fig1
Figure 1. Interactions between cancer cells and T-cells and the role of PD-1/PDL-1 and CTLA4. PD-1: programmed cell death-1; PDL-1: programmed cell death ligand-1; CTLA4: cytotoxic T-lymphocyte-associated protein 4; APC: antigen-presenting cell; MHC: major histocompatibility complexes
