CD274 and hepatocellular carcinoma: IFN-γ secretion and immune cell infiltration were measured by ELISA and flow cytometry, respectively.<h4>Results</h4><i>In vitro</i>, H101 inhibited the proliferation and invasion and IFN-γ induced apoptosis in HCC cells, with IFN-γ upregulating the expression of STAT1 and CD274.