Fig. 2From: Regulation of voltage-gated potassium channels attenuates resistance of side-population cells to gefitinib in the human lung cancer cell line NCI-H460Isolation of SP cells in a cultured NCI-H460 lung cancer cell line. SP cells plotted in the absence (a) or presence (b) of fumitremorgin C. Results are mean ± SE of triplicate experiments, (*) p < 0.05Back to article page