血管紧张素在培养乳鼠心肌细胞肥大发生中的作用

被引:11
作者
田斌
卢兴
陈雁群
程薇
机构
[1] 西安医科大学病理生理教研室,西安医科大学病理生理教研室,西安医科大学病理生理教研室,西安医科大学病理生理教研室
关键词
血管紧张素; 心肌; 肥大;
D O I
暂无
中图分类号
学科分类号
摘要
本实验观察到血管紧张素Ⅰ、Ⅱ(AngⅠ、AngⅡ)均可促进培养的乳鼠心肌细胞(MC)DNA、RNA和蛋白质的合成。并发现随着AngⅠ和AngⅡ作用时间的延长,对MC的RNA和蛋白质合成的促进作用也逐渐增强,而对其DNA合成的促进作用则有一定的时间界限。此外,还发现在AngⅠ和AngⅡ长期作用下可使MC体积增大。当AngⅠ和血管紧张素转换酶(ACE)抑制剂同时加入培养基,则无上述结果发生。这提示血管紧张素可能在心肌肥大的发生中起一定作用,而且AngⅠ是通过MC本身的ACE将其转化为AngⅡ后才起作用的。
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页码:1 / 4
页数:4
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