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. 1987 Sep;80(3):896–899. doi: 10.1172/JCI113149

Human chorionic gonadotropin and 8-bromo cyclic adenosine monophosphate promote an acute increase in cytochrome P450scc and adrenodoxin messenger RNAs in cultured human granulosa cells by a cycloheximide-insensitive mechanism.

T G Golos, W L Miller, J F Strauss 3rd
PMCID: PMC442318  PMID: 3624492

Abstract

Treatment of human granulosa cells with human chorionic gonadotropin (hCG) or an analogue of its second messenger, cyclic AMP (cAMP), promotes a rapid accumulation of the messenger RNAs (mRNAs) for cytochrome P450 side-chain cleavage (scc) and adrenodoxin. A twofold increase in the cellular content of these mRNAs was observed within 4 h of exposure to 8-bromo-cAMP, and was maintained for up to 48 h. Inhibition of protein synthesis by cycloheximide did not prevent the hCG- or 8-bromo-cAMP-stimulated accumulation of either cytochrome P450scc or adrenodoxin mRNAs. We conclude that human granulosa cells respond rapidly to hCG and cAMP analogues with a coordinate increase in levels of the mRNAs encoding two key proteins of the steroidogenic machinery, and that this stimulation does not require synthesis of a protein intermediate.

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Selected References

These references are in PubMed. This may not be the complete list of references from this article.

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