Experiments were performed as previously described [22 (link)]. Antibodies specific for ERK (#4695), JNK (#9252), p38 (#9212), phospho-ERK (Thr202/Tyr204) (#4370), phospho-JNK (Thr183/Tyr185) (#4668), phospho-p38 (Thr180/Tyr182) (#9211), LC3B (#2775S), mTOR (#2983), phospho-mTOR (Ser2448) (#2971), ULK1 (#8054), phospho-ULK1 (Ser555) (#5869), phospho-ULK1 (Ser757) (#14202), phospho-70S6 kinase (Thr389) (#9234), 70S6 kinase(#2708), phospho-4E-BP1 (Thr37/46) (#2855), 4E-BP1 (#9452), AMPK (#2603) and phospho-AMPK (Thr172) (#2531) were purchased from Cell Signaling Technology (Danvers, MA). Antibodies against DUSP5 (#ab200708) were from Abcam (Cambridge, MA) and antibodies against p62 (#PM045) were from MBL Life science. Specific inhibitors U0126 (#HY-12031A), SB203580 (#HY-10256), SP600125 (#HY-12041) and bafilomycin A1 (#HY-100558) were obtained from MCE. Rapamycin (#V900930-1MG) and rose bengal (#330000) were from Sigma. U0216 (10 μM, 24 h), SB203580 (20 μM, 24 h), SP600125 (15 μM, 24 h), bafilomycin A1 (25 nM, 6 h) and rapamycin (100 nM, 12 h) were added to the cell cultures as described in different experiments. The primers for DUSP5 were TGTCGTCCTCACCTCGCTA and GGGCTCTCTCACTCTCAATCTTC.
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