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不同牵张刺激对豚鼠胃窦环行肌细胞电压依赖性钙电流的影响

许文燮, 李英, 吴龙仁, 李在琉

延边大学医学院生理学教研室.吉林,延吉 133000；延边大学医学院附属医院传染科.吉林,延吉 133000

摘要

细胞膜牵张增强电压依赖性钙通道的活性,而这一作用可能与牵拉引起的细胞所受的膜张力或/和牵拉的方向有关。

关键词： 钙电流; 胃窦环行肌细胞; 牵张

Effects of different kinds of stretch on voltage-dependent calcium current in antrial circular smooth muscle cells of the guinea-pig

Xu Wenxie, Li Ying, Wu Longren, Li Zailiu

Department of Physiology,College of Medicine,Yanbian University.Yanji 133000,Jilin；China

Abstract

The results suggest that the cell membrane stretch can increase voltage-dependent calcium channel activity and the effect of stretch on calcium channels was related to the membrane tension and/or the direction of membrane stretch.

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引用本文：

许文燮, 李英, 吴龙仁, 李在琉. 不同牵张刺激对豚鼠胃窦环行肌细胞电压依赖性钙电流的影响[J]. 生理学报 2000; 52 (1): .

Xu Wenxie, Li Ying, Wu Longren, Li Zailiu. Effects of different kinds of stretch on voltage-dependent calcium current in antrial circular smooth muscle cells of the guinea-pig. Acta Physiol Sin 2000; 52 (1): (in Chinese with English abstract).