Article
Why Females Live Longer Than Males: Control of Longevity by Sex Hormones
8 Jun 2005
Abstract excerpt
Females live longer than males in many species, including humans. We have traced a possible explanation for this phenomenon to the beneficial action of estrogens, which bind to estrogen receptors and increase the expression of longevity-associated genes, including those encoding the antioxidant enzymes superoxide dismutase and glutathione peroxidase. As a result, mitochondria from females produce fewer reactive...
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