Nevertheless, the glutathione peroxidase 1 (GPx1) expression level was significantly higher in COPD myoblasts than in healthy individual myoblasts [278.0 a.u. (196.8–323.5) versus 115.0 a.u. (59.2–137.0); P = 0.017]. This evidence concerns the gene GPX1 and chronic obstructive pulmonary disease.