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. 2014 May 15;171(11):2842–2853. doi: 10.1111/bph.12610

Figure 1.

Figure 1

Luteolin reduces the viability of NCI-H1975 cells. (A and B) A549, HCC827 and NCI-H1975 cells were treated with a range of concentrations of erlotinib (A) or luteolin (B) for 48 h. Cell viability is shown as relative viability compared to the untreated control. (C) NCI-H1975 cells were treated with luteolin at different concentrations for 48 h. Cell morphology was imaged under a Nikon microscope (200×). (D) L02, H9c2 and HEK293 cells were treated with the indicated concentrations of luteolin for 48 h. Cell viability was expressed as % of surviving cells compared to the control group. Each bar represents the mean ± SD of three independent experiments. *P < 0.05 and **P < 0.01.