Cancer Immunotherapy and Biomarkers Open access Peer reviewed

Advances and prospects of biomarkers for immune checkpoint inhibitors

Hirohito Yamaguchi, Jung-Mao Hsu, Linlin Sun, Shao‐Chun Wang and 1 more

Cell Reports Medicine | Jun 20, 2024 | 94 citations

Abstract

Abstract

Immune checkpoint inhibitors (ICIs) activate anti-cancer immunity by blocking T cell checkpoint molecules such as programmed death 1 (PD-1) and cytotoxic T lymphocyte-associated protein 4 (CTLA-4). Although ICIs induce some durable responses in various cancer patients, they also have disadvantages, including low response rates, the potential for severe side effects, and high treatment costs. Therefore, selection of patients who can benefit from ICI treatment is critical, and identification of biomarkers is essential to improve the efficiency of ICIs. In this review, we provide updated information on established predictive biomarkers (tumor programmed death-ligand 1 [PD-L1] expression, DNA mismatch repair deficiency, microsatellite instability high, and tumor mutational burden) and potential biomarkers currently under investigation such as tumor-infiltrated and peripheral lymphocytes, gut microbiome, and signaling pathways related to DNA damage and antigen presentation. In particular, this review aims to summarize the current knowledge of biomarkers, discuss issues, and further explore future biomarkers.

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Authors

Researchers on this paper

Hirohito Yamaguchi

first | China Medical University | ORCID 0000-0003-0425-916X

Jung-Mao Hsu

middle | China Medical University | ORCID 0000-0002-7546-3945

Linlin Sun

middle | Tianjin Medical University General Hospital | ORCID 0000-0003-0903-6571

Shao‐Chun Wang

middle | China Medical University | ORCID 0000-0002-5477-1682

Mien-Chie Hung

last | China Medical University | ORCID 0000-0003-4317-4740

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Citation

BibTeX

@article{Yamaguchi2024Advances,
  title = {Advances and prospects of biomarkers for immune checkpoint inhibitors},
  author = {Hirohito Yamaguchi and Jung-Mao Hsu and Linlin Sun and Shao‐Chun Wang and Mien-Chie Hung},
  journal = {Cell Reports Medicine},
  year = {2024},
  doi = {10.1016/j.xcrm.2024.101621},
  url = {https://doi.org/10.1016/j.xcrm.2024.101621}
}

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