Cited by 964Cancer Immunotherapy and BiomarkersT-cell and B-cell ImmunologyImmune Cell Function and Interaction

TIM3 comes of age as an inhibitory receptor

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Wolf, Yochai, Anderson, Ana C., Kuchroo, Vijay K.·2020·Nature Reviews Immunology

Abstract

T cell immunoglobulin and mucin domain-containing protein 3 (TIM3), a member of the TIM family, was originally identified as a receptor expressed on interferon-γ-producing CD4+ and CD8+ T cells. Initial data indicated that TIM3 functioned as a 'co-inhibitory' or 'checkpoint' receptor, but due to the lack of a definable inhibitory signalling motif, it was also suggested that TIM3 might act as a co-stimulatory receptor. Recent studies have shown that TIM3 is part of a module that contains multiple co-inhibitory receptors (checkpoint receptors), which are co-expressed and co-regulated on dysfunctional or 'exhausted' T cells in chronic viral infections and cancer. Furthermore, co-blockade of TIM3 and programmed cell death 1 (PD1) can result in tumour regression in preclinical models and can improve anticancer T cell responses in patients with advanced cancers. Here, we highlight the developments in understanding TIM3 biology, including novel ligand identification and the discovery of loss-of-function mutations associated with human disease. In addition, we summarize emerging data from human clinical trials showing that TIM3 indeed acts as a 'checkpoint' receptor and that inhibition of TIM3 enhances the antitumour effect of PD1 blockade.

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  • HAVCR2 encodes the checkpoint molecule TIM3, a promising therapeutic approach in cancer, and was recently described in a GWAS as an AD risk gene.

    “the latter of which encodes the checkpoint molecule TIM3, one of the most promising new therapeutic approaches in cancer 32 that was recently described in a GWAS as an AD risk gene 2 .”
  • Tyrosine kinase FYN and human leukocyte antigen B (HLA-B)-associated transcript 3 (BAT3) were suggested to inhibit the cytoplasmic tail of TIM-3 signaling.

    “Nevertheless, tyrosine kinase FYN and human leukocyte antigen B (HLA‐B)‐associated transcript 3 (BAT3) were suggested to inhibit the cytoplasmic tail of TIM‐3 signaling [307, 308, 309].”

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  1. [153]Weiss GJ A phase 1 study of TSR-022, an anti-TIM-3 monoclonal antibody, in patients (pts) with advanced solid tumors. J. Immunother. Cancer 5, 86 (2017).
  2. [154]Davar D A phase 1 study of TSR-022, an anti-TIM-3 monoclonal antibody, in combination with TSR-042 (anti-PD-1) in patients with colorectal cancer and post-PD-1 NSCLC and melanoma. J. Immunother. Cancer 6, 115 (2018).30400822

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Authors
Wolf, Y., Anderson, A. C., & Kuchroo, V. K.
Affiliations
Brigham and Women's Hospital (US)
Corresponding author
Kuchroo, Vijay K.
Venue
Nature Reviews Immunology
Published
2019-11-01
Volume
20
Issue
3
Pages
173-185
ISSN
  • 1474-1733 (ISSN-L)
  • 1474-1741
OpenAlex
W2985205513
Cited by
959
References
159
Citations by year
2026: 98 · 2025: 140 · 2024: 191 · 2023: 160 · 2022: 183 · 2021: 142 · 2020: 44
FWCI
8.75
Type
journal article
Language
en
Open access
Locations
  • Nature reviews. Immunology (publishedVersion)
  • PubMed (publishedVersion)
  • PubMed Central (acceptedVersion)
Funders
  • National Institutes of Health
  • National Cancer Institute (R01CA187975)
  • National Institute of Allergy and Infectious Diseases (P01AI073748, P01AI056299, P01AI039671)
  • National Institute of Neurological Disorders and Stroke (R01NS045937)
Topics
  • Health Sciences › Medicine › Oncology › Cancer Immunotherapy and Biomarkers
  • Life Sciences › Immunology and Microbiology › Immunology › T-cell and B-cell Immunology
  • Life Sciences › Immunology and Microbiology › Immunology › Immune Cell Function and Interaction
Keywords
TIM-3, inhibitory receptors, co-inhibitory receptors, immune checkpoint, T cell exhaustion, loss-of-function mutations, antitumor immunity, chronic viral infection, cancer immunotherapy
MeSH terms
Hepatitis A Virus Cellular Receptor 2, Animals, Clinical Trials as Topic, Humans, Signal Transduction, CD4-Positive T-Lymphocytes, CD8-Positive T-Lymphocytes, Programmed Cell Death 1 Receptor

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