DystrophinMice, Inbred mdxMuscular Dystrophy, DuchenneMuscular Dystrophy, AnimalUtrophinMuscle, SkeletalMuscular DystrophiesDystrophin-Associated ProteinsDystroglycansSarcolemmaSarcoglycansExonsCytoskeletal ProteinsDystrophin-Associated Protein ComplexMusclesMorpholinosMuscle ProteinsMuscle Fibers, SkeletalOligoribonucleotides, Antisense