Cited by 115Telomeres, Telomerase, and SenescenceGenetics, Aging, and Longevity in Model OrganismsAntioxidant Activity and Oxidative Stress

Telomere shortening during aging: attenuation by antioxidants and anti-inflammatory agents

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Prasad, Kedar N., Wu, Meixia, Bondy, Stephen C.·2017·Mechanisms of Ageing and Development

Abstract

Telomeres are a repeated sequence -of bases found at the ends of chromosomes. In humans, this sequence is TTAGGG, which is repeated over 2000 times. Telomeres protect the ends chromosomes from fusion with nearby chromosomes, and allow effective replication of DNA. Each time a cell divides, 25-200 base pairs are lost from the terminal sequence of chromosomes. By becoming truncated during cell division, telomeres protect essential genes from being shortened and thus inactivated. In addition, telomeres are sensitive to inflammation and oxidative stress, which can further promote telomere shortening. Reduction in the length of telomeres leads to the cessation of cell division and thus cellular senescence and apoptosis. This review discusses evidence for the role of oxidative stress and inflammation in regulating the length of telomeres in mammalian cells during senescence. Evidence is presented suggesting that antioxidants and anti-inflammatories can reduce the pace of shortening of telomere length during aging. The distinctive properties of transformed cells suggest that treatment with such materials will have a deleterious rather than a protective effect on such abnormal cells.

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Crossref · 10.1016/j.mad.2017.04.004

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  • Interventions that reduce stress-related psychopathology effects or target telomere length may improve physical and mental health by attenuating telomere erosion or increasing telomerase activity.

    “Interventions designed to reduce the stress-related effects of psychopathology or target telomere length directly (e.g. exercise, meditation, and antioxidants) may engender positive effects on physical and mental health by attenuating telomere erosion and/or increasing telomerase activity.48–50”

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Authors
Prasad, K. N., Wu, M., & Bondy, S. C.
Affiliations
University of California, Irvine (US)
Corresponding author
Bondy, Stephen C.
Venue
Mechanisms of Ageing and Development
Publisher
Elsevier BV
Published
2017-06
Volume
164
Pages
61-66
ISSN
0047-6374 (ISSN-L)
OpenAlex
W2606918260
Cited by
115
References
62
Citations by year
2026: 3 · 2025: 14 · 2024: 15 · 2023: 13 · 2022: 15 · 2021: 17 · 2020: 13 · 2019: 11 · 2018: 11 · 2017: 2
FWCI
1.24
Type
journal article
Language
en
Open access
Locations
  • Mechanisms of Ageing and Development (publishedVersion)
  • PubMed (publishedVersion)
  • eScholarship (California Digital Library) (submittedVersion)
Topics
  • Health Sciences › Medicine › Physiology › Telomeres, Telomerase, and Senescence
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Aging › Genetics, Aging, and Longevity in Model Organisms
  • Health Sciences › Medicine › Biochemistry › Antioxidant Activity and Oxidative Stress
Keywords
telomere shortening, aging, oxidative stress, inflammation, antioxidants, anti-inflammatory agents, cellular senescence, apoptosis, telomere length, transformed cells, TTAGGG repeats
MeSH terms
Aging, Animals, Anti-Inflammatory Agents, Antioxidants, Humans, Telomere, Cellular Senescence, Apoptosis, Oxidative Stress, Telomere Homeostasis

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