Cited by 112Mitochondrial Function and PathologyGenetics, Aging, and Longevity in Model OrganismsTelomeres, Telomerase, and Senescence

Mitochondrial DNA mutations and aging: devils in the details?

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Khrapko, Konstantin, Vijg, Jan·2009·Trends in Genetics

Abstract

Although several lines of evidence support a role for accumulating somatic mitochondrial DNA (mtDNA) mutations in the etiology of aging, it remains unclear if they are a major cause of age-related deterioration and death. Mouse models that harbor elevated mtDNA mutation frequencies age prematurely; these findings were thought to provide conclusive evidence for a causal role of such mutations in aging. Yet, the presence of several conflicting reports has sparked controversy in the field and this is further aggravated by discrepancies in the estimates of mtDNA mutant fractions, which disagree by orders of magnitude. Here, we briefly review the evidence and some of the unresolved questions surrounding a causative role for accumulating mtDNA mutations in aging.

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Authors
Khrapko, K., & Vijg, J.
Affiliations
  • Beth Israel Deaconess Medical Center (US)
  • Albert Einstein College of Medicine (US)
Corresponding author
  • Khrapko, Konstantin
  • Vijg, Jan
Venue
Trends in Genetics
Publisher
Elsevier BV
Published
2009-02
Volume
25
Issue
2
Pages
91-98
ISSN
0168-9525 (ISSN-L)
OpenAlex
W1996511649
Cited by
112
References
68
Citations by year
2026: 1 · 2025: 2 · 2024: 3 · 2023: 1 · 2022: 3 · 2021: 4 · 2020: 5 · 2019: 8 · 2018: 6 · 2017: 10 · 2016: 5 · 2015: 6 · 2014: 12 · 2013: 13 · 2012: 5
FWCI
0.69
Type
journal article
Language
en
Open access
Locations
  • Trends in Genetics (publishedVersion)
  • PubMed (publishedVersion)
  • PubMed Central (acceptedVersion)
Funders
  • Ellison Medical Foundation
  • United Mitochondrial Disease Foundation
  • National Institutes of Health
  • National Institute on Aging (AG 17242, R01AG020438, AG 20438, P01AG017242, AG19787, R01AG019787)
  • National Institute of Neurological Disorders and Stroke (NS058988, R01NS058988)
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Mitochondrial Function and Pathology
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Aging › Genetics, Aging, and Longevity in Model Organisms
  • Health Sciences › Medicine › Physiology › Telomeres, Telomerase, and Senescence
Keywords
mitochondrial DNA mutations, aging, premature aging, mouse model
MeSH terms
Aging, Animals, DNA, Mitochondrial, Humans, Mutation, Oxidation-Reduction, Phenotype, Phosphorylation, Stem Cells, Substantia Nigra, Cellular Senescence, Muscle, Skeletal, Mice

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