GPC3 and hepatocellular carcinoma: Compared with normal hepatocytes, there are many surface molecules high expressed on the surface of HCC cells, such as glypican-3 (GPC3) 5, asialoglycoprotein receptor (ASGP-R) 6, transferrin receptor (TfR) 7, AF20 antigen 8, somatostatin receptor (SSTR) 9, lysosome-associated protein transmembrane 4β (LAPTM4B) 10.