Western blot results showing YAP and EGFR protein levels after treatment with MG132 or cycloheximide (CHX) for 4 h or 8 h. β-actin was used as a protein loading control. Confluent HT3 cells were starved for 4 h before treatment with MG132 (10 μM) or CHX (20 μg/ml) for 0, 4 or 8 h. 