GPC3 and hepatocellular carcinoma: The most prominent of these include glypican 3 (GPC3), alpha-fetoprotein (AFP), NY-ESO-1, SSX-2, human telomerase reverse transcriptase (hTERT), hepatocellular carcinoma-associated antigen-587 (HCA587), and melanoma antigen gene-A (MAGE-A).