Figure 5.

Effect of pure curcumin on the cytotoxicity of vinblastine The KB-V1 cells were grown in medium with 1% DMSO (vehicle control), 20 μM curcumin or 20 μM verapamil (positive control) in the presence of different concentrations of vinblastine. The number of viable cells was determined by the MTT assay. Data represent means ± SEM, N = 3.