Linking functional decline of telomeres, mitochondria and stem cells during ageing

Ergün Sahin, Ronald A. Depinho

Research output: Contribution to journalReview articlepeer-review

582 Scopus citations

Abstract

The study of human genetic disorders and mutant mouse models has provided evidence that genome maintenance mechanisms, DNA damage signalling and metabolic regulation cooperate to drive the ageing process. In particular, age-associated telomere damage, diminution of telomere 'capping' function and associated p53 activation have emerged as prime instigators of a functional decline of tissue stem cells and of mitochondrial dysfunction that adversely affect renewal and bioenergetic support in diverse tissues. Constructing a model of how telomeres, stem cells and mitochondria interact with key molecules governing genome integrity, 'stemness' and metabolism provides a framework for how diverse factors contribute to ageing and age-related disorders.

Original languageEnglish (US)
Pages (from-to)520-528
Number of pages9
JournalNature
Volume464
Issue number7288
DOIs
StatePublished - Mar 25 2010
Externally publishedYes

ASJC Scopus subject areas

  • General

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