MyogeninMuscle DevelopmentMyoD ProteinMyogenic Regulatory Factor 5MyoblastsMyogenic Regulatory FactorsMuscle, SkeletalMusclesCell DifferentiationMyoblasts, SkeletalMuscle ProteinsMEF2 Transcription FactorsSatellite Cells, Skeletal MuscleMuscle Fibers, SkeletalPAX7 Transcription FactorGene Expression Regulation, DevelopmentalDesminSomitesHelix-Loop-Helix MotifsCell LineTranscription Factor 7-Like 1 ProteinTranscription FactorsRegenerationRhabdomyosarcoma, EmbryonalDNA-Binding ProteinsPaired Box Transcription FactorsGene Expression RegulationRhabdomyosarcomaMyosin Heavy ChainsCell FusionMuscle CellsTrans-ActivatorsMyostatinRNA, MessengerCreatine Kinase, MM FormCreatine KinaseCells, CulturedMolecular Sequence DataChick EmbryoBase SequenceMuscle DenervationTCF Transcription FactorsTranscription, GeneticQuailInhibitor of Differentiation Protein 1Promoter Regions, GeneticRhabdomyosarcoma, AlveolarTransfectionIn Situ HybridizationMesodermExtremitiesSignal TransductionGene ExpressionE-Box ElementsMyosinsStem CellsNuclear ProteinsImmunohistochemistryEnhancer Elements, GeneticFibroblast Growth Factor 6Embryo, NonmammalianHomeodomain ProteinsLimb BudsEmbryonic and Fetal DevelopmentRibsRepressor ProteinsTranscriptional ActivationCarcinoma, EmbryonalBlotting, NorthernMuscle Fibers, Fast-Twitch