Cited by 109T-cell and B-cell ImmunologyDiabetes and associated disordersCancer Immunotherapy and Biomarkers

Autoreactive CD8+ T cells are restrained by an exhaustion-like program that is maintained by LAG3

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Grebinoski, Stephanie, Zhang, Qianxia, Cillo, Anthony R., Manne, Sasikanth, Xiao, Hanxi, Brunazzi, Erin A., Tabib, Tracy, Cardello, Carly +7 more·2022·Nature Immunology

Abstract

Impaired chronic viral and tumor clearance has been attributed to CD8+ T cell exhaustion, a differentiation state in which T cells have reduced and altered effector function that can be partially reversed upon blockade of inhibitory receptors. The role of the exhaustion program and transcriptional networks that control CD8+ T cell function and fate in autoimmunity is not clear. Here we show that intra-islet CD8+ T cells phenotypically, transcriptionally, epigenetically and metabolically possess features of canonically exhausted T cells, yet maintain important differences. This 'restrained' phenotype can be perturbed and disease accelerated by CD8+ T cell-restricted deletion of the inhibitory receptor lymphocyte activating gene 3 (LAG3). Mechanistically, LAG3-deficient CD8+ T cells have enhanced effector-like functions, trafficking to the islets, and have a diminished exhausted phenotype, highlighting a physiological role for an exhaustion program in limiting autoimmunity and implicating LAG3 as a target for autoimmune therapy.

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  • Exhausted autoantigen-specific CD8+ T cells were detected in murine and human type 1 diabetes.

    “T cell exhaustion may play a role in AIDs, 33-35 and exhausted autoantigen-specific CD8 + T cells were detected in murine and human type 1 diabetes (T1D). 35,36”

    From Autoantigen-specific CD4+ T cells acquire an exhausted phenotype and persist in human antigen-specific autoimmune diseases (2024) · cites this paper as [36]

    The Results (‘Autoreactive CD8+ T cells express hallmarks of exhaustion’; page unavailable) identify β-cell-antigen-reactive CD8+ T cells in NOD mice, and the Discussion describes a subset as exhaustion-like rather than canonically exhausted. The cited paper’s reported findings do not establish their detection in humans with type 1 diabetes, so the human portion of the claim is unsupported. (LLM, conf=0.88)

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  • Exhausted CD8 and CD4 T cells are present in inflamed tissues of T1D and SLE models.

    “and exhausted CD8 and CD4 T cells are present in inflamed tissues of T1D 36,62 and systemic lupus erythematosus (SLE) 63 models.”

    From Autoantigen-specific CD4+ T cells acquire an exhausted phenotype and persist in human antigen-specific autoimmune diseases (2024) · cites this paper as [36]

    The Results (‘Autoreactive CD8+ T cells express hallmarks of exhaustion’; page unavailable) identify an exhaustion-like subset of CD8+ T cells in the islets of NOD mice, a T1D model. The paper does not establish that intra-islet CD4+ T cells are exhausted. The SLE portion of the citing sentence is attached to a different citation (63), not this source. (LLM, conf=0.86)

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Authors
Grebinoski, S., Zhang, Q., Cillo, A. R., Manne, S., Xiao, H., Brunazzi, E. A., Tabib, T., Cardello, C., Lian, C. G., Murphy, G. F., Lafyatis, R., Wherry, E. J., Das, J., Workman, C. J., & Vignali, D. A. A.
Affiliations
  • University of Pittsburgh (US)
  • Boston Children's Hospital (US)
  • University of Pennsylvania (US)
  • Brigham and Women's Hospital (US)
  • Parker Institute for Cancer Immunotherapy (US)
Corresponding author
Vignali, Dario A. A.
Venue
Nature Immunology
Published
2022-05-26
Volume
23
Issue
6
Pages
868-877
ISSN
  • 1529-2908 (ISSN-L)
  • 1529-2916
OpenAlex
W4281565387
Cited by
107
References
84
Citations by year
2026: 20 · 2025: 21 · 2024: 38 · 2023: 25 · 2022: 3
FWCI
8.50
Type
journal article
Language
en
Open access
Locations
  • Nature Immunology (publishedVersion)
  • PubMed (publishedVersion)
  • PubMed Central (acceptedVersion)
Funders
  • U.S. Department of Health & Human Services | NIH | National Institute of Diabetes and Digestive and Kidney Diseases (DK089125)
  • U.S. Department of Health & Human Services | NIH | National Institute of Allergy and Infectious Diseases (AI144422, AI108545, AI147638, AI089443, AI105343, AI117950, AI082630, AI112521, AI115712)
  • U.S. Department of Health & Human Services | NIH | NCI | Division of Cancer Epidemiology and Genetics, National Cancer Institute (CA210944)
Topics
  • Life Sciences › Immunology and Microbiology › Immunology › T-cell and B-cell Immunology
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Genetics › Diabetes and associated disorders
  • Health Sciences › Medicine › Oncology › Cancer Immunotherapy and Biomarkers
Keywords
CD8+ T cell exhaustion, LAG-3, type 1 diabetes, autoimmunity, pancreatic islets, T cell metabolism, T cell migration, inhibitory receptors, nonobese diabetic mouse, T cell fate
MeSH terms
Humans, Neoplasms, Phenotype, Autoimmunity, CD8-Positive T-Lymphocytes

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