Fig. 6

PERK pathway-independent induction of prosurvival autophagy in KG1 LSC-like cells upon G9a inhibition. a, LC3-I/II and p62 expression, analyzed by western blotting, after cell treatment with BIX-01294 (15 μmol/L) in the absence or presence of bafilomycin A1 (BafA1) for 24 h. b, Confocal microscopy images of GFP-LC3-transfected cells after treatment with BIX-01294 (5 μmol/L). c, Apoptotic fractions, measured using flow cytometry, after cell treatment with BIX-01294 (15 μmol/L) in the absence or presence of the autophagy inhibitor 3-MA (5 mmol/L) or BafA1 (2 nmol/L) for 48 h. d, Protein expression, analyzed by western blotting with the indicated antibodies, after treatment of PERK siRNA-transfected and non-transfected cells with BIX-01294 (15 μmol/L) for 48 h. e, Protein expression, analyzed by western blotting with the indicated antibodies, after cell treatment with BIX-01294 (10 μmol/L) in the absence or presence of GSK2606414 (20 μmol/L) for 48 h. f, Protein expression, analyzed by western blotting with the indicated antibodies, after treatment of NRF2 siRNA-transfected and non-transfected cells with BIX-01294 (10 μmol/L) for 48 h. g, Levels of apoptosis, evaluated by flow cytometry, after cell treatment for 48 h with BIX-01294 (10 μmol/L) in the absence or presence of the PERK inhibitor GSK2606414 (10 μmol/L) or the autophagy inhibitor 3-MA (5 mmol/L), or BafA1 (2 nmol/L). h, Levels of apoptosis, evaluated by flow cytometry, after treatment of PERK siRNA- or control siRNA-transfected cells with BIX-01294 (10 μmol/L) in the absence or presence of 3-MA (5 mmol/L) or BafA1 (2 nmol/L)