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Query String: selumetinib

pERK AlphaScreen Protocol KYSE-520 cells (10 k cells/well) were grown in 384-well plate in 20 uL of medium (RPMI-1640, without phenol red, containing 10% FBS) at 37° C. with 5% CO2 overnight. DMSO (control) or increasing concentrations of compounds were diluted in medium, added to the 384-well plate (5 uL/well, final DMSO concentration of 1%), and cells were then incubated with compounds for 2 hr. Phospho-ERK levels were measured using phospho-ERK1/2 AlphaScreen SureFire (PerkinElmer, TGRESB10K) following manufacturer's recommendations. Dose-response curves were analyzed using IC50 regression curve fitting (GeneData Screener). Curves were normalized to a high control without inhibitor (DMSO only), and low control (1 μM selumetinib).