“…The MTT assay kit from Trevigen (Gaithersburg, Md., USA), the Toxilight bioassay kit from Cambrex Bio Science Rockland Inc. (Rockland, Me., USA), the APO-BrDU TM kit from BD Biosciences (Franklin Lakes, N.J., USA), and Bradford reagents, Tween 20, mitochondrial isolation kit and trypan blue were from Sigma (St. Louis, Mo., USA). Caprospinol was synthesized by Taros Custom Chemicals (Marburg, Germany) with a purity higher than 95% as assessed by 1H and 13C NMR as well as mass spectrometry [8] . Nu-PAGE 4-12% Bis-Tris gel (Invitrogen, San Diego, Calif., USA), nitrocellulose Hybond-C extra membrane (BioRad, Hercules, Calif., USA), anti-complex I antibody (Mitosciences, Eugene, Oreg., USA), anti-58K Golgi protein peptide antibody (Abcam, Cambridge, Mass., USA), biotinylated secondary antibodies (Cell Signaling Technology, Pickering, Ont., Canada), and RIPA buffer (Thermo Fisher Scientific, Waltham, Mass., USA) were used.…”