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  • Title: Different effects of cycloheximide and chloramphenicol on corticosterone production by isolated rat adrenal cells.
    Author: Falke HE, Huijmans JG, Degenhart HJ.
    Journal: Mol Cell Endocrinol; 1976 May; 4(5):331-9. PubMed ID: 181283.
    Abstract:
    Cycloheximide and chloramphenicol both inhibit the stimulating effect of adenocorticotropic hormone (ACTH) on adrenal steroid production. To test whether these inhibitors had andy effect on adrenal steroid production, independent fromthe mechanism of action of ACTH we investigated their effect on the conversion of 25-hydroxycholesterol into corticosterone in isolated rat adrenal cells. Cycloheximide, both in the absence and in the presence of ACTH, had no effect on this conversion. Chloramphenicol inhibited the conversion of 25-hydroxycholesterol into corticosterone whether ACTH has no direct efeect on the cholesterol side-chain cleaving system. The inhibition by chloramphenicol of the ACTH-stimulated steroid production is at least partly due to inhibition of one or more of the processes involved in the conversion of 25-hydroxycholesterol into corticosterone.
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