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- W2028490033 startingPage "243" @default.
- W2028490033 abstract "Long-lived animals have evolved a robust set of defenses to maintain genomic integrity over their entire lifespan. The DNA damage response and DNA repair pathways are critical pillars of organismal defenses, minimizing somatic mutations in both post-mitotic and mitotic cells. These genomic maintenance systems not only prevent the premature emergence of cancers but may also maintain normal tissue function and organismal longevity. Genetic defects in a number of DNA repair and DNA damage response genes often leads to a dramatic increase in cancer incidence; in other cases, premature aging or progeroid syndromes may be induced. In this review, we discuss two recent reports of two nucleotide excision repair-deficient models that exhibit dramatic premature aging and shortened longevity. The DNA repair defects were also associated with a significant inhibition of the growth hormone/insulin-like growth factor 1 (GH/IGF-1) axis, an endocrine signaling pathway shown to influence aging and longevity in both vertebrates and invertebrates. Potential mechanisms of how DNA damage might affect IGF-1 signaling and aging are discussed, with a particular emphasis on the role of such signaling alterations in the adult tissue stem cell compartments." @default.
- W2028490033 created "2016-06-24" @default.
- W2028490033 creator A5057730060 @default.
- W2028490033 creator A5072921765 @default.
- W2028490033 date "2008-05-01" @default.
- W2028490033 modified "2023-10-16" @default.
- W2028490033 title "How does suppression of IGF-1 signaling by DNA damage affect aging and longevity?" @default.
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