摘要
牵张可引起心肌细胞内钙的变化 ,主要表现为钙浓度的增高。其机制十分复杂 ,目前认为 ,钠、钙离子交换 ,肌浆网对钙离子的储存与释放 ,通过牵张敏感性离子通道和L 型钙通道的钙离子内流以及自分泌 旁分泌机制等可能在其中扮演了重要角色。
出处
《中国心脏起搏与心电生理杂志》
2004年第3期221-223,共3页
Chinese Journal of Cardiac Pacing and Electrophysiology
基金
国家自然科学基金资助项目 (批准号 :3 0 2 70 5 5 9)
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