Title : The focal adhesion kinase Pyk2 links Ca2+ signalling to Src family kinase activation and protein tyrosine phosphorylation in thrombin-stimulated platelets.

Pub. Date : 2015 Jul 15

PMID : 25967238






3 Functional Relationships(s)
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1 The focal adhesion kinase Pyk2 links Ca2+ signalling to Src family kinase activation and protein tyrosine phosphorylation in thrombin-stimulated platelets. Tyrosine coagulation factor II Mus musculus
2 In blood platelets, stimulation of G protein-coupled receptors (GPCRs) by thrombin triggers the activation of Src family kinases (SFKs), resulting in the tyrosine-phosphorylation of multiple substrates, but the mechanism underlying this process is still poorly understood. Tyrosine coagulation factor II Mus musculus
3 These results indicate that in thrombin-stimulated platelets, stimulation of Pyk2 by intracellular Ca(2+) initiates SFK activation, establishing a positive loop that reinforces the Pyk2/SFK axis and allows the subsequent massive tyrosine phosphorylation of multiple substrates required for platelet aggregation. Tyrosine coagulation factor II Mus musculus