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Clopidogrel is an effective antiplatelet agent useful for the treatment of ischemic cerebrovascular, cardiac, and peripheral arterial disease. Clopidogrel abolishes the inhibitory P2Y(AC) receptor-mediated ADP effects on prostaglandin E(1)-stimulated, cAMP-dependent phosphorylation of VASP without affecting epinephrine, thrombin, and thromboxane signaling. VASP phosphorylation is known to be closely correlated with the inhibition of platelet and fibrinogen receptor (glycoprotein IIb/IIIa) activation. Therefore, inhibition of the platelet P2Y(AC) ADP receptor and its intracellular signaling, including decreased VASP phosphorylation, is suggested as a molecular mechanism of clopidogrel action. Clopidogrel ingestion reduced the thrombus volume significantly (p < 0.05) at 100 and 2600 s-1 (39 and 51% respectively). clopidogrel reduced significantly the fibrinopeptide A plasma levels and the fibrin deposition at shear rates below 650 s-1. Clopidogrel therapy resulted in a significant reduction in soluble CD40 ligand (p=0.03), a pro-thrombotic and pro-inflammatory molecule derived mainly from activated platelets. However, clopidogrel therapy had no effect on endothelial function, arterial stiffness, inflammatory and oxidative stress markers, or progenitor cells.
| Molecular Weight | 419.9 |
| Formula | C16H16ClNO2S.H2SO4 |
| CAS Number | 120202-66-6 |
| Solubility (25°C) | DMSO 60 mg/mL Water 60 mg/mL |
| Storage |
Powder -20°C 3 years ; 4°C 2 years In solvent -80°C 6 months ; -20°C 1 month |
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