Cited by 368T-cell and B-cell ImmunologyImmunotherapy and Immune ResponsesCancer Immunotherapy and Biomarkers

Murine B7-H3 is a negative regulator of T cells

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Prasad, Durbaka V R, Nguyen, Thang, Li, Zhaoxia, Yang, Yang, Duong, Julie, Wang, Ying, Dong, Chen·2004·The Journal of Immunology

Abstract

T cell activation is regulated by the innate immune system through positive and negative costimulatory molecules. B7-H3 is a novel B7-like molecule with a putative receptor on activated T cells. Human B7-H3 was first described as a positive costimulator, most potently inducing IFN-gamma production and cellular immunity. In this study we examined the expression and function of mouse B7-H3. B7-H3 is mostly expressed on professional APCs; its expression on dendritic cells appears to be up-regulated by LPS. In contrast to human B7-H3, we found that mouse B7-H3 protein inhibited T cell activation and effector cytokine production. An antagonistic mAb to B7-H3 enhanced T cell proliferation in vitro and led to exacerbated experimental autoimmune encephalomyelitis in vivo. Therefore, mouse B7-H3 serves as a negative regulator of T cell activation and function.

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Crossref · 10.4049/jimmunol.173.4.2500

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  • CD276 (B7-H3) was expressed most prominently on CAFs and TSKs.

    “Interestingly, CD276 (B7-H3), known to augment Tregs and inhibit T cell responses (Costa et al., 2018, Prasad et al., 2004, Suh et al., 2003), was expressed most prominently on CAFs and TSKs.”

    From Multimodal Analysis of Composition and Spatial Architecture in Human Squamous Cell Carcinoma (2020) · cites this paper as Prasad et al., 2004

    The citation is attached to the description of B7-H3’s immune effects, not to the citing authors’ observation about CAFs and TSKs. The Discussion reports that murine B7-H3 reduces T-cell proliferation and IL-2 production, supporting inhibition of T-cell responses. The cited paper does not establish that B7-H3 augments Tregs. (LLM, conf=0.87)

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Authors
Prasad, D. V. R., Nguyen, T., Li, Z., Yang, Y., Duong, J., Wang, Y., & Dong, C.
Affiliations
University of Washington (US)
Venue
The Journal of Immunology
Published
2004-08
Volume
173
Issue
4
Pages
2500-2506
ISSN
  • 0022-1767 (ISSN-L)
  • 1550-6606
OpenAlex
W2110172571
Cited by
368
References
42
Citations by year
2026: 9 · 2025: 18 · 2024: 30 · 2023: 22 · 2022: 27 · 2021: 34 · 2020: 27 · 2019: 18 · 2018: 10 · 2017: 16 · 2016: 11 · 2015: 11 · 2014: 6 · 2013: 14 · 2012: 17
FWCI
5.54
Type
journal article
Language
en
Open access
Locations
  • The Journal of Immunology (publishedVersion)
  • PubMed (publishedVersion)
Topics
  • Life Sciences › Immunology and Microbiology › Immunology › T-cell and B-cell Immunology
  • Life Sciences › Immunology and Microbiology › Immunology › Immunotherapy and Immune Responses
  • Health Sciences › Medicine › Oncology › Cancer Immunotherapy and Biomarkers
Keywords
B7-H3, T cell activation, dendritic cells, professional antigen-presenting cells, IFN-gamma production, experimental autoimmune encephalomyelitis, T cell proliferation, mice
MeSH terms
Animals, Antigen-Presenting Cells, B-Lymphocytes, Cells, Cultured, Dendritic Cells, Encephalomyelitis, Autoimmune, Experimental, Female, Flow Cytometry, Lymphocyte Activation, Macrophages, T-Lymphocytes, Cytokines, B7-1 Antigen, Antibodies, Blocking, Mice, Rats, B7 Antigens

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