Title : Myristoylated alanine-rich C kinase substrate phosphorylation is involved in thrombin-induced serotonin release from platelets.

Pub. Date : 2001 Mar

PMID : 11260059






4 Functional Relationships(s)
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1 Myristoylated alanine-rich C kinase substrate phosphorylation is involved in thrombin-induced serotonin release from platelets. Serotonin coagulation factor II, thrombin Homo sapiens
2 Stimulation of platelets by thrombin induces protein kinase C (PKC) activation, phosphorylation of pleckstrin, aggregation and serotonin release. Serotonin coagulation factor II, thrombin Homo sapiens
3 Here, we demonstrate that, in human platelets, thrombin stimulation also induced phosphorylation of the myristoylated alanine-rich C kinase substrate (MARCKS) and serotonin release in intact and digitonin-permeabilized platelets. Serotonin coagulation factor II, thrombin Homo sapiens
4 MARCKS phosphorylation and serotonin release in response to increasing concentrations of thrombin have a similar EC50 and time course and, in permeabilized platelets, peptide MPSD, with an amino acid sequence corresponding to the phosphorylation site domain of MARCKS, blocked both responses. Serotonin coagulation factor II, thrombin Homo sapiens