“…For inhibitor treatment in 2D and 3D cultures, 100 nM of rapamycin (Grabiner et al, 2014;Kang et al, 2013;Sarbassov et al, 2006), 250 nM of Torin1 (Cheng et al, 2016;Grabiner et al, 2014;Kang et al, 2013;Thoreen et al, 2012), 10 μM of PF47068671 (Pearce et al, 2010;Schipany et al, 2015;Zhang et al, 2015), 1 μM of MK2206 (Devery et al, 2015;Shen et al, 2015;Sung et al, 2016) and 1 μM of AZD6244 (Devery et al, 2015;Ewald et al, 2015) were employed as these concentrations have been most frequently used in cell-based assays and have a complete effect on their respective targets [ phospho-protein analysis in western blots (see Fig. 4 and western blots in the supporting figures)].…”