Reduced thromboxane receptor affinity and vasoconstrictor responses in placentae from diabetic pregnancies.

Abstract

Thromboxane has been implicated in the pathogenesis of maternal hypertension in high-risk pregnancies, but potential abnormalities in thromboxane-mediated constriction of fetoplacental vessels has not been examined. Using the isolated perfused fetoplacental cotyledon, we compared the vasoconstrictor responses to a thromboxane mimetic, U46619, in placentae… (More)

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