Figure 7From: Auto-induction expression of human consensus interferon-alpha in Escherichia coli The inhibitory effect (antiproliferative activity) of cIFN-α synthesized in auto-induction system and commercial IFN-α2a on HepG2 cells. Both cIFN-α and IFN-α2a have an inhibitory effect on HepG2 cells after 24 h treatment; (LD50 = 2.79 μg/ml); (LD50 = 4.16 μg/ml), respectively.Back to article page