C4B and Duchenne muscular dystrophy: Proteins involved in the inflammation/immune response like Annexin A1 (ANXA1), Complement C3 (C3), Complement C4‐B (C4B), Ig kappa chain C region (IGKC), Ig lambda‐6 chain C region (IGLC6), and Immunoglobulin lambda‐like polypeptide 5 (IGLL5) were increased in DMD.