) score would improve the predictive ability of outcome in patients with acute coronary syndrome (ACS).\nMethods: We examined 264 patients with ACS (194 men; mean age: 68±11 years) who underwent percutaneous coronary intervention. The carotid plaque score (cPS) and intima–media thickness (cIMT) were determined by carotid ultrasonography. The modified ACEF score was calculated using the following formula: (age/left ventricular ejection fraction) ＋1 point for every 10 mL/min reduction in creatinine clearance below 60 mL/min per 1.73 m2. The endpoint of this study was major adverse cardiovascular and cerebrovascular events (MACEs), defined as all-cause death, myocardial infarction, stoke, and target vessel revascularization.\nResults: During the median 4-year follow-up, there were 121 incidents of MACEs. Multivariate Cox proportional hazard regression analysis revealed that cPS ≥9.8 (hazard ratio [HR], 1.52; 95% confidence interval [CI], 1.01–2.31) and ACEF score ≥1.20 (HR, 1.62; 95% CI, 1.11–2.39) were significantly associated with MACEs, whereas cIMT was not. When the new combined risk score was calculated by multiplying the cPS by the modified ACEF score, the freedom from MACEs at 5 years was 71% and 31% for the lower and higher scores, respectively (p＜0.001). The area under the receiver-operating characteristic curve for MACEs for the ACEF score, cPS, and combined risk score were 0.65, 0.66, and 0.71, respectively (p＜0.05).\nConclusion: The cPS offers an incremental predictive value when combined to the simple ACEF score in ACS.<br />This article distributed under the terms of the latest version of CC BY-NC-SA defined by the Creative Commons Attribution License.
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Nasti, Alessandro ; Sakai, Yoshio ; Seki, Akihiro ; Buffa, Geraldine Belen ; Komura, Takuya ; Mochida, Hatsune ; Yamato, Masatoshi ; Yoshida, Keiko ; Ho, Tuyen T. B. ; Takamura, Masayuki ; Usui, Soichiro ; Wada, Takashi ; Honda, Masao ; Kaneko, Shuichi ; 酒井, 佳夫 ; 餅田, 初音 ; 吉田, 佳子 ; 高村, 雅之 ; 薄井, 荘一郎 ; 和田, 隆志 ; 本多, 政夫 ; 金子, 周一
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金沢大学医薬保健研究域医学系<br />Stromal cells in adipose tissue are useful for repair/regenerative therapy as they harbor a substant
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ial number of mesenchymal stem cells; therefore, freshly isolated autologous uncultured adipose tissue derived stromal cells (u-ADSCs) are useful for regenerative therapy, and obviate the need for mesenchymal stem cells. We evaluated the therapeutic effect of murine u-ADSCs and sorted subsets of u-ADSCs in a concanavalin A (ConA) induced murine model of hepatitis, as well as their characteristics. We found that 10–20% of u-ADSCs expressed the CD45 leukocyte-related antigen. CD68, which is a marker of macrophages (MΦs), was expressed by 50% of CD45+ u-ADSCs. About 90% of CD68+CD45+ cells expressed CD206 antigen, which is a marker of inhibitory M2-type MΦs. Genes related to M2-type MUs were especially more highly expressed by CD45+CD206+ u-ADSCs than by CD45− u-ADSCs. CD45+ u-ADSCs inhibited the expression of cytokines/chemokines and suppressed the proliferation of splenocytes stimulated with ConA. We observed that not only whole u-ADSCs, but also the CD45+ subset of u-ADSCs ameliorated the ConA-induced hepatitis in mice. In conclusion, we show that freshly isolated murine u-ADSCs were effective against acute hepatitis, and CD45+ u-ADSCs acting phenotypically and functionally like M2-type MΦs, contributed to the repair of liver tissue undergoing inflammation. © 2017 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim<br />Embargo Period 12 months
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Takashima, Shinichiro ; Usui, Soichiro ; Inoue, Oto ; Goten, Chiaki ; Yamaguchi, Kosei ; Takeda, Yusuke ; Cui, Shihe ; Sakai, Yoshio ; Hayashi, Kenshi ; Sakata, Kenji ; Kawashiri, Masa-aki ; Takamura, Masayuki ; 高島, 伸一郎 ; 薄井, 荘一郎 ; 井上, 己音 ; 林, 研至 ; 川尻, 剛照 ; 高村, 雅之
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Cardiomyocyte regeneration is limited in adults. The adipose tissue-derived stromal vascular fraction (Ad-SVF) contains
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pluripotent stem cells that rarely transdifferentiate into spontaneously beating cardiomyocyte-like cells (beating CMs). However, the characteristics of beating CMs and the factors that regulate the differentiation of Ad-SVF toward the cardiac lineage are unknown. We developed a simple culture protocol under which the adult murine inguinal Ad-SVF reproducibly transdifferentiates into beating CMs without induction. The beating CMs showed the striated ventricular phenotype of cardiomyocytes and synchronised oscillation of the intracellular calcium concentration among cells on day 28 of Ad-SVF primary culture. We also identified beating CM-fated progenitors (CFPs) and performed single-cell transcriptome analysis of these CFPs. Among 491 transcription factors that were differentially expressed (≥ 1.75-fold) in CFPs and the beating CMs, myocyte-specific enhancer 2c (Mef2c) was key. Transduction of Ad-SVF cells with Mef2c using a lentiviral vector yielded CFPs and beating CMs with ~ tenfold higher cardiac troponin T expression, which was abolished by silencing of Mef2c. Thus, we identified the master gene required for transdifferentiation of Ad-SVF into beating CMs. These findings will facilitate the development of novel cardiac regeneration therapies based on gene-modified, cardiac lineage-directed Ad-SVF cells.
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高村, 雅之
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金沢大学医学部
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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 ; 川尻, 剛照 ; 寺本, 了太 ; 坂田, 憲治 ; 岡島, 正樹 ; 高村, 雅之 ; 井野, 秀一 ; 稲葉, 英夫 ; 山岸, 正和
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Background: Although acute coronary syndrome (ACS) and stroke are known to increase after earthquake, few data exist reg
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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
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大倉, 誓一郎 ; 高村, 雅之 ; 油谷, 伊佐央 ; 三田村, 康仁 ; 村井, 久純 ; 古荘, 浩司 ; 丸山, 美知郎 ; 阪上, 学 ; 金子, 周一 ; 高田, 重男
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吉澤, 尚 ; 湯浅, 豊司 ; 高村, 雅之 ; 長井, 英夫 ; 阪上, 学 ; 小林, 健一 ; 高田, 重男
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安間, 圭一 ; 森田, 裕子 ; 古荘, 浩司 ; 丸山, 美知郎 ; 佐伯, 隆広 ; 高村, 雅之 ; 湯浅, 豊司 ; 長井, 英夫 ; 勝木, 達夫 ; 阪上, 学 ; 小林, 健一 ; 高田, 重男 ; 臼田, 和生
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吉澤, 尚 ; 佐伯, 隆広 ; 丸山, 美知郎 ; 高村, 雅之 ; 居軒, 功 ; 湯浅, 豊司 ; 長井, 英夫 ; 織田, 裕之 ; 島倉, 淳泰 ; 阪上, 学 ; 小林, 健一 ; 高田, 重男
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篁, 俊成 ; 和田, 隆志 ; 酒井, 明人 ; 水腰, 英四郎 ; 高村, 雅之 ; 古市, 賢吾 ; 古荘, 浩司 ; 御簾, 博文 ; 金子, 周一
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