Cited by 77Mitochondrial Function and PathologyGenetics, Aging, and Longevity in Model OrganismsTelomeres, Telomerase, and Senescence

Toward understanding genomic instability, mitochondrial dysfunction and aging

Open access
Fakouri, Nima B., Hou, Yujun, Demarest, Tyler G., Christiansen, Louise S., Okur, Mustafa N., Mohanty, Joy G., Croteau, Deborah L., Bohr, Vilhelm A.·2019·The FEBS Journal

Abstract

The biology of aging is an area of intense research, and many questions remain about how and why cell and organismal functions decline over time. In mammalian cells, genomic instability and mitochondrial dysfunction are thought to be among the primary drivers of cellular aging. This review focuses on the interrelationship between genomic instability and mitochondrial dysfunction in mammalian cells and its relevance to age‐related functional decline at the molecular and cellular level. The importance of oxidative stress and key DNA damage response pathways in cellular aging is discussed, with a special focus on poly (ADP‐ribose) polymerase 1, whose persistent activation depletes cellular energy reserves, leading to mitochondrial dysfunction, loss of energy homeostasis, and altered cellular metabolism. Elucidation of the relationship between genomic instability, mitochondrial dysfunction, and the signaling pathways that connect these pathways/processes are keys to the future of research on human aging. An important component of mitochondrial health preservation is mitophagy, and this and other areas that are particularly ripe for future investigation will be discussed.

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  • Genomic instability, defective autophagy/mitophagy, and cellular senescence are intertwined with mitochondria-related inflammatory responses.

    “Genomic instability, defective autophagy/mitophagy, and cellular senescence, three major hallmarks of aging, are intertwined with mitochondria-related inflammatory responses (Figure 1) (66).”

    From Connecting aging biology and inflammation in the omics era (2022) · cites this paper as [66]

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Authors
Fakouri, N. B., Hou, Y., Demarest, T. G., Christiansen, L. S., Okur, M. N., Mohanty, J. G., Croteau, D. L., & Bohr, V. A.
Affiliations
National Institutes of Health (US)
Corresponding author
Bohr, Vilhelm A.
Venue
The FEBS Journal
Publisher
Wiley
Published
2018-10-08
Volume
286
Issue
6
Pages
1058-1073
ISSN
  • 1742-464X (ISSN-L)
  • 1742-4658
OpenAlex
W2892134972
Cited by
77
References
181
Citations by year
2026: 5 · 2025: 11 · 2024: 9 · 2023: 10 · 2022: 14 · 2021: 12 · 2020: 9 · 2019: 6 · 2018: 1
FWCI
0.69
Type
journal article
Language
en
Open access
Locations
  • FEBS Journal (publishedVersion, public-domain)
  • PubMed (publishedVersion)
Funders
National Institutes of Health
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
genomic instability, mitochondrial dysfunction, cellular aging, oxidative stress, DNA damage response, PARP1, energy homeostasis, cellular metabolism, mitophagy, age-related functional decline
MeSH terms
Aging, Animals, Energy Metabolism, Homeostasis, Humans, Mitochondria, Poly(ADP-ribose) Polymerases, Oxidative Stress, Genomic Instability, Mitophagy

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