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World J Gastrointest Oncol. Jun 15, 2023; 15(6): 959-972
Published online Jun 15, 2023. doi: 10.4251/wjgo.v15.i6.959
Figure 3
Figure 3 The mechanisms of action of immune checkpoint inhibitors in cancer immunotherapy. CTLA-4: Cytotoxic T lymphocyte antigen 4; MHC: Major histocompatibility complex; PD-1: Programmed cell death protein 1; PD-L1: Programmed death-ligand 1; TCR: T cell receptor.