Cited by 107Hematopoietic Stem Cell TransplantationTelomeres, Telomerase, and SenescenceMesenchymal stem cell research

Immunoaging induced by hematopoietic stem cell aging

Wang, Jianwei, Geiger, Hartmut, Rudolph, K Lenhard·2011·Current Opinion in Immunology

Abstract

Hematopoietic stem cells (HSCs) generate all known hematopoietic lineages and self-renew, but the function of HSCs declines during aging, which is characterized as impairments of lymphopoiesis and enhanced myelopoiesis. These aging-associated changes correlate with an increasing risk of myelo-proliferative diseases and impairments in immune function. Recent studies showed that only a subpopulation of HSCs contains a high capacity to undergo lymphoid differentiation but this subpopulation is lost during aging, which contributes to age-related impairments in lymphopoiesis. On the basis of the observations that DNA damage and telomere dysfunction can impair stem cell function, it is possible that accumulation of DNA damage results in the loss of subpopulations of HSCs that are required for the maintenance of lymphopoiesis and immune functions during aging.

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Crossref · 10.1016/j.coi.2011.05.004

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51 of 51 references verified0 citation errors · 0 not checkable

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  • The proportion of CD56bright NK cells appears reduced in the elderly, likely due to impaired production of new NK cells from the bone marrow.

    “The proportion of CD56bright NK cells appears to be reduced in the elderly, which is likely the consequence of an impaired production of new NK cells with advanced age, due to a lower output from the bone marrow [98].”
  • The innate immune response declines with age.

    “The innate immune response also declines with age.”
  • Changes in innate cell numbers occur with age, with skewing of haematopoiesis towards the myeloid lineages.

    “There are changes in innate cell numbers, with skewing of haematopoiesis towards the myeloid lineages [93,94].”

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Authors
Wang, J., Geiger, H., & Rudolph, K. L.
Affiliations
  • Universität Ulm (DE)
  • Cincinnati Children's Hospital Medical Center (US)
Corresponding author
Rudolph, K Lenhard
Venue
Current Opinion in Immunology
Publisher
Elsevier BV
Published
2011-08
Volume
23
Issue
4
Pages
532-536
ISSN
0952-7915 (ISSN-L)
OpenAlex
W2170352596
Cited by
107
References
51
Citations by year
2026: 3 · 2025: 5 · 2024: 5 · 2023: 4 · 2022: 6 · 2021: 5 · 2020: 4 · 2019: 8 · 2018: 12 · 2017: 9 · 2016: 6 · 2015: 7 · 2014: 11 · 2013: 12 · 2012: 10
FWCI
1.41
Type
journal article
Language
en
Open access
closed
Locations
  • Current Opinion in Immunology (publishedVersion)
  • PubMed (publishedVersion)
Funders
  • Deutsche Forschungsgemeinschaft
  • Deutsche Krebshilfe
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 cell aging, immunosenescence, lymphocyte development, myelopoiesis, myeloproliferative neoplasms, DNA damage, telomere dysfunction, lymphoid differentiation, immune function decline
MeSH terms
Signaling Lymphocytic Activation Molecule Family Member 1, Aging, Animals, Cell Division, Clone Cells, DNA Damage, Hematopoietic Stem Cells, Humans, Myeloproliferative Disorders, Receptors, Cell Surface, Thymus Gland, Antigens, CD, Lymphocyte Subsets, Telomere, Reactive Oxygen Species, Cell Lineage, Lymphopoiesis, Myelopoiesis, Mice, Immunity, Humoral

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