Research Paper Advance Articles
High expression of circulating exosomal PD-L1 contributes to immune escape of hepatocellular carcinoma and immune clearance of chronic hepatitis B
Figure 3. Effect of PD-L1 in circulating exosomes on CD8+T cell cytotoxicity in patients with hepatocellular carcinoma. (A) PD-L1 antibody blocking; (B) Isotype control antibody blocking; (C) Comparison of CD107a expression levels between two groups; (D) Comparison of cytokine expression levels between two groups.