(Cat# ab191838), anti-glutathione peroxidase 4 (Cat# ab125066), anti-AMPK alpha 1 (Cat# ab32047) and anti-SIRT1 (Cat# ab110304) antibodies were purchased from Abcam Biotechnology (Cambridge, MA, USA). Phospho-AMPK (Thr172) (Cat# 2535s) antibody was purchased from Cell Signaling ...