| Literature DB >> 14722605 |
Norman E Sharpless1, Ronald A DePinho.
Abstract
Mammalian aging occurs in part because of a decline in the restorative capacity of tissue stem cells. These self-renewing cells are rendered malignant by a small number of oncogenic mutations, and overlapping tumor suppressor mechanisms (e.g., p16(INK4a)-Rb, ARF-p53, and the telomere) have evolved to ward against this possibility. These beneficial antitumor pathways, however, appear also to limit the stem cell life span, thereby contributing to aging.Entities:
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Year: 2004 PMID: 14722605 PMCID: PMC311439 DOI: 10.1172/JCI20761
Source DB: PubMed Journal: J Clin Invest ISSN: 0021-9738 Impact factor: 14.808