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Thrombin receptor (also designated protease-activated receptor-1 or PAR-1), PAR-2 and PAR-3 compose a distinct class of G protein-coupled receptors activated by proteolysis. Cleavage of these receptors by proteases occurs within the amino-terminal extracellular domain. Thrombin, a serine protease involved in platelet aggregation and blood coagulation, activates the thrombin receptor, resulting in elevated intracellular calcium levels in platelets. Thrombin also cleaves PAR-3 in vitro, suggesting that PAR-3 may be involved in thrombosis or mitogenesis. Thrombin receptor and PAR-4 appear to account for most thrombin signaling in platelets. Activation of PAR-2 in vitro is induced by trypsin, suggesting that PAR-2 is not an alternative thrombin receptor (2,6). Cytokines including TNF-α and IL-1β increase PAR-2 expression, indicating PAR-2 involvement in the acute inflammatory response.
Ordering Information
Product Name | Catalog # | UNIT | Price | Qty | FAVORITES | |
PAR-2 Antibody (3G233) | sc-71842 | 200 µg/ml | $310.00 | |||
PAR-2 Antibody (3G233): m-IgG Fc BP-HRP Bundle | sc-539416 | 200 µg Ab; 10 µg BP | $348.00 | |||
PAR-2 Antibody (3G233): m-IgG2a BP-HRP Bundle | sc-546700 | 200 µg Ab; 10 µg BP | $348.00 |