KLOTHO—Tinerete fara batranete si viata fara de moarte.

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KLOTHO—Tinerete fara batranete si viata fara de moarte.

Postby morpheus2rhyme » Thu Sep 08, 2005 12:28 am

Rezumat al unui articol din revista Science:
" Suppression of Aging in Mice by the Hormone Klotho

A defect in Klotho gene expression in mice accelerates the degeneration of multiple age-sensitive traits. Here we show that overexpression of Klotho in mice extends life span. Klotho protein functions as a circulating hormone that binds to a cell-surface receptor and represses intracellular signals of insulin and insulin-like growth factor-1 (IGF1), an evolutionarily conserved mechanism for extending life span. Alleviation of aging-like phenotypes in Klotho-deficient mice was observed by perturbing insulin/IGF1 signaling, suggesting that Klotho-mediated inhibition of insulin/IGF1 signaling contributes to its anti-aging properties. Klotho protein may function as an anti-aging hormone in mammals."
(Published online 25 August 2005,[DOI: 10.1126/science.1112766])
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