THE NOVEL INOSITOL LIPID PHOSPHATIDYLINOSITOL 3,4-BISPHOSPHATE IS PRODUCED BY HUMAN BLOOD-PLATELETS UPON THROMBIN STIMULATION

被引:61
作者
SULTAN, C [1 ]
BRETON, M [1 ]
MAUCO, G [1 ]
GRONDIN, P [1 ]
PLANTAVID, M [1 ]
CHAP, H [1 ]
机构
[1] HOP PURPAN,INSERM,U326,F-31059 TOULOUSE,FRANCE
关键词
D O I
10.1042/bj2690831
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
Radioactive PtdIns(3)P was detected in human platelets incubated with [32P]P(i), but remained unaffected by thrombin treatment. In contrast, [32P]PtdIns(3,4)P2 was absent from resting platelets, but was produced by thrombin-activated platelets in a dose- and time-dependent manner. [32P]PtdInsP3 was never found under these conditions. These changes are similar to those elicited in other cells by platelet-derived growth factor or the oncogene product pp60(c-src).
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页码:831 / 834
页数:4
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