Cited by 53Hematopoietic Stem Cell TransplantationTelomeres, Telomerase, and SenescenceMesenchymal stem cell research

Senescence and functional failure in hematopoietic stem cells

Open access
Chen, Jichun·2004·Experimental Hematology

Abstract

Maintaining normal function of hematopoietic stem cells (HSCs) is critical to blood coagulation, oxygen transportation, and host defense against infection. A potential cause of HSC dysfunction is senescence, in which HSCs and progenitor cells suffer from proliferative arrest. Studies on humans and various animal models have indicated that HSCs can become senescent, showing a significant decline in functional ability with increasing age. There are genetic elements mapped to specific chromosomal sites that regulate HSC senescence. These elements may differ among species, strains, and even individuals. HSC senescence and related pathological effects may not be obvious during normal lifetime under most circumstances since individual primitive HSC clones can function long-term to produce progeny that sustain life-long mature blood cell production. Shortening of telomeres at the chromosomal ends could contribute to HSC senescence, especially when HSCs are stressed under certain pathological conditions. Future studies should define the molecular elements that are important in the regulation of HSC senescence.

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Crossref · 10.1016/j.exphem.2004.08.001

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  • Many adult stem or progenitor cells do not proliferate indefinitely, whether mouse or human in origin.

    “However, many adult stem or progenitor cells do not proliferate indefinitely, whether mouse or human in origin (Geiger and Van Zant, 2002; Chen, 2004; Park et al., 2004; Villa et al., 2004).”

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Authors
Chen, J.
Affiliations
National Institutes of Health (US)
Corresponding author
Chen, Jichun
Venue
Experimental Hematology
Publisher
Elsevier BV
Published
2004-11
Volume
32
Issue
11
Pages
1025-1032
ISSN
0301-472X (ISSN-L)
OpenAlex
W2107768040
Cited by
53
References
76
Citations by year
2025: 1 · 2023: 1 · 2022: 2 · 2021: 1 · 2017: 3 · 2015: 2 · 2014: 1 · 2013: 2 · 2012: 6
FWCI
0.46
Type
journal article
Language
en
Open access
Locations
  • Experimental Hematology (publishedVersion)
  • PubMed (publishedVersion)
Topics
  • Health Sciences › Medicine › Hematology › Hematopoietic Stem Cell Transplantation
  • Health Sciences › Medicine › Physiology › Telomeres, Telomerase, and Senescence
  • Health Sciences › Medicine › Genetics › Mesenchymal stem cell research
Keywords
hematopoietic stem cells, cellular senescence, telomere shortening, aging, proliferative arrest, chromosomal loci, hematopoiesis, stem cell maintenance
MeSH terms
Animals, Clone Cells, Hematopoietic Stem Cells, Humans, Telomere, Cellular Senescence, Cell Proliferation

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