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Previous studies have established that cardiomyocytes express protease-activated receptor (PAR)-1, a high-affinity receptor for thrombin, which is also activated by the tethered-ligand domain sequence (SFLLRN) and which promotes inositol trisphosphate accumulation, stimulates extracellular signal-regulated protein kinase, and modulates contractile function.(More)
Tissue-type plasminogen activator (tPA) mRNA is stored, stable and untranslated, in the cytoplasm of fully grown primary mouse oocytes. Dormancy is associated with an unusually short poly(A) tail, and poly(A) tail elongation controls tPA mRNA translational activation during meiotic maturation. Here we show that the nuclear transcript of this mRNA is(More)
Protease-activated receptor-2 (PAR-2) is a seven-transmembrane G protein-coupled receptor that possesses a structure and activation mechanism similar to those of the thrombin receptor. It is activated by low concentrations of trypsin (300 pM) and a synthetic hexapeptide [sequence of serine, leucine, isoleucine, glycine, arginine, leucine (SLIGRL), the(More)
OBJECTIVE Recently, mice made deficient in growth arrest-specific gene 6 product (Gas6) or in which Gas6 gene expression was inhibited were shown to have platelet dysfunction and to be less susceptible to thrombosis. The aim of this study was to define and characterize the relevant Gas6 receptor or receptors involved in platelet function. METHODS AND(More)
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