Representative Western blots from epidydmal fat tissues of chronic CO inhalation for the reversal of obesity from high fat diet (HFD) control, HFD 28 ppm CO, HFD 200 ppm CO mice. A) Representative blots. B) Levels of HO-1. C) Levels of PGC1-α. D) Levels of NRF1. E) Levels of ALDH1A1. * = significant from all other groups, p < 0.05. MWM = molecular weight marker.