从兔快速骨骼肌中纯化的肌浆网囊泡中的钙诱导钙释放。
Calcium-induced calcium release in sarcoplasmic reticulum vesicles purified from rabbit fast skeletal muscle.
作者信息
Kupsaw R, Louis C F, Katz A M
出版信息
Basic Res Cardiol. 1980 Jan-Feb;75(1):13-7. doi: 10.1007/BF02001388.
PMID:7387596
Abstract
Addition of small amounts of CaCl2 can induce calcium release from calcium-filled sarcoplasmic reticulum vesicles. The time of onset and rate of calcium release in the vesicular preparations, which occurs when ionized Ca2+ in the medium is increased from less than 1 microM to 3-5 microM, are considerably slower than in skinned muscle fiber preparations.
摘要
添加少量氯化钙可诱导钙离子从充满钙的肌浆网囊泡中释放。当培养基中的游离钙离子浓度从低于1微摩尔/升增加到3 - 5微摩尔/升时，囊泡制剂中钙离子释放的起始时间和速率比在去皮肌纤维制剂中要慢得多。
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