Preparation of cell lysates, protein collection and concentration, electrophoresis, SDS-PAGE, and immunoblotting were performed as described preciously [25 (link)]. Primary and secondary antibodies were diluted 1000-fold and 500-fold, respectively. Signals were visualized using an EZ-Western Lumi Femto (DoGenBio, Seoul, Korea) and quantified using a LAS-4000 (GE Healthcare Life Sciences, Marlborough, MA, USA) [26 (link)]. Protein band intensities on each blot were quantified by densitometric analysis using ImageJ 1.48s software (Bethesda, MD, USA).
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