Figure 6: Activation of extrinsic and intrinsic apoptosis in Clinacanthus nutans ethyl acetate fraction-treated HCT116 cells. (a) Representative Western blot band intensity of apoptosis-related proteins. (b) Bar chart reveals the relative expression of caspases and DR5 proteins. All the data are expressed as mean ± standard error for three independent experiments. *P < 0.05