大鼠心肌化学去表皮纤维在力产生过程中的钙结合
Calcium binding in chemically skinned fibers of rat myocardium during force development.
作者信息
Veksler V I
出版信息
Experientia. 1987 Apr 15;43(4):389-91. doi: 10.1007/BF01940421.
PMID:3569486
Abstract
The amount of bound calcium and force were measured in chemically skinned rat myocardial fibers during isometric contraction at different concentrations of free Ca2+. The data obtained suggest that calcium binding by cardiac myofibrils is cooperative and probably depends on mechanical tension.
摘要
在不同游离钙离子浓度下的等长收缩过程中，对化学去膜大鼠心肌纤维中的结合钙量和张力进行了测量。所获得的数据表明，心肌肌原纤维对钙的结合具有协同性，并且可能取决于机械张力。
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