Cited by 313Mitochondrial Function and PathologyGenetics, Aging, and Longevity in Model OrganismsAutophagy in Disease and Therapy

Genetic and functional changes in mitochondria associated with aging

Ozawa, T.·1997·Physiological Reviews

Abstract

This review is devoted to the molecular genetics and bioenergetics of human mitochondria related to the mechanism of aging. Morphological and functional changes of mitochondria associated with age and age-related disease are overviewed with special reference to the changes in enzymes encoded by mitochondrial-inherent genome. The somatically acquired mutations and oxidative damage of the genome, which lead an individual to the fragmentation of mitochondrial DNA, cellular energy crisis, naturally occurring cell death (apoptosis), and tissue degeneration and atrophy, are reviewed with relation to the inherited point mutational genotypes and the deletion types of mitochondrial DNA. Theories of aging are discussed with disclosed evidence relevant to them. Some trials to prevent age-related damage in mitochondria are introduced for the development of what may be called mitochondrial medicine.

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Crossref · 10.1152/physrev.1997.77.2.425

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  • MtDNA oxidation renders mtDNA more susceptible to mutation because oxidized bases are misread during replication and lead to nucleotide substitutions.

    “MtDNA oxidation, in turn, renders mtDNA more susceptible to mutation because oxidized bases are misread during replication and this leads to nucleotide substitutions [118–120].”

    From Brain aging, Alzheimer's disease, and mitochondria (2011) · cites this paper as [119]

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Authors
Ozawa, T.
Affiliations
Nagoya University (JP)
Corresponding author
Ozawa, T.
Venue
Physiological Reviews
Published
1997-04-01
Volume
77
Issue
2
Pages
425-464
ISSN
  • 0031-9333 (ISSN-L)
  • 1522-1210
OpenAlex
W1950372811
Cited by
312
References
0
Citations by year
2026: 1 · 2025: 2 · 2024: 1 · 2022: 4 · 2021: 3 · 2020: 4 · 2018: 4 · 2017: 2 · 2016: 2 · 2015: 11 · 2014: 4 · 2013: 14 · 2012: 8
FWCI
7.72
Type
journal article
Language
en
Open access
closed
Locations
  • Physiological Reviews (publishedVersion)
  • PubMed (publishedVersion)
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 › Epidemiology › Autophagy in Disease and Therapy
Keywords
mitochondrial aging, mitochondrial DNA mutations, mitochondrial DNA deletions, mitochondrial bioenergetics, mitochondrial morphology, oxidative damage, apoptosis, age-related diseases, theories of aging, mitochondrial medicine
MeSH terms
Aging, Animals, DNA, Mitochondrial, Humans, Mitochondria, Models, Biological, Mutation

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