Interaction of BW A868C, a prostanoid DP-receptor antagonist, with two receptor subtypes in the rabbit isolated saphenous vein.

Abstract

In isolated rings of rabbit saphenous vein (RbSV) pre-contracted with 40 mM KCl, Prostaglandin E2 (PGE2), BW245C (a DP-receptor agonist) and PGD2 caused concentration-dependent relaxations with mean potencies (EC50) of 0.5, 38 and 114 nM respectively. The DP-receptor antagonist, BW A868C, antagonized BW245C concentration-effect (E/[A]) curves, although the… (More)

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