Research Paper Volume 16, Issue 14 pp 11373—11384

High expression of circulating exosomal PD-L1 contributes to immune escape of hepatocellular carcinoma and immune clearance of chronic hepatitis B

class="figure-viewer-img"

Figure 4. Effect of PD-L1 in circulating exosomes on CD8+T cytotoxic function in patients with chronic hepatitis B. (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.