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 1. Identification and isolation of circulating exosomes of patients with CHB and hepatocellular carcinoma. (A) The particle size and concentration distribution of exosomes; (B) The wb images of CD63 and TSG101 markers (PC: positive control); (C) The exosomes observed by transmission electron microscope (100 nm); (D) The exosomes observed by transmission electron microscope (200 nm).