Induced Ca2+ release in skeletal muscle sarcoplasmic reticulum by sulfhydryl reagents and chlorpromazine.
Induced Ca2+ release in skeletal muscle sarcoplasmic reticulum by sulfhydryl reagents and chlorpromazine.
复制标题
巯基试剂和氯丙嗪诱导骨骼肌肌浆网中 Ca2 释放。
DOI:
10.1016/0003-9861(83)90164-9
复制
发表时间:
1983
影响因子:
3.9
通讯作者:
Fleischer,S
中科院分区:
文献类型:
--
作者:
Bindoli,A;Fleischer,S
Sarcoplasmic reticulum is a specialized membrane system in muscle involved in the energized uptake, storage, and release of Ca2+. The sulfhydryl content of normal and reconstituted sarcoplasmic reticulum was measured using Ellman reagent. For both preparations, we find 17 and 26 mol sulfhydryls per mole calcium pump protein assayed in the absence and presence of sodium dodecyl sulfate. The release of Ca2+from sarcoplasmic reticulum, which triggers muscle contraction, likely involves the regulation of a channel. This report deals with an experimental approach to studying the Ca2+release in isolated sarcoplasmic reticulum. We find that sulfhydryl agents of which water-soluble mercurials were most effective induce Ca2+release. Chlorpromazine acts synergistically with the sulfhydryl reagents. Ca2+release under optimal conditions is very rapid compared with calcium leakage from preloaded but untreated sarcoplasmic reticulum. The imposed rapid release of Ca2+is suggestive of the opening of a channel. Ca2+release by mercurials is retained in reconstituted sarcoplasmic reticulum membrane vesicles.
登录
查看更多内容
影响因子:
2.7
作者:
K. Nagasaki;M. Kasai
通讯作者:
M. Kasai
DOI:
--
发表时间:
1980
期刊:
Journal of Biochemistry (Tokyo)
影响因子:
--
作者:
M. Kawakita;K. Yasuoka;Y. Kaziro
通讯作者:
Y. Kaziro
影响因子:
6.1
作者:
G. Inesi;N. Malan
通讯作者:
N. Malan
DOI:
10.1016/s0021-9258(17)37990-5
发表时间:
1978
期刊:
The Journal of biological chemistry
影响因子:
--
作者:
S. Yamada;N. Ikemoto
通讯作者:
N. Ikemoto
影响因子:
5.3
作者:
A. Takagi
通讯作者:
A. Takagi