Figure 1. RAS-MAPK signaling inhibition by selumetinib in EGFR inhibitor resistant cell lines.
(A, B) Cells cultured in the presence or absence of originating EGFR inhibitor as indicated were dosed with titrations of selumetinib for 6 hours. Lysates were analysed by immunoblotting. Data is representative of 2 separate experiments. (C) WZR_1 cells cultured in the absence of WZ4002 prior to the experiment were treated with titrations of selumetinib over 96 hours with no added WZ4002, 0.03 μM or 0.3 μM WZ4002. Data is representative of two separate experiments.