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瘦素与脂肪肝 被引量:14

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摘要 大量研究显示瘦素在脂肪肝的形成中起重要作用。瘦素缺乏或作用障碍不仅使下丘脑分泌的神经肽Y水平升高,导致高胰岛素血症,机体内脂肪增多;而且瘦素抵抗可通过上调固醇调节元件结合蛋白-1的表达引起肝脏脂肪化的发生;同时高瘦素血症也可引起胰岛素抵抗,改变肝细胞内胰岛素的信号转导途径使肝细胞内脂肪酸增加。另外,瘦素通过放大选择性炎性介质反应使肝脏脂肪化。
作者 张丽 陆颖理
出处 《国外医学(内分泌学分册)》 2004年第1期65-67,共3页 Foreign Medical Sciences(Section of Endocrinology)
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