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1. CD68 and MCP-1/CCR2 expression of initial biopsies reflect the outcomes of membranous nephropathy
Yoshimoto, Keiichi ; 吉本, 敬一
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取得学位 : 博士（医学）, 学位授与番号 : 医博乙第1604号, 学位授与年月日 : 平成17年3月2日, 学位授与大学 : 金沢大学
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Iwata, Yasunori ; Wada, Takashi ; Yokoyama, Hitoshi ; Toyama, Tadashi ; Kitajima, Shinji ; Okumura, Toshiya ; Hara, Akinori ; Yamahana, Junya ; Nakaya, Izaya ; Kobayashi, Motoo ; Kitagawa, Kiyoki ; Kokubo, Satoshi ; Yoshimoto, Keiichi ; Shimizu, Kazuaki ; Sakai, Norihiko ; Furuichi, Kengo ; Koshino, Yoshitaka ; Takaeda, Chikako ; Takeda, Shinichi ; Takasawa, Kazuya ; Ohta, Satoshi ; Takaeda, Masayoshi ; Kaneko, Shuichi
概要:
金沢大学保健管理センター<br />金沢大学大学院医学系研究科<br />金沢大学附属病院<br />Background: In hemodialysis patients, adynamic bone disease has been
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reported to be closely associated with low levels of parathyroid hormone (PTH) due to exposure to high levels of serum calcium following the administration of calcium carbonate (CaCO3) or vitamin D agents. This study was conducted to clarify the therapeutic effect of a non-calcemic phosphate binder, sevelamer hydrochloride (sevelamer), for hypoparathyroidism in hemodialysis patients with or without diabetes mellitus. Methods: Based on entry criteria, 40 Japanese chronic hemodialysis patients (22 males and 18 females with a mean age of 60.6, 14 diabetic patients and 26 non-diabetic patients) were switched from CaCO3 to sevelamer for 48 weeks. Serum calcium, phosphate, intact (i) PTH and PTH-(1-84) were analyzed. Bone remodeling activity was evaluated by determining intact osteocalcine (iOC), bone-specific alkaline phosphatase (BAP). Results: The switch from CaCO3 to sevelamer significantly decreased the serum levels of calcium, resulting in the elevation of iPTH levels from 31±18 pg/mL to 95±96 pg/mL by 48 weeks. In contrast, serum phosphate levels remained similar to those in patients with CaCO3 treatment. Concomitantly, the levels of BAP and iOC were elevated. Further, these beneficial effects on bone turnover were observed in both diabetic and non-diabetic patients. Conclusion: Sevelamer reduced the calcium concentration and thereby increased PTH levels, resulting in the improvement of markers of bone turnover. The administration of sevelamer is of therapeutic benefit for the improvement of bone remodeling activity even in hemodialysis patients with diabetes. © 2007 The Japanese Society of Internal Medicine.
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Iwata, Yasunori ; Wada, Takashi ; Furuichi, Kengo ; Kitagawa, Kiyoki ; Kokubo, Satoshi ; Kobayashi, Motoo ; Sakai, Norihiko ; Yoshimoto, Keiichi ; Shimizu, Miho ; Kobayashi, Kenichi ; Yokoyama, Hitoshi
概要:
金沢大学医薬保健研究域医学系<br />Objective. KL-6 is reported to be excreted from the lung alveolar and bronchial epithelial cells and
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may be a good marker for monitoring disease activity of interstitial pneumonia. This study was designed to ascertain the clinical significance of serum KL-6 levels in interstitial pneumonia associated with anti-neutrophil cytoplasmic antibody (ANCA)-related vasculitis. Methods. Serum KL-6 levels were determined by an enzyme-linked immunosorbent assay. Patients. We examined 20 healthy subjects, 13 patients with perinuclear (myeloperoxidase, MPO) ANCA-related vasculitis and 12 dermatomyositis (DM)/polymyositis (PM) patients as disease controls in this study. Six out of 13 patients with ANCA-related vasculitis had interstitial pneumonia. Results. Serum levels of KL-6 in ANCA-positive patients with interstitial pneumonia were significantly elevated, while they remained as low as those of healthy subjects in ANCA- positive patients without interstitial pneumonia. Similarly, KL-6 levels in sera were higher in 12 dermatomyositis/polymyositis patients with interstitial pneumonia, while they remained low in DM/PM patients without interstitial pneumonia. Moreover, the elevated serum KL-6 level was reduced during the convalescence induced by glucocorticoid therapy and reflected the disease activity of interstitial pneumonia associated with ANCA-related vasculitis. Conclusion. These data suggest that the measurement of serum KL-6 levels may be a good monitoring system for the diagnosis and follow-up of interstitial pneumonia of patients with ANCA-related vasculitis.
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