Satellite Cells, Skeletal MuscleMyoD ProteinCell DifferentiationPAX7 Transcription FactorDNA, SatelliteSatellite Cells, PerineuronalMuscle DevelopmentStem CellsMyogeninRegenerationMuscle, SkeletalCells, CulturedRNA, SatelliteMyoblastsMyogenic Regulatory Factor 5Cell LineageMuscle Fibers, SkeletalGene Expression Regulation, DevelopmentalCell ProliferationSatellite CommunicationsCell DivisionTranscription FactorsHematopoietic Stem CellsSatellite VirusesCell LineSignal TransductionMice, Inbred C57BLMolecular Sequence DataRNA, MessengerGene Expression RegulationBase SequenceKeratinocytesMyogenic Regulatory FactorsMice, TransgenicMyoblasts, SkeletalEpidermisDNA-Binding ProteinsImmunohistochemistryMusclesMice, KnockoutHomeodomain ProteinsMyostatinCardiotoxinsBone Marrow CellsCell CyclePhenotypeMyeloid Progenitor CellsTranscription, GeneticTrans-ActivatorsMuscle ProteinsAntigens, CD34Cell SeparationFlow CytometryCell CountGene ExpressionReverse Transcriptase Polymerase Chain ReactionPaired Box Transcription FactorsBasic Helix-Loop-Helix Transcription FactorsEmbryonic Stem CellsErythroid Precursor CellsTime FactorsIn Situ HybridizationTretinoinHematopoiesisPromoter Regions, GeneticTransfectionReceptors, NotchApoptosisBromodeoxyuridineBlotting, WesternMice, Inbred mdxEmbryo, MammalianNeural Stem CellsLeukemia, Erythroblastic, AcuteCell Culture TechniquesNeuronsAmino Acid SequenceRepressor ProteinsDown-RegulationNuclear ProteinsColony-Forming Units AssayNerve Tissue ProteinsMutationMuscular AtrophyErythropoiesisCell NucleusSatellite ImageryAnimals, NewbornChick EmbryoIntermediate Filament ProteinsHypertrophyModels, BiologicalGene Expression ProfilingFluorescent Antibody TechniqueCobra Cardiotoxin ProteinsUp-RegulationMembrane ProteinsTumor Cells, CulturedMesodermDimethyl Sulfoxide