Satellite Cells, Skeletal MuscleCell DifferentiationMuscle DevelopmentPAX7 Transcription FactorDNA, SatelliteMyoD ProteinSatellite Cells, PerineuronalMyoblastsMyogeninStem CellsMuscle, SkeletalRegenerationMyogenic Regulatory Factor 5Cells, CulturedRNA, SatelliteMuscle Fibers, SkeletalGene Expression Regulation, DevelopmentalCell LineageMyoblasts, SkeletalCell ProliferationTranscription FactorsCell DivisionSatellite CommunicationsMusclesMyogenic Regulatory FactorsCell LineSignal TransductionHematopoietic Stem CellsSatellite VirusesRNA, MessengerMice, Inbred C57BLGene Expression RegulationMolecular Sequence DataBase SequenceDNA-Binding ProteinsMice, TransgenicKeratinocytesImmunohistochemistryEpidermisHomeodomain ProteinsMice, KnockoutMyostatinPaired Box Transcription FactorsCardiotoxinsMuscle ProteinsCell CyclePhenotypeBone Marrow CellsTranscription, GeneticTrans-ActivatorsCell CountChick EmbryoMyeloid Progenitor CellsIn Situ HybridizationReverse Transcriptase Polymerase Chain ReactionGene ExpressionBasic Helix-Loop-Helix Transcription FactorsAntigens, CD34Embryonic Stem CellsCell SeparationTime FactorsFlow CytometryReceptors, NotchMesodermCell FusionErythroid Precursor CellsTretinoinEmbryo, MammalianTransfectionCobra Cardiotoxin ProteinsBlotting, WesternHematopoiesisBromodeoxyuridinePromoter Regions, GeneticDesminDown-RegulationApoptosisCell Culture TechniquesMice, Inbred mdxRepressor ProteinsNuclear ProteinsModels, BiologicalAmino Acid SequenceNerve Tissue ProteinsNeuronsMutationNeural Stem CellsLeukemia, Erythroblastic, AcuteMuscular AtrophyFluorescent Antibody TechniqueAnimals, NewbornMembrane ProteinsIntermediate Filament ProteinsCell NucleusUp-RegulationGene Expression ProfilingColony-Forming Units AssayMEF2 Transcription FactorsErythropoiesisHypertrophy