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.
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August 2020 in “Diabetes” This study found that testosterone enhances insulin secretion in human pancreatic islets by being converted into DHT and E2, processes that are necessary for this effect.
This study found that testosterone enhances glucose-stimulated insulin secretion in male and female human islets through its conversion to DHT and E2, a process disrupted by 5α-reductase and aromatase inhibitors.
This study found that testosterone enhances glucose-stimulated insulin secretion in male and female human islets, requiring conversion to DHT and E2 via SRD5A1 and aromatase.