UtrophinDystrophinMuscular Dystrophy, DuchenneMice, Inbred mdxMuscular Dystrophy, AnimalDystrophin-Associated ProteinsMuscular DystrophiesDystroglycansCytoskeletal ProteinsSarcolemmaMuscle, SkeletalSarcoglycansMembrane ProteinsDystrophin-Associated Protein ComplexMusclesMuscle Fibers, SkeletalMuscle ProteinsExonsGA-Binding Protein Transcription FactorShadowing (Histology)Molecular Sequence DataMorpholinosSpectrinNeuromuscular JunctionMice, Inbred C57BLNADH Tetrazolium ReductaseAgrin