ECM genes, collagen types III and V (COL3A1 and COL5A1), decorin (DCN), dystrophin (DMD), lumican (LUM), and TIMP1 were expressed in stroma, along with laminins LAMA2, LAMA4, LAMB1 and LAMC1 (see Additional file 7). The gene discussed is LAMA4; the disease is Duchenne muscular dystrophy.