Fig. 4From: Ideal sphere-forming culture conditions to maintain pluripotency in a hepatocellular carcinoma cell linesExpression of pluripotency and cancer stem cells markers in sphere-forming cells. Oct4, Nanog, Sox2 were increased similar to the number of Huh7 (a) and HepG2 (b) sphere-forming cells in both media. c Huh7 sphere-forming cells were positive for CD133, Connexin 32. d HepG2 sphere-forming cells were positive for CD133 and Connexin 32Back to article page