April 2019 in “Journal of the Endocrine Society” This study found that in male mouse pancreatic islet β cells, testosterone enhances glucose-stimulated insulin secretion by being locally converted into dihydrotestosterone and estradiol.
In this study, researchers explored ubiquitination patterns in healthy human skin and CYLD cutaneous syndrome tumors, identifying extensive ubiquitin sites and differential protein ubiquitination linked to tumor pathology, highlighting the role of ubiquitination in tissue architecture and disease mechanisms.
August 2013 in “Fertility and sterility” This study suggests that metformin might serve as a diagnostic and therapeutic option to distinguish insulin resistance-related ovarian testosterone excess from a testosterone-secreting tumor in women with virilization.
202 citations
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January 1989 in “Journal of Clinical Investigation” This study indicates that insulin changes sex hormone levels in insulin-resistant women with polycystic ovary syndrome without affecting gonadotropin release, challenging the idea that hyperinsulinemia directly causes hyperandrogenism in PCO.
34 citations
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March 2009 in “British journal of dermatology/British journal of dermatology, Supplement” In this study, l-Ascorbic acid 2-phosphate was found to stimulate hair follicle growth in vitro by promoting IGF-1 expression via the PI3K pathway.