Inhibitors were: BYL719 (Selleckchem, S2814), SHP099 (Selleckchem, S8278), GDC-0941 (Selleckchem, S1065), GS-493 (Millipore, 538099). All inhibitors were solved in DMSO.
Growth factors were: NRG1 (396-HB-050), EGF (236-EG-200) and FGF10 (345-FG-025), purchased from R&D Systems.
Antibodies: AKT (Cell Signaling, 9272), p-AKT S473 (Cell Signaling, 4060), p-4E-BP1 T37/46 (Cell Signaling, 2855), ERK (Cell Signaling, 9102), p-HER3 Y1289 (Cell Signaling, 4791), p-MET Y1234/1235 (Cell Signaling, 3077), p-FGFR Y653/654 (Cell Signaling 3471), p-S6 ribosomal protein S240/244 (Cell Signaling, 5364), p-ERK Y204 (Santa Cruz, sc-7383), HSP90 (Santa Cruz, sc-13119), SHP2 (Santa Cruz, sc-280), p-SHP2 Y542 antibody (AbCam, 62322), p-EGFR Y1068 (AbCam, 5644). Secondary rabbit (#111-035-144) and mouse (#115-035-062) antibodies were from Dianova.