A case–control study of patients with myofascial pain syndrome (MPS) compared 45 patients with matched healthy controls and measured a panel of inflammatory and oxidative stress biomarkers, including hs-CRP, phospholipase A2 (PLA2), malondialdehyde (MDA), total antioxidant capacity (TAC), and superoxide dismutase (SOD). This evidence concerns the gene SOD1 and mucopolysaccharidosis.