In particular, Collagen alpha‐1(VI), alpha‐2(VI), and alpha‐3(VI) chains, Collagen VI (COL6A1, COL6A2, and COL6A3 chains), Alpha‐2‐macroglobulin (A2M), and Fibrinogen gamma chain (FGG) were increased in DMD vs. BMD (Figure2A). This evidence concerns the gene COL6A2 and Duchenne muscular dystrophy.