Characterization of dilator prostanoid receptors in the fetal rabbit ductus arteriosus.


The purpose of this study was to determine which receptors mediate the dilator effects of prostaglandins (PGs) on the ductus arteriosus of the fetal rabbit. Isolated rings of the vessel from fetal New Zealand White rabbits were precontracted with indomethacin (1 microM) and potassium (25 mM) in 100 to 110 mmHg oxygen, and the dilator effects of a range of… (More)


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