Cytosolic and nuclear fractions were isolated from resting and PHA-stimulated Jurkat cells [17] and from SH-SY5Y cells treated for 24 h with curcumin and C1, or after starvation, as previously described. Plasma membrane proteins were isolated from soluble proteins using the Mem-PER Eukaryotic Membrane Protein Extraction Kit (Pierce, Thermo Scientific, Waltham, MA, USA) in accordance with the manufacturer’s procedure. Protein concentration was determined by Bradford’s assay.
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