Effects of 5-FU at different concentrations on the survival rate of LoVo cells and LoVo CD133⁺ tumorigenic stem cells.

	0 μM	10 μM	20 μM	40 μM	80 μM	160 μM
LoVo	0.476 ± 0.040	0.254 ± 0.016	0.203 ± 0.014	0.199 ± 0.015	0.173 ± 0.012	0.121 ± 0.007
LoVo CD133+	1.129 ± 0.323	1.041 ± 0.009	0.870 ± 0.067	0.692 ± 0.026	0.421 ± 0.061	0.250 ± 0.035