线粒体醛脱氢酶对心脏保护作用的研究进展

被引:27
作者
何岚
彭军
机构
[1] 中南大学药学院药理学系
关键词
线粒体醛脱氢酶; 酒精性心肌病; 缺血/再灌注损伤; 硝酸甘油耐受; 4-羟基壬烯醛; 丙二醛;
D O I
暂无
中图分类号
R341 [];
学科分类号
摘要
线粒体醛脱氢酶(ALDH2)是醛脱氢酶的亚型之一,具有脱氢酶和酯酶等多种酶功能。体内乙醇、氨基酸、生物胺、维生素、类固醇及脂质的代谢过程中会产生众多醛类物质。ALDH2在辅助因子NAD(P)+的参与下将醛类物质脱氢成为相应的羧酸,对减轻醛类物质对机体的毒性作用具有重要意义。ALDH2发挥酯酶功能则不需要辅助因子,可将羧酸酯或者其他酸转化为相应的羧酸和醇。近年的研究表明,ALDH2酶活性的下降将加重酒精、缺血等多种因素引起的心肌损伤和促进硝酸甘油耐受的发生,因此针对ALDH2开发和研制特异性激动剂,将为心脏疾病的药物防治提供新思路。
引用
收藏
页码:1548 / 1551
页数:4
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