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Inhibition of progesterone action by a factor in human follicular fluid
1Center for Biomedical Research, Population Council, New York, New York.
Hormone and Metabolic Research = Hormon- Und Stoffwechselforschung = Hormones Et Metabolisme
|June 1, 1993
Abstract:
A factor was found in human follicular fluid that blocked progesterone-stimulated net uptake of 45Ca2+ in human sperm and progesterone-induced maturation of Xenopus oocyte. The factor was partially purified by ultrafiltration through PM-10 membrane and gel filtration on Sephadex G-25 column. The active fraction is effective at a concentration of 200 micrograms/ml. The present findings suggest that hFF factor may regulate the metabolism of progesterone sensitive cells.