Fig. 2From: Ideal sphere-forming culture conditions to maintain pluripotency in a hepatocellular carcinoma cell linesExpression of CSC markers in Huh7 and HepG2 spheres. a Huh7 and b HepG2 sphere-forming cells. Expression of gene levels were similar between the two groups. The expression of the housekeeping gene GAPDH was used as a loading control. Cx32 Connexin 32, Cx43 Connexin 43Back to article page