SGCA and Duchenne muscular dystrophy: In a recent study, serum miRNAs were analysed in four mouse models for muscle pathologies: DMD (mdx), limb-girdle muscular dystrophy type 2D (sgca-null mice) and type 2C (sgcg-null mice) and Emery-Dreifuss muscular dystrophy (KI-Lmna) [20].