Cited by 171T-cell and B-cell ImmunologyImmunotherapy and Immune ResponsesHIV Research and Treatment

Memory T Cells Constitute a Subset of the Human CD8+CD45RA+ Pool with Distinct Phenotypic and Migratory Characteristics

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Faint, Jeffery M, Annels, Nicola E, Curnow, S John, Shields, Philip, Pilling, Darrell, Hislop, Andrew D, Wu, Lijun, Akbar, Arne N +5 more·2001·The Journal of Immunology

Abstract

Using HLA class I-viral epitope tetramers to monitor herpes virus-specific CD8+ T cell responses in humans, we have shown that a significant fraction of responding cells revert from a CD45RO+ to a CD45RA+ state after priming. All tetramer-binding CD45RA+ cells, regardless of epitope specificity, expressed a phenotype LFA-1highCCR7low that was stable for at least 10 years in infectious mononucleosis patients and indefinitely in asymptomatic carriers. CD8+CD45RA+LFA-1high cells were not present in cord blood but in adults account for up to 50% of CD8+CD45RA+ cells. These CD45RA+LFA-1high cells have significantly shorter telomeres than CD45RA+LFA-1low cells, suggesting that the latter represent a naive population, while the former are memory cells. CD45RA+ memory cells are a stable population of noncycling cells, but on stimulation they are potent producers of IFN-γ, while naive CD8+ cells produce only IL-2. The chemokine receptor profile and migratory potential of CD45RA+ memory cells is very similar to CD45RO+ cells but different to naive CD8 cells. In accord with this, CD45RA+ memory cells were significantly underrepresented in lymph nodes, but account for virtually all CD8+CD45RA+ T cells in peripheral tissues of the same individuals.

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Crossref · 10.4049/jimmunol.167.1.212

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  • Since the patients are adults, the increase in naïve CD8+ T-cells over 2 years may suggest thymic-independent recovery or the generation of a stable CD45RA+ memory cell subset from the CD45RO+ pool, also described in patients receiving checkpoint blockade.

    “Since the patients are adults, the increase in naïve CD8+ T-cells over 2 years may suggest thymic-independent recovery [39], or the generation of a stable CD45RA+ memory cell subset from the CD45RO+ pool [43], also described in patients receiving checkpoint blockade [24].”

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Authors
Faint, J. M., Annels, N. E., Curnow, S. J., Shields, P., Pilling, D., Hislop, A. D., Wu, L., Akbar, A. N., Buckley, C. D., Moss, P. A. H., Adams, D. H., Rickinson, A. B., & Salmon, M.
Affiliations
  • University of Birmingham/Medical Research Council Centre for Immune Regulation, University of Birmingham , Birmingham ,
  • University of Birmingham (GB)
  • Takeda Oncology (United States) (US)
  • The Royal Free Hospital (GB)
Corresponding author
  • Shields, Philip
  • Pilling, Darrell
  • Salmon, Mike
Venue
The Journal of Immunology
Published
2001-07-01
Volume
167
Issue
1
Pages
212-220
ISSN
  • 0022-1767 (ISSN-L)
  • 1550-6606
OpenAlex
W2113168773
Cited by
171
References
41
Citations by year
2026: 2 · 2025: 2 · 2024: 2 · 2023: 3 · 2022: 2 · 2020: 2 · 2019: 3 · 2018: 6 · 2017: 1 · 2015: 7 · 2014: 8 · 2013: 1 · 2012: 6
FWCI
5.72
Type
journal article
Language
en
Open access
Locations
  • The Journal of Immunology (publishedVersion)
  • PubMed (publishedVersion)
  • University of Birmingham Research Portal (University of Birmingham) (publishedVersion)
  • Open Research (University of Surrey) (submittedVersion)
  • UCL Discovery (University College London) (submittedVersion)
  • Surrey Research Insight Open Access (The University of Surrey) (submittedVersion)
Funders
  • Wellcome Trust
  • Medical Research Council
Topics
  • Life Sciences › Immunology and Microbiology › Immunology › T-cell and B-cell Immunology
  • Life Sciences › Immunology and Microbiology › Immunology › Immunotherapy and Immune Responses
  • Life Sciences › Immunology and Microbiology › Virology › HIV Research and Treatment
Keywords
memory T cells, CD45RO+ memory T cells, naive T cells, LFA-1, CCR7, telomere length, IFN-gamma production, IL-2 production, T cell migration, infectious mononucleosis, tetramer binding, lymph node distribution
MeSH terms
Cell Division, Cell Movement, Chemotaxis, Leukocyte, Humans, Immunologic Memory, Interphase, Organ Specificity, Peptide Fragments, HLA-A2 Antigen, HLA-B8 Antigen, Immunophenotyping, Lymphocyte Function-Associated Antigen-1, T-Lymphocyte Subsets, Apoptosis, Leukocyte Common Antigens, CD8-Positive T-Lymphocytes, Epitopes, T-Lymphocyte, Receptors, Chemokine, Receptors, CCR5, Receptors, CCR7

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