Stereoselective and non-stereoselective effects of D 600 (methoxyverapamil) in smooth muscle preparations.

Abstract

Mechanical responses in guinea-pig ileal longitudinal, rat vasa deferentia and rat portal vein smooth muscle strips elicited by receptor activation (muscarinic or alpha-adrenergic) or by K+ depolarization were blocked by D 600 (methoxyverapamil). Stereoselectivity was observed with the (-)-enantiomer being more potent than the (+)-enantiomer (the ratio… (More)

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