NKG2A-HLA-E axis contributes to an immunosuppressive checkpoint network in hepatocellular carcinoma
Abstract Background The immunosuppressive tumor microenvironment in hepatocellular carcinoma (HCC) limits the efficacy of current immunotherapies. The interplay between the emerging inhibitory receptor NKG2A and its activating counterpart NKG2C, both binding HLA-E, and its interaction with the PD-1-PD-L1 pathway in can...