Cited by 96T-cell and B-cell ImmunologyGenetics, Aging, and Longevity in Model OrganismsHematopoietic Stem Cell Transplantation

Lymphocyte maintenance during healthy aging requires no substantial alterations in cellular turnover

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Westera, Liset, van Hoeven, Vera, Drylewicz, Julia, Spierenburg, Gerrit, van Velzen, Jeroen F., de Boer, Rob J., Tesselaar, Kiki, Borghans, José A. M.·2015·Aging Cell

Abstract

In healthy humans, lymphocyte populations are maintained at a relatively constant size throughout life, reflecting a balance between lymphocyte production and loss. Given the profound immunological changes that occur during healthy aging, including a significant decline in T-cell production by the thymus, lymphocyte maintenance in the elderly is generally thought to require homeostatic alterations in lymphocyte dynamics. Surprisingly, using in vivo (2) H2 O labeling, we find similar dynamics of most lymphocyte subsets between young adult and elderly healthy individuals. As the contribution of thymic output to T-cell production is only minor from young adulthood onward, compensatory increases in peripheral T-cell division rates are not required to maintain the T-cell pool, despite a tenfold decline in thymic output. These fundamental insights will aid the interpretation of further research into aging and clinical conditions related to disturbed lymphocyte dynamics.

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  • Daily turnover of naive CD4+ and CD8+ T cells remains stable at about 0.04% throughout adulthood, with no apparent compensatory increase in homeostatic proliferation with age.

    “Daily turnover rates of naive CD4+ and CD8+ T cells are stable throughout adulthood at about 0.04%, with no apparent need for compensatory increase in homeostatic proliferation with age.”

    From Successful and Maladaptive T Cell Aging (2017) · cites this paper as Westera et al., 2015

  • In later life, naive CD8+ T cells accelerate turnover.

    “Only in later life, naive CD8+ T cells accelerate their turnover”

    From Successful and Maladaptive T Cell Aging (2017) · cites this paper as Westera et al., 2015

  • In young adults the thymus contributes only 16% of total T cell generation, and in older individuals thymic contribution falls below 1%, so they rely almost entirely on peripheral proliferation.

    “Even in young adults, the thymus contributes only 16% of total T cell generation. Thymic contribution declines further to <1% in older individuals who therefore nearly exclusively rely on peripheral proliferation to repopulate T cells”

    From Successful and Maladaptive T Cell Aging (2017) · cites this paper as Westera et al., 2015

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Authors
Westera, L., van Hoeven, V., Drylewicz, J., Spierenburg, G., van Velzen, J. F., de Boer, R. J., Tesselaar, K., & Borghans, J. A. M.
Affiliations
  • University Medical Center Utrecht (NL)
  • Laboratory of Translational Immunology; Department of Immunology; University Medical Center Utrecht; Lundlaan 6 3584 EA Utrecht The Netherlands
  • Utrecht University (NL)
  • Theoretical Biology and Bioinformatics; Department of Biology; Utrecht University; Padualaan 8 3584 CH Utrecht The Netherlands
Corresponding author
Borghans, José A. M.
Venue
Aging Cell
Publisher
Wiley
Published
2015-01-28
Volume
14
Issue
2
Pages
219-227
ISSN
1474-9718 (ISSN-L)
OpenAlex
W2104316302
Cited by
96
References
50
Citations by year
2026: 7 · 2025: 9 · 2024: 2 · 2023: 11 · 2022: 7 · 2021: 16 · 2020: 4 · 2019: 13 · 2018: 6 · 2017: 9 · 2016: 8 · 2015: 3 · 2013: 1
FWCI
4.26
Type
journal article
Language
en
Open access
Locations
  • Aging Cell (publishedVersion, cc-by)
  • PubMed Central (publishedVersion, cc-by)
  • PubMed (publishedVersion)
  • Utrecht University Repository (Utrecht University) (submittedVersion, other-oa)
Funders
  • Landsteiner Foundation for Blood Transfusion Research (0812)
  • Netherlands Organization for Scientific Research (917.96.350, 836.07.002)
  • Virgo consortium (BB.000342.1)
Topics
  • Life Sciences › Immunology and Microbiology › Immunology › T-cell and B-cell Immunology
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Aging › Genetics, Aging, and Longevity in Model Organisms
  • Health Sciences › Medicine › Hematology › Hematopoietic Stem Cell Transplantation
Keywords
lymphocyte homeostasis, healthy aging, lymphocyte turnover, thymic output, T cell production, lymphocyte dynamics
MeSH terms
Aged, Aging, Deuterium, Female, Flow Cytometry, Homeostasis, Humans, Male, T-Lymphocytes, Water, Young Adult

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