The platelet P2Y₁₂ receptor for adenosine diphosphate: congenital and drug-induced defects.

Abstract excerpt

P2Y₁₂, the G(i)-coupled platelet receptor for adenosine diphosphate (ADP), plays a central role in platelet function. Patients with congenital P2Y₁₂ defects display a mild to moderate bleeding diathesis, characterized by mucocutaneous bleedings and excessive post-surgical and post-traumatic blood loss. Defects of P2Y₁₂ should be suspected when ADP, even at high concentrations (≥ 10 μM), is unable to induce full,...

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