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It is classified as a research chemical intended solely for in vitro and preclinical research use

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They are found in the pancreas (where they regulate insulin secretion), the stomach (where they slow gastric emptying), the brain (where they influence appetite and satiety), and the cardiovascular system (where they affect heart rate and blood pressure)

This nuclear localization in elderly Leydig cells correlated with reduced expression of 3-HSD, a crucial enzyme for testosterone synthesis, suggesting a link between nuclear FOXO4 and age-related decline in testosterone production [2]