Do DNA Double-Strand Breaks Drive Aging?

Ryan R. White, Jan Vijg

Research output: Contribution to journalReview article

38 Citations (Scopus)

Abstract

DNA double-strand breaks (DSBs) are rare, but highly toxic, lesions requiring orchestrated and conserved machinery to prevent adverse consequences, such as cell death and cancer-causing genome structural mutations. DSBs trigger the DNA damage response (DDR) that directs a cell to repair the break, undergo apoptosis, or become senescent. There is increasing evidence that the various endpoints of DSB processing by different cells and tissues are part of the aging phenotype, with each stage of the DDR associated with specific aging pathologies. In this Perspective, we discuss the possibility that DSBs are major drivers of intrinsic aging, highlighting the dynamics of spontaneous DSBs in relation to aging, the distinct age-related pathologies induced by DSBs, and the segmental progeroid phenotypes in humans and mice with genetic defects in DSB repair. A model is presented as to how DSBs could drive some of the basic mechanisms underlying age-related functional decline and death.

Original languageEnglish (US)
Pages (from-to)729-738
Number of pages10
JournalMolecular Cell
Volume63
Issue number5
DOIs
StatePublished - Sep 1 2016

Fingerprint

Double-Stranded DNA Breaks
DNA Damage
Pathology
Phenotype
Poisons
Cell Death
Genome
Apoptosis
Mutation
Neoplasms

ASJC Scopus subject areas

  • Molecular Biology
  • Cell Biology

Cite this

Do DNA Double-Strand Breaks Drive Aging? / White, Ryan R.; Vijg, Jan.

In: Molecular Cell, Vol. 63, No. 5, 01.09.2016, p. 729-738.

Research output: Contribution to journalReview article

White, Ryan R. ; Vijg, Jan. / Do DNA Double-Strand Breaks Drive Aging?. In: Molecular Cell. 2016 ; Vol. 63, No. 5. pp. 729-738.
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