IL6 and hepatocellular carcinoma: To verify whether the IL-6 Tg-PbANKA/LISP2 parasites secrete the IL-6 cytokine, supernatants were collected 48h after the HepG2 hepatoma cell line was cultured in the presence of IL-6 Tg-PbANKA/LISP2 or WT PbANKA SPZ.