Differential sensitivity of human platelet P2X1 and P2Y1 receptors to disruption of lipid rafts.


ATP-stimulated P2X1 and ADP-stimulated P2Y1 receptors play important roles in platelet activation. An increase in intracellular Ca2+ represents a key signalling event coupled to both of these receptors, mediated via direct gating of Ca2+-permeable channels in the case of P2X1 and phospholipase-C-dependent Ca2+ mobilisation for P2Y1. We show that disruption… (More)


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