Cited by 9Hematopoietic Stem Cell TransplantationGenetics, Aging, and Longevity in Model OrganismsTelomeres, Telomerase, and Senescence

Proliferation: Driver of HSC aging phenotypes?

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Yanai, Hagai, Beerman, Isabel·2020·Mechanisms of Ageing and Development

Abstract

The decline of stem cell performance with age is a potential paramount mechanism of aging. Hematopoietic stem cells (HSCs) are perhaps the most studied and best characterized tissue-specific somatic stem cells. As such, HSCs offer an excellent research model of how aging affects stem cell performance, and vice versa. Studies from recent years have elucidated major aging phenotypes of HSCs including a decline in reconstitution potential, altered differentiation predisposition, an increase in number, accumulation of DNA damage/mutations and several others. However, what drives these changes, and exactly how they translate to pathology is poorly understood. Recent studies point to proliferative stress of HSCs as a potential driver of their aging and the resulting pathologies. Here we discuss the recent discoveries and suggest the context in which aging phenotypes could be driven, and the relevant mechanisms by which HSCs could be affected.

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  • Other stem cell subpopulations lose quiescence and become abnormally activated, particularly in blood and muscle.

    “Other stem cell subpopulations lose quiescence and become abnormally activated, particularly in blood and muscle12,35,44.”

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Authors
Yanai, H., & Beerman, I.
Affiliations
National Institutes of Health (US)
Corresponding author
Yanai, Hagai
Venue
Mechanisms of Ageing and Development
Publisher
Elsevier BV
Published
2020-10
Volume
191
Pages
111331
ISSN
0047-6374 (ISSN-L)
OpenAlex
W3049256100
Cited by
9
References
68
Citations by year
2025: 2 · 2024: 1 · 2023: 4 · 2022: 2
FWCI
0.24
Type
journal article
Language
en
Open access
Locations
  • Mechanisms of Ageing and Development (publishedVersion)
  • PubMed (publishedVersion)
  • PubMed Central (acceptedVersion)
Funders
  • National Institutes of Health
  • National Institute on Aging
Topics
  • Health Sciences › Medicine › Hematology › Hematopoietic Stem Cell Transplantation
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Aging › Genetics, Aging, and Longevity in Model Organisms
  • Health Sciences › Medicine › Physiology › Telomeres, Telomerase, and Senescence
Keywords
hematopoietic stem cells, stem cell aging, HSC proliferation, DNA damage accumulation, somatic aging
MeSH terms
Animals, Cell Differentiation, DNA Damage, Hematopoietic Stem Cells, Humans, Cellular Senescence, Cell Proliferation

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