MyoblastsMyoblasts, SkeletalMuscle DevelopmentMyoD ProteinMyogeninMusclesMuscle, SkeletalMyogenic Regulatory Factor 5Cell DifferentiationMyogenic Regulatory FactorsMuscle Fibers, SkeletalCell FusionMuscle ProteinsSatellite Cells, Skeletal MusclePAX7 Transcription FactorCell LineMyoblasts, CardiacGene Expression Regulation, DevelopmentalRegenerationDesminMEF2 Transcription FactorsCells, CulturedSomitesChick EmbryoMuscle CellsPaired Box Transcription FactorsQuailTranscription FactorsMyosin Heavy ChainsMesodermMyostatinGene Expression RegulationCreatine KinaseRNA, MessengerSignal TransductionDNA-Binding ProteinsFibroblast Growth Factor 6Muscular Dystrophy, FacioscapulohumeralExtremitiesTransfectionMolecular Sequence DataBase SequenceStem CellsTranscription, GeneticEmbryo, NonmammalianTrans-ActivatorsCobra Cardiotoxin ProteinsMyosinsHelix-Loop-Helix MotifsIn Situ HybridizationImmunohistochemistryRhabdomyosarcomaCell DivisionGene ExpressionHomeodomain ProteinsCoturnixLimb BudsNotochordCell ProliferationMice, Inbred mdxCell LineageCell TransplantationMuscular DystrophiesPromoter Regions, GeneticDrosophila ProteinsTranscription Factor 7-Like 1 ProteinFluorescent Antibody TechniqueCreatine Kinase, MM FormNuclear ProteinsZebrafish ProteinsMembrane ProteinsDown-RegulationMuscle Fibers, Slow-TwitchActinsMuscular DiseasesGenes, ReporterRNA InterferenceEmbryonic InductionDystrophinProtein BindingMyofibrilsMuscle Fibers, Fast-TwitchGene Knockdown TechniquesModels, BiologicalCardiotoxinsAmino Acid SequenceDrosophilaTime FactorsMice, Inbred C57BLReceptors, NotchPhenotypeMutationMorphogenesisMuscular Dystrophy, DuchenneWnt ProteinsEmbryonic and Fetal DevelopmentRNA, Small InterferingBlotting, WesternRepressor ProteinsMice, Knockout