Cited by 93Genetics, Aging, and Longevity in Model OrganismsEpigenetics and DNA MethylationGenomics and Chromatin Dynamics

Histone methylation and aging: Lessons learned from model systems

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McCauley, Brenna S., Dang, Weiwei·2014·Biochimica et Biophysica Acta (BBA) - Gene Regulatory Mechanisms

Abstract

Aging induces myriad cellular and, ultimately, physiological changes that cause a decline in an organism's functional capabilities. Although the aging process and the pathways that regulate it have been extensively studied, only in the last decade have we begun to appreciate that dynamic histone methylation may contribute to this process. In this review, we discuss recent work implicating histone methylation in aging. Loss of certain histone methyltransferases and demethylases changes lifespan in invertebrates, and alterations in histone methylation in aged organisms regulate lifespan and aging phenotypes, including oxidative stress-induced hormesis in yeast, insulin signaling in Caenorhabiditis elegans and mammals, and the senescence-associated secretory phenotype in mammals. In all cases where histone methylation has been shown to impact aging and aging phenotypes, it does so by regulating transcription, suggesting that this is a major mechanism of its action in this context. Histone methylation additionally regulates or is regulated by other cellular pathways that contribute to or combat aging. Given the numerous processes that regulate aging and histone methylation, and are in turn regulated by them, the role of histone methylation in aging is almost certainly underappreciated.

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Crossref · 10.1016/j.bbagrm.2014.05.008

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  • Increased levels of heterochromatin-associated proteins, including histone H2A variant macroH2A and HP1β, were observed in tissues from old versus young mice and primates.

    “and increased levels of the heterochromatin-associated proteins, including histone H2A variant macroH2A (associated with gene repression 67 ) and HP1 β , were observed in tissues from old versus young mice and primates 68,69 .”
  • Ageing cells have an altered heterochromatin composition, including high levels of histone H2A variant macroH2A and HP1β.

    “ageing cells have an altered heterochromatin composition, including high levels of histone H2A variant macroH2A and heterochromatin binding protein 1 (HP1 β) 68,69”

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Authors
McCauley, B. S., & Dang, W.
Affiliations
Baylor College of Medicine (US)
Corresponding author
Dang, Weiwei
Venue
Biochimica et Biophysica Acta (BBA) - Gene Regulatory Mechanisms
Publisher
Elsevier BV
Published
2014-12
Volume
1839
Issue
12
Pages
1454-1462
ISSN
1874-9399 (ISSN-L)
OpenAlex
W2023752776
Cited by
93
References
121
Citations by year
2026: 6 · 2025: 9 · 2024: 4 · 2023: 11 · 2022: 3 · 2021: 13 · 2020: 3 · 2019: 12 · 2018: 7 · 2017: 5 · 2016: 8 · 2015: 10 · 2014: 2
FWCI
0.93
Type
journal article
Language
en
Open access
Locations
  • Biochimica et Biophysica Acta (BBA) - Gene Regulatory Mechanisms (publishedVersion)
  • PubMed (publishedVersion)
  • PubMed Central (acceptedVersion)
Funders
  • Cancer Prevention and Research Institute of Texas
  • National Institutes of Health
  • National Institute on Aging (R00AG037646)
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Aging › Genetics, Aging, and Longevity in Model Organisms
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Epigenetics and DNA Methylation
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Genomics and Chromatin Dynamics
Keywords
histone methylation, aging, lifespan, histone methyltransferase, histone demethylase, insulin signaling, Caenorhabditis elegans, yeast, senescence-associated secretory phenotype, transcriptional regulation
MeSH terms
Histone Methyltransferases, Aging, Animals, Histones, Humans, Methylation, Models, Biological, Progeria, Histone-Lysine N-Methyltransferase, Protein Processing, Post-Translational, DNA Methylation

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