INHIBITION OF A RECEPTOR-OPERATED CALCIUM-CHANNEL IN PIG AORTIC MICROSOMES BY CYCLIC GMP-DEPENDENT PROTEIN-KINASE

被引:21
作者
BLAYNEY, LM
GAPPER, PW
NEWBY, AC
机构
关键词
D O I
10.1042/bj2730803
中图分类号
Q5 [生物化学]; Q7 [分子生物学];
学科分类号
071010 ; 081704 ;
摘要
We have further characterized a putative receptor-operated Ca2+ channel that is activated by histamine and guanosine 5'-[beta-gamma-imido]triphosphate. Insensitivity to verapamil, diltiazem or nicardipine, but inhibition by Ni2+ and SK&F 96365, further identify the channel with receptor-mediated Ca2+ entry in intact cells. Inhibition of the channel by cyclic-GMP-dependent protein kinase may contribute to vascular relaxation in response to nitrovasodilators.
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页码:803 / 806
页数:4
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