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In 0 peer-reviewten Publikationen zu Chromatographie, organischer Synthese und Kreuzkupplungsreaktionen zitiert.
SCH79797 is a highly potent, selective nonpeptide protease activated receptor 1 (PAR1) antagonist. SCH79797 inhibits binding of a high-affinity thrombin receptor-activating peptide to PAR1 with an IC 50 of 70 nM and a K i of 35 nM. SCH79797 inhibits thrombin-induced platelet aggregation with an IC 50 of 3 μM. SCH79797 has antiproliferative and pro-apoptotic effects, and limits myocardial ischemia/reperfusion injury in rat hearts. SCH79797 also potently prevents PAR1 activation in vascular smooth muscle cells, endothelial cells, and astrocytes
In Vitro
SCH79797 inhibits high-affinity thrombin receptor-activating peptide ([ 3 H]haTRAP) binding in a competitive manner. SCH79797 inhibits α-thrombin- and haTRAP-induced aggregation of human platelets, but does not inhibit human platelet aggregation induced by the tethered ligand agonist for protease-activated receptor-4 (PAR-4), γ-thrombin, ADP, or collagen. Thrombin produces transient increases in cytosolic free Ca 2+ concentration ([Ca 2+ ] i ) in hCASMC. SCH79797 effectively inhibits this increase in [Ca 2+ ] i . SCH79797 completely inhibits Thrombin- and TK-stimulated [ 3 H]thymidine incorporation. SCH79797 is able to interfere with the growth of several human and mouse cell lines, in a concentration-dependent manner. The ED 50 for growth inhibition iss 75 nM, 81 nM and 116 nM for NIH 3T3, HEK 293 and A375 cells, respectively. In NIH 3T3 cells, SCH79797 inhibits serum-stimulated activation of p44/p42 mitogen-activated protein kinases (MAPK) at low concentrations and induces apoptosis at higher concentrations. MCE has not independently confirmed the accuracy of these methods. They are for reference only.
In Vivo
SCH79797 (2.5-250 μg/kg; intravenous injection; male Sprague Dawley rats) treatment immediately before or during ischemia reduces myocardial necrosis following I/R in the intact rat heart in two rat models of myocardial ischemia/reperfusion (I/R) injury. This response is dose-dependent with the optimal dose being 25 μg/kg. MCE has not independently confirmed the accuracy of these methods. They are for reference only. Animal Model: Male Sprague Dawley rats (8 weeks of age) with myocardial I/R injuryDosage: 2.5 μg/kg, 10 μg/kg, 25 μg/kg, 50 μg/kg, 100 μg/kg, and 250 μg/kg Administration: Intravenous injection Result: Immediately before or during ischemia reduced myocardial necrosis following I/R in the intact rat heart.
IC50& Target:Protease activated receptor 1 (PAR1), Apoptosis
Umfassendes Dokument zu Gefahren, Handhabung, Lagerung und Einhaltung regulatorischer Vorschriften.
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