fig1
Figure 1. Mechanism of immune checkpoints in HCC in the absence (A) and presence (B) of ICI. This figure was re-printed with copyright permission from Mohr et al.[12]. HCC: Hepatocellular carcinoma; ICI: Immune checkpoint inhibitors; APC: antigen-presenting cell; MHC: major histocompatibility complex; TCR: T cell receptor; CTLA-4: cytotoxic T-lymphocyte-associated protein 4; PD-1: programmed cell death 1 protein; PD-L1: programmed death-ligand 1.
