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肌质网兰尼碱受体在心力衰竭中的作用 被引量:5

The function of ryanodine receptor in heart failure
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摘要 肌质网在心肌的舒缩功能中有重要作用 ,心力衰竭时其功能及组成蛋白发生变化 ,尤其是肌质网兰尼碱受体钙释放通道越来越受到重视。心力衰竭时兰尼碱受体通道过磷酸化使其与FKBP12 .6分子的结合能力下降 ,引起Ca2 + 信号传导的去耦联 ,兴奋 收缩耦联的丧失和舒张时肌质网的Ca2 + 释放等 ,可以导致心肌去极化和触发致死性的室性心律失常。β
作者 李荣 易岂建
出处 《国外医学(儿科学分册)》 2004年第5期279-280,F003,共3页 Foreign Medical Sciences(Section of Pediatrics)
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