Cited by 944T-cell and B-cell ImmunologyCancer Immunotherapy and BiomarkersImmunotherapy and Immune Responses

Regulatory T cells in tumor immunity

Nishikawa, Hiroyoshi, Sakaguchi, Shimon·2010·International Journal of Cancer

Abstract

Recent studies have revealed that Foxp3+CD25+CD4+ regulatory T cells (Tregs), which are physiologically engaged in the maintenance of immunological self‐tolerance, play critical roles for the control of antitumor immune responses. For example, a large number of Foxp3+Tregs infiltrate into tumors, and systemic removal of Foxp3+Tregs enhances natural as well as vaccine‐induced antitumor T‐cell responses. Tregs are recruited to tumor tissues via chemokines, such as CCL22 binding to CCR4 expressed by Tregs. They appear to expand and become activated in tumor tissues and in the draining lymph nodes by recognizing tumor‐associated antigens as well as normal self‐antigen expressed by tumor cells. These results indicate that cancer vaccines targeting tumor‐associated self‐antigens may potentially expand/activate Tregs and hamper effective antitumor immune responses, and that tumor immunity can therefore be enhanced by depleting Tregs, attenuating Treg suppressive function, or rendering effector T cells refractory to Treg‐mediated suppression. Recent attempts have indeed demonstrated that combinations of monoclonal antibodies capable of modulating Treg functions synergistically enhance antitumor activity and are more effective than a single monoclonal antibody therapy. Combination therapy targeting a variety of molecules expressed in antigen‐presenting cells, effector T cells and Tregs is envisaged to be a promising anticancer immunotherapy.

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Crossref · 10.1002/ijc.25429

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Authors
Nishikawa, H., & Sakaguchi, S.
Affiliations
Mie University (JP)
Corresponding author
  • Nishikawa, Hiroyoshi
  • Sakaguchi, Shimon
Venue
International Journal of Cancer
Publisher
Wiley
Published
2010-06-07
Volume
127
Issue
4
Pages
759-767
ISSN
  • 0020-7136 (ISSN-L)
  • 1097-0215
OpenAlex
W1971595657
Cited by
944
References
101
Citations by year
2026: 17 · 2025: 34 · 2024: 44 · 2023: 36 · 2022: 48 · 2021: 55 · 2020: 60 · 2019: 55 · 2018: 59 · 2017: 67 · 2016: 74 · 2015: 66 · 2014: 80 · 2013: 87 · 2012: 78
FWCI
6.34
Type
journal article
Language
en
Open access
closed
Locations
  • International Journal of Cancer (publishedVersion)
  • PubMed (publishedVersion)
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
regulatory T cells, Foxp3, antitumor immunity, cancer vaccines, tumor-associated antigens, Treg depletion, Treg suppressive function, cancer immunotherapy, self-tolerance
MeSH terms
Animals, Humans, Immune Tolerance, Immunotherapy, Neoplasms, Prognosis, T-Lymphocytes, Regulatory

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