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“… progesterone … dexamethasone inhibited NO production under the same culture conditions, neither agent blocked the production of particles stimulated by the NO donors dipropylenetriamine NONOate {(z)-1-[…-ammoniopropyl)amino] diazen-1-ium-1,2-diolate} and (z)-1-[(2-aminoethyl)-N-(2-ammonioethyl)amino] diazen-1-ium-1,2-diolate.”
“At an equal concentration, the degree of growth inhibition of PC‐3 cells by mifepristone or progesterone was partially diminished by simultaneous exposure to Dex.”
“Preincubation with a 100-fold excess of progesterone reversed the growth inhibition observed with triamcinolone acetonide but not dexamethasone acetate.”
“Cortisol, corticosterone, and progesterone competed with dexamethasone for binding, whereas estradiol, dihydrotestosterone, and 11-epicortisol competed very little.”
“The inhibitory effect of progesterone could be imitated by the GC and progesterone receptor (PR) antagonist RU-486, but not by the specific PR antagonist PF-02413873, indicating that progesterone acts as a competitive antagonist of DXM.”
“When to become pregnant, treatment with hydrocortisone or dexamethasone can limit the production of adrenal androgens and progesterone and improves spontaneous pregnancy rates while minimizing the risk of miscarriage, which is usually relatively high in this disease.”
Biological & pharmaceutical bulletin • 2014 | View Paper
“Conclusion:3-Methylcholanthrene, phenobarbital or dexamethasone could interfere with the synthesis of cortisol, aldosterone and progesterone in primary human fetal adrenal cortical cells, which likely act through xenobiotic metabolizing-related cytochrome P450 isoform activation.”
“ Dexamethasone enhanced the productions of cortisol and progesterone remarkably.”