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Review
. 2020 Feb;30(2):117-132.
doi: 10.1016/j.tcb.2019.12.001. Epub 2020 Jan 6.

Protecting the Aging Genome

Michael A Petr  1 , Tulika Tulika  1 , Lina M Carmona-Marin  1 , Morten Scheibye-Knudsen  2
Affiliations
Free article
Review

Protecting the Aging Genome

Michael A Petr et al. Trends Cell Biol. 2020 Feb.
Free article

Abstract

Mounting evidence suggests that DNA damage plays a central role in aging. Multiple tiers of defense have evolved to reduce the accumulation of DNA damage, including reducing damaging molecules, repairing DNA damage, and inducing senescence or apoptosis in response to persistent DNA damage. Mutations in or failure of these pathways can lead to accelerated or premature aging and age-related decline in vital organs, supporting the hypothesis that maintaining a pristine genome is paramount for human health. Understanding how we cope with DNA damage could inform on the aging process and further on how deficient DNA maintenance manifests in age-related phenotypes. This knowledge may lead to the development of novel interventions promoting healthspan.

Keywords: DNA damage; DNA repair; aging; aging interventions; progeria.

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