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β细胞凋亡与2型糖尿病 被引量:9

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摘要 2型糖尿病 β细胞凋亡增加。首先 β细胞内胰淀素沉积 ,通过细胞膜毒性作用导致细胞凋亡。其次高血糖通过调节β细胞Βcl家族水平、白介素 (IL) 1β/核因子 κΒ和己糖胺介导的路径 ,游离脂肪酸通过神经酰胺、Caspase、Βcl 2、过氧化物体增殖物活化受体介导的路径诱导 β细胞凋亡。此外 ,高糖和游离脂肪酸还存在共同通路———氧化应激 ,且二者具有协同效应。了解 2型糖尿病胰岛 β细胞凋亡的机制 ,对深入认识糖尿病的发病机制和致病过程 ,更好地防治 2型糖尿病具有重要意义。
出处 《国外医学(内分泌学分册)》 2005年第1期22-25,共4页 Foreign Medical Sciences(Section of Endocrinology)
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