Cited by 127T-cell and B-cell ImmunologyTelomeres, Telomerase, and SenescenceCancer Immunotherapy and Biomarkers

Tumor-induced senescent T cells with suppressor function: a potential form of tumor immune evasion

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Montes, Carolina L., Chapoval, Andrei I., Nelson, Jonas, Orhue, Vbenosa, Zhang, Xiaoyu, Schulze, Dan H., Strome, Scott E., Gastman, Brian R.·2008·Cancer Research

Abstract

Senescent and suppressor T cells are reported to be increased in select patients with cancer and are poor prognostic indicators. Based on the association of these T cells and poor outcomes, we hypothesized that tumors induce senescence in T cells, which negatively effects antitumor immunity. In this report, we show that human T cells from healthy donors incubated with tumor for only 6 h at a low tumor to T-cell ratio undergo a senescence-like phenotype, characterized by the loss of CD27 and CD28 expression and telomere shortening. Tumor-induced senescence of T cells is induced by soluble factors and triggers increases in expression of senescence-associated molecules such as p53, p21, and p16. Importantly, these T cells are not only phenotypically altered, but also functionally altered as they can suppress the proliferation of responder T cells. This suppression requires cell-to-cell contact and is mediated by senescent CD4+ and CD8+ subpopulations, which are distinct from classically described natural T regulatory cells. Our observations support the novel concept that tumor can induce senescent T cells with suppressor function and may effect both the diagnosis and treatment of cancer. [Cancer Res 2008;68(3):870–9]

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  1. Nelson DA, White E. Exploiting different ways to die. Genes Dev 2004;18:1223-6.

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Authors
Montes, C. L., Chapoval, A. I., Nelson, J., Orhue, V., Zhang, X., Schulze, D. H., Strome, S. E., & Gastman, B. R.
Affiliations
  • 1Department of Otorhinolaryngology and
  • University of Maryland, Baltimore (US)
Venue
Cancer Research
Published
2008-02-01
Volume
68
Issue
3
Pages
870-879
ISSN
  • 0008-5472 (ISSN-L)
  • 1538-7445
OpenAlex
W1979003707
Cited by
127
References
50
Citations by year
2026: 6 · 2025: 11 · 2024: 12 · 2023: 11 · 2022: 13 · 2021: 20 · 2020: 6 · 2019: 4 · 2018: 3 · 2017: 5 · 2016: 5 · 2015: 6 · 2014: 6 · 2013: 7 · 2012: 3
FWCI
1.26
Type
journal article
Language
en
Open access
Locations
  • Cancer Research (publishedVersion)
  • PubMed (publishedVersion)
Topics
  • Life Sciences › Immunology and Microbiology › Immunology › T-cell and B-cell Immunology
  • Health Sciences › Medicine › Physiology › Telomeres, Telomerase, and Senescence
  • Health Sciences › Medicine › Oncology › Cancer Immunotherapy and Biomarkers
Keywords
T cell senescence, regulatory T cells, tumor immune evasion, antitumor immunity, CD27, CD28, telomere shortening, p53, p21, p16, T cell proliferation inhibition, cell-cell contact, CD4+ T cells, CD8+ T cells, natural regulatory T cells
MeSH terms
Adult, DNA Damage, Humans, Lymphocyte Activation, Neoplasms, CD4-Positive T-Lymphocytes, Cellular Senescence, In Situ Hybridization, Fluorescence, CD8-Positive T-Lymphocytes, Cell Cycle Proteins, Tumor Escape, Jurkat Cells, Cell Line, Tumor, T-Lymphocytes, Regulatory

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