Cited by 104T-cell and B-cell ImmunologyCancer Immunotherapy and BiomarkersImmunotherapy and Immune Responses

IL-6-mediated environmental conditioning of defective Th1 differentiation dampens antitumour immune responses in old age

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Tsukamoto, Hirotake, Senju, Satoru, Matsumura, Keiko, Swain, Susan L., Nishimura, Yasuharu·2015·Nature Communications

Abstract

Decline in immune function and inflammation concomitantly develop with ageing. Here we focus on the impact of this inflammatory environment on T cells, and demonstrate that in contrast to successful tumour elimination in young mice, replenishment of tumour-specific CD4+ T cells fails to induce tumour regression in aged hosts. The impaired antitumour effect of CD4+ T cells with their defective Th1 differentiation in an aged environment is restored by interleukin (IL)-6 blockade or IL-6 deficiency. IL-6 blockade also restores the impaired ability of CD4+ T cells to promote CD8+ T-cell-dependent tumour elimination in aged mice, which requires IFN-γ. Furthermore, IL-6-stimulated production of IL-4/IL-21 through c-Maf induction is responsible for impaired Th1 differentiation. IL-6 also contributes to IL-10 production from CD4+ T cells in aged mice, causing attenuated responses of CD8+ T cells. These findings suggest that IL-6 serves as an extrinsic factor counteracting CD4+ T-cell-mediated immunity against tumour in old age.

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Authors
Tsukamoto, H., Senju, S., Matsumura, K., Swain, S. L., & Nishimura, Y.
Affiliations
  • Kumamoto University (JP)
  • University of Massachusetts Chan Medical School (US)
Corresponding author
  • Tsukamoto, Hirotake
  • Nishimura, Yasuharu
Venue
Nature Communications
Published
2015-04-07
Volume
6
Issue
1
Pages
6702-6702
ISSN
2041-1723 (ISSN-L)
OpenAlex
W2020612723
Cited by
104
References
55
Citations by year
2026: 7 · 2025: 13 · 2024: 9 · 2023: 11 · 2022: 12 · 2021: 8 · 2020: 12 · 2019: 8 · 2018: 6 · 2017: 11 · 2016: 4 · 2015: 3
FWCI
3.94
Type
journal article
Language
en
Open access
Locations
  • Nature Communications (publishedVersion, cc-by)
  • Europe PMC (PubMed Central) (publishedVersion, cc-by)
  • PubMed Central (publishedVersion, cc-by)
  • PubMed (publishedVersion)
  • RePEc: Research Papers in Economics (submittedVersion)
Funders
  • Yasuda Memorial Medical Foundation
  • Japan Society for the Promotion of Science (15H04311, 26430165, 24700994)
  • National Institute on Aging (P01AG021600)
Topics
  • Life Sciences › Immunology and Microbiology › Immunology › T-cell and B-cell Immunology
  • Health Sciences › Medicine › Oncology › Cancer Immunotherapy and Biomarkers
  • Life Sciences › Immunology and Microbiology › Immunology › Immunotherapy and Immune Responses
Keywords
interleukin-6, aging, Th1 differentiation, CD4+ T cells, antitumor immunity, tumor surveillance, IL-6 inhibition, IL-10, c-Maf, interferon-gamma, CD8+ T cells, immunosenescence, tumor-specific T cells
MeSH terms
Interleukin-21, Aging, Animals, Cell Differentiation, Fibrosarcoma, Immunity, Cellular, Interferon-gamma, Interleukins, Mice, Inbred C57BL, Neoplasm Transplantation, CD4-Positive T-Lymphocytes, Interleukin-4, Interleukin-6, Interleukin-10, CD8-Positive T-Lymphocytes, Th1 Cells, Tumor Escape, Proto-Oncogene Proteins c-maf, Mice

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