Cited by 405DNA Repair MechanismsGenetics, Aging, and Longevity in Model OrganismsTelomeres, Telomerase, and Senescence

Changes in DNA repair during aging

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Gorbunova, V., Seluanov, A., Mao, Z., Hine, C.·2007·Nucleic Acids Research

Abstract

DNA is a precious molecule. It encodes vital information about cellular content and function. There are only two copies of each chromosome in the cell, and once the sequence is lost no replacement is possible. The irreplaceable nature of the DNA sets it apart from other cellular molecules, and makes it a critical target for age-related deterioration. To prevent DNA damage cells have evolved elaborate DNA repair machinery. Paradoxically, DNA repair can itself be subject to age-related changes and deterioration. In this review we will discuss the changes in efficiency of mismatch repair (MMR), base excision repair (BER), nucleotide excision repair (NER) and double-strand break (DSB) repair systems during aging, and potential changes in DSB repair pathway usage that occur with age. Mutations in DNA repair genes and premature aging phenotypes they cause have been reviewed extensively elsewhere, therefore the focus of this review is on the comparison of DNA repair mechanisms in young versus old.

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Authors
Gorbunova, V., Seluanov, A., Mao, Z., & Hine, C.
Affiliations
University of Rochester (US)
Corresponding author
Gorbunova, V.
Venue
Nucleic Acids Research
Published
2007-11-26
Volume
35
Issue
22
Pages
7466-7474
ISSN
  • 0305-1048 (ISSN-L)
  • 1362-4962
OpenAlex
W2128084403
Cited by
405
References
111
Citations by year
2026: 30 · 2025: 39 · 2024: 27 · 2023: 23 · 2022: 17 · 2021: 30 · 2020: 36 · 2019: 21 · 2018: 23 · 2017: 25 · 2016: 19 · 2015: 17 · 2014: 15 · 2013: 16 · 2012: 10
FWCI
0.95
Type
journal article
Language
en
Open access
Locations
  • Nucleic Acids Research (publishedVersion, cc-by-nc)
  • PubMed Central (publishedVersion, cc-by-nc)
  • PubMed (publishedVersion)
Funders
  • Ellison Medical Foundation
  • National Institutes of Health
  • National Institute on Aging (R01AG027237, AG 027237)
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › DNA Repair Mechanisms
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Aging › Genetics, Aging, and Longevity in Model Organisms
  • Health Sciences › Medicine › Physiology › Telomeres, Telomerase, and Senescence
Keywords
DNA repair, aging, DNA mismatch repair, base excision repair, nucleotide excision repair, DNA double-strand break repair, DNA damage, premature aging
MeSH terms
Aging, Animals, DNA Repair, Humans, Mutation, Genomic Instability, Mice, DNA Breaks, Double-Stranded

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