Fig. 1From: Oncolytic therapy with vaccinia virus carrying IL-24 for hepatocellular carcinomaSchematic illustration of plasmid pCB. vTK-L, vTK-R: portions of the vaccinia thymidine kinase (TK) gene; P-se/I, P-7.5K: vaccinia synthetic early promoter; P-T7: T7 RNA polymerase promoter; gpt: xanthine-guanine phosphoribosyltransferase geneBack to article page