WB analysis was performed as previously reported [12 (link)]. Briefly, cells were lysed in RIPA buffer (1% Triton X-100, 0.1% SDS, 150 mM NaCl, 1 mM EDTA pH 8, 10 mM Tris-HCl pH 8) containing 1% protease inhibitor cocktail (Roche). Cell extract was centrifuged for 15 min at 4 °C and heated for 5 min at 95 °C; 30 μg of total protein extract was subjected to SDS-polyacrylamide gel electrophoresis, blotted on nitrocellulose membrane (Bio-Rad) and incubated ON with the specific antibodies. Protein expression was detected by ECL chemiluminescence method (Bio-Rad).
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