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Biol Chem. 2000 May-Jun;381(5-6):389-96.

The role of heterotrimeric G proteins in platelet activation.

Author information

  • Institut für Pharmakologie, Freie Universität Berlin, Germany.

Abstract

Activation of platelets plays a central role in hemostasis as well as in various thromboembolic diseases like myocardial infarction or stroke. Most platelet activating stimuli function through receptors which couple to heterotrimeric G proteins of the Gi, Gq and G12 families. Recent studies have elucidated the roles of individual G proteins in the regulation of platelet functions like shape change, aggregation and granule secretion. The signaling pathways mediated by heterotrimeric G proteins operate synergistically to induce a full activation of platelets. This review summarizes recent progress in the understanding of upstream regulation of platelet activation through G protein-coupled receptors.

PMID:
10937869
[PubMed - indexed for MEDLINE]
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