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Biochem Biophys Res Commun. 1989 Feb 28;159(1):192-9.

Local stimulation of prostaglandin production by corticotropin-releasing hormone in human fetal membranes and placenta.

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Lawson Research Institute, St. Joseph's Health Centre, Dept. of Obstetrics & Gynecology, London, Ontario, Canada.


Corticotropin-releasing hormone is produced by the human placenta and fetal membranes, but its physiological significance is not established. We examined the possibility that CRH might affect prostaglandin output by these intra-uterine tissues. Primary cultures of amnion, chorion, decidua and placenta were established from tissue obtained from women at term elective cesarean section were maintained in the presence of increasing concentrations of synthetic hCRH. PG output at 48h was measured by radioimmunoassay. hCRH stimulated PGE2 output by amnion, chorion and placenta, but not by decidual tissue. PGF2 alpha output was stimulated in amnion, decidua and placenta but not chorion, whereas output of 13, 14-dihydro-15-keto PGF2 alpha was stimulated in all four tissues. We conclude that hCRH stimulates prostaglandin output by human placenta, decidua and the fetal membranes, raising the possibility of paracrine or autocrine interactions between CRH and prostaglandins in vivo.

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