Abstract
Ovarian granulosa cells collected from small antral follicles from immature rats were cultured in McCoy's 5A medium, for 3–6 days in the presence of gD 4-androstenedione, testosterone, dihydrotesterone, and dehydroepiandrosterone (10 −5 M and 10 −7 M). Granulosa cells examined by electron microscopy demonstrated many lipid droplets, mitochondria with tubular cristae and profiles of smooth endoplasmic reticulum, all suggestive of active metabolism in the cell. Cells cultured in androstenedione, testosterone, dihydrotestosterone and dehydroepiandrosterone produced estrogen and progesterone as measured by radioimmunoassay. By day 4, cells cultured in androgen had almost completely degenerated. The control cells acquired none of the aforementioned characteristics and survived up to beyond 6 days, at which time the experiments were terminated. This study supports the hypothesis that high concentrations of androgens in cultured granulosa cells contribute to their degeneration through altered structure, which is associated with functional change.
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