Figure 2

Cytotoxic interaction between ABZ and 2ME. A, HCT-116 cells were exposed to ABZ and 2ME for 72 hours simultaneously or B, treated with ABZ for 24 hours followed by additional 48 hours treatment with 2ME or C, treated with 2ME for 24 hours followed by additional 48 hours treatment with ABZ. CI < 1 indicates synergism, CI >1 indicates antagonism and CI = 1 shows additive effect.