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AN ENDOGENOUS INHIBITOR OF PROTEIN KINASE-C IN THE PSEUDOPREGNANT RAT OVARY

被引：21
作者：
EYSTER, KM
机构：
[1] Department of Physiology, Pharmacology University of South Dakota, Vermillion
来源：
BIOCHEMICAL AND BIOPHYSICAL RESEARCH COMMUNICATIONS | 1990年 / 168卷 / 02期
关键词：
D O I：
10.1016/0006-291X(90)92364-6
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：
Removal of contaminating proteins from rat ovarian cytosol by DEAE chromatography results in a 358% recovery of protein kinase C activity. The data suggest that rat ovaries contain an endogenous inhibitor of protein kinase C whose activity dominates that of protein kinase C in the cytosol. The inhibitor is specific for protein kinase C and does not activate the enzyme through proteolysis. This endogenous inhibitor may be important in the hormonal control of protein kinase C in the rat ovary, and may become an important tool in the study of the role of protein kinase C in other cell functions. © 1990.
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页码：609 / 615
页数：7
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