Western blot was performed as previously described [21 (link)]. Primary antibodies, anti-IRE1α, anti-HSL, anti-p-HSLSer660, anti-eIF2α, anti-p-eIF2αSer51, anti-BiP and anti-p-PKA substrates (all from Cell Signaling Technology, MA, USA), anti-UCP1 and anti-ATF4 (Santa Cruz Biotechnology) and anti-β-actin (Sigma, MO, USA) were incubated at 4°C overnight, and specific proteins were visualized by ECL Plus (GE Healthcare, Buckinghamshire, UK).
Free full text: Click here