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[Purine receptors and associated signaling systems in regulation of platelet function].

Purine receptors of platelets play key role in hemostasis and thrombogenesis and they are used as targets for antiplatelet therapy. Platelets express three subtypes of purine receptors--P2X1, P2Y1 and P2Y12. The expression, ligands and sensitivity of purine receptors of platelets and their role in thrombogenesis are discussed in this article. Authors debate information about basic molecular mechanisms, links with intracellular signaling and biological effects of purine receptors activation. In conclusion, understanding of signaling mechanisms of purine receptors is a basis for further pharmacological strategy and effective antiplatelet therapy development.