Cited by 129HIV Research and TreatmentTelomeres, Telomerase, and SenescenceHIV-related health complications and treatments

Telomere Length, Telomerase Activity, and Replicative Potential in HIV Infection: Analysis of CD4+ and CD8+T Cells from HIV-discordant Monozygotic Twins

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Palmer, Larry D., Weng, Nan-ping, Levine, Bruce L., June, Carl H., Lane, H. Clifford, Hodes, Richard J.·1997·The Journal of Experimental Medicine

Abstract

To address the possible role of replicative senescence in human immunodeficiency virus (HIV) infection, telomere length, telomerase activity, and in vitro replicative capacity were assessed in peripheral blood T cells from HIV+ and HIV− donors. Genetic and age-specific effects on these parameters were controlled by studying HIV-discordant pairs of monozygotic twins. Telomere terminal restriction fragment (TRF) lengths from CD4+ T cells of HIV+ donors were significantly greater than those from HIV− twins. In contrast, telomere lengths in CD8+ T cells from HIV+ donors were shorter than in HIV− donors. The in vitro replicative capacity of CD4+ cells from HIV+ donors was equivalent to that of HIV− donors in response to stimulation through T cell receptor CD3 and CD28. Little or no telomerase activity was detected in freshly isolated CD4+ or CD8+ lymphocytes from HIV+ or HIV− donors, but was induced by in vitro stimulation of both HIV+ and HIV− donor cells. These results suggest that HIV infection is associated with alterations in the population dynamics of both CD4+ and CD8+ T cells, but fail to provide evidence for clonal exhaustion or replicative senescence as a mechanism underlying the decline in CD4+ T cells of HIV-infected donors.

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Authors
Palmer, L. D., Weng, N.-P., Levine, B. L., June, C. H., Lane, H. C., & Hodes, R. J.
Affiliations
National Institutes of Health (US)
Venue
The Journal of Experimental Medicine
Published
1997-04-07
Volume
185
Issue
7
Pages
1381-1386
ISSN
  • 0022-1007 (ISSN-L)
  • 1540-9538
OpenAlex
W2114119969
Cited by
129
References
20
Citations by year
2026: 1 · 2024: 2 · 2022: 1 · 2021: 3 · 2019: 1 · 2018: 4 · 2017: 3 · 2016: 2 · 2015: 1 · 2014: 3 · 2013: 5 · 2012: 2
FWCI
5.96
Type
journal article
Language
en
Open access
Locations
  • The Journal of Experimental Medicine (publishedVersion)
  • PubMed Central (publishedVersion, cc-by-nc-sa)
  • PubMed (publishedVersion)
Topics
  • Life Sciences › Immunology and Microbiology › Virology › HIV Research and Treatment
  • Health Sciences › Medicine › Physiology › Telomeres, Telomerase, and Senescence
  • Health Sciences › Medicine › Emergency Medicine › HIV-related health complications and treatments
Keywords
HIV infection, telomere length, telomerase activity, replicative senescence, CD4+ T cells, CD8+ T cells, terminal restriction fragments, CD4+ T cell decline
MeSH terms
Adult, Cells, Cultured, Humans, Lymphocyte Activation, Middle Aged, Twins, Monozygotic, CD4-Positive T-Lymphocytes, HIV Infections, T-Lymphocyte Subsets, Telomere, Cellular Senescence, CD8-Positive T-Lymphocytes, Telomerase

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