Resveratrol inhibits androgen production of human adrenocortical H295R cells by lowering CYP17 and CYP21 expression and activities

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Resveratrol inhibits androgen production of human adrenocortical H295R cells by lowering CYP17 and CYP21 expression and activities

Resveratrol, a natural compound found in grapes, became very popular for its suggested protective effects against aging. It was reported to have similar positive effects on the human metabolism as caloric restriction. Recently, positive effects of resveratrol on steroid biosynthesis in cell systems and in humans suffering from polycystic ovary syndrome have also been reported, but the exact mec...

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Pioglitazone inhibits androgen production in NCI-H295R cells by regulating gene expression of CYP17 and HSD3B2.

Thiazolidinediones (TZDs) such as pioglitazone and rosiglitazone are widely used as insulin sensitizers in the treatment of type 2 diabetes. In diabetic women with polycystic ovary syndrome, treatment with pioglitazone or rosiglitazone improves insulin resistance and hyperandrogenism, but the mechanism by which TZDs down-regulate androgen production is unknown. Androgens are synthesized in the ...

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CAMP-dependent protein kinase enhances CYP17 transcription via MKP-1 activation in H295R human adrenocortical cells.

Steroid hormone biosynthesis in the adrenal cortex is controlled by adrenocorticotropin (ACTH), which increases intracellular cAMP, resulting in the activation of cAMP-dependent protein kinase(PKA) and subsequent increase in steroidogenic gene transcription. We have found that a dual-specificity phosphatase is essential for conveying ACTH/cAMP-stimulated transcription of several steroidogenic g...

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PCB126 induces differential changes in androgen, cortisol, and aldosterone biosynthesis in human adrenocortical H295R cells.

Dioxins and polychlorinated biphenyls (PCBs) have been shown to accumulate in the adrenal glands when incorporated into the body. However, the impacts of exposure on adrenal steroidogenesis have not been thoroughly investigated. In this study, we demonstrated that dioxin-like PCB126 altered androgen, cortisol, and aldosterone biosynthesis differentially in human adrenocortical H295R cells. PCB1...

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ژورنال

عنوان ژورنال: PLOS ONE

سال: 2017

ISSN: 1932-6203

DOI: 10.1371/journal.pone.0174224