Cell viability of MiaPaCa-2 and PANC-1 cells assessed by MTT test after treatment with nicotinamide (NA) and gefitinib (Gef), respectively. A) MiaPaCa2 cells, B) PANC-1 cells. Concentrations were used as indicated. Bars represent average ± standard deviation (SD) of three independent experiments. *P < 0.05.
Stenzinger et al. BMC Cancer 2013 13:450 doi:10.1186/1471-2407-13-450