Figure 2From: Double suicide genes selectively kill human umbilical vein endothelial cellsCytotoxicity is dependent on MOI. ECV304 (A) and HepG2 (B) cells at increasing MOI were exposed in vitro to Ad-KDR-CDglyTK in the presence or absence of GCV + 5-FC, and the number of viable cells was determined by MTT methods after 6 days treatment.Back to article page