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Endocrinology, Vol 100, 128-133, Copyright © 1977 by Endocrine Society

ARTICLES

Progesterone production by cultured preantral rat granulosa cells? Stimulation by androgens

AW Lucky, JR Schreiber, SG Hillier, JD Schulman and GT Ross

Progesterone (P) production by isolated rat granulosa cells from preantral follicles was enhanced by addition of androgens to the tissue culture medium. Testosterone (T) at 10(-7), 10(-6), and 10(-4)M as well as 10(-6)M dihydrotestosterone (DHT) increased P production 400 to 700% over paired control cultures. Human chorionic gonadotropin (100 mIU/ml) and 17beta-estradiol (7.8 X 10(-10M) had no effect on P production. P was identified by both a specific radioimmunoassay and sephadex LH-20 column chromatography. The stimulatory influence of T and DHT on these preantral follicular cells is consistent with a direct role for androgens in granulosa cell differentiation.


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