FBN1 and Duchenne muscular dystrophy: Therefore, in addition to Col1a2 and FN1 being determined as novel biomarkers for DMD, FBN1 was still selected as novel biomarker for DMD, the conclusion were based on the results of bioinformatics, (RT-q)PCR and the consistency of the results of (RT-q)PCR and WB in FN1 and Col1a2.