SOD1 and amyotrophic lateral sclerosis: In addition, we did not observe significant differences between ALS patients and controls for blood Cu, superoxide dismutase (SOD), glutathione peroxidase, coenzyme-Q10 (Co-Q10), ceruloplasmin, total cholesterol, triglycerides, high-density lipoprotein (HDL), low-density lipoprotein (LDL), and transferrin levels (Table 1).