MyoblastsCell DifferentiationMyoblasts, SkeletalMuscle DevelopmentCells, CulturedMyoD ProteinCell LineMusclesMyogeninMuscle, SkeletalMyoblasts, CardiacGene Expression Regulation, DevelopmentalStem CellsTranscription FactorsSignal TransductionCell FusionRNA, MessengerGene Expression RegulationCell DivisionCell ProliferationCell LineageMuscle Fibers, SkeletalSex DifferentiationEmbryonic Stem CellsMolecular Sequence DataDNA-Binding ProteinsBase SequenceTretinoinGene ExpressionReverse Transcriptase Polymerase Chain ReactionMuscle ProteinsImmunohistochemistryMice, Inbred C57BLTransfectionHomeodomain ProteinsPhenotypeChick EmbryoTranscription, GeneticOsteoblastsMice, KnockoutOsteogenesisSatellite Cells, Skeletal MuscleRegenerationAntigens, DifferentiationAdipogenesisMice, TransgenicMesenchymal Stromal CellsPromoter Regions, GeneticMyogenic Regulatory FactorsTime FactorsCell Culture TechniquesQuailTrans-ActivatorsIn Situ HybridizationBlotting, WesternDown-RegulationCell CycleAdipocytesEmbryo, MammalianNeuronsMuscle CellsMesodermNuclear ProteinsMutationRepressor ProteinsFluorescent Antibody TechniqueBasic Helix-Loop-Helix Transcription FactorsGene Expression ProfilingApoptosisFlow CytometryUp-RegulationModels, BiologicalDimethyl SulfoxideTumor Cells, CulturedMembrane ProteinsBone Marrow CellsAmino Acid SequenceCell TransplantationDesminHematopoietic Stem CellsMyogenic Regulatory Factor 5Cell SurvivalPAX7 Transcription FactorBone Morphogenetic ProteinsKeratinocytesDNA PrimersBone Morphogenetic Protein 2Receptors, NotchPhosphorylationTransforming Growth Factor betaMorphogenesisInhibitor of Differentiation ProteinsHL-60 CellsRNA, Small InterferingInhibitor of Differentiation Protein 1BromodeoxyuridineProto-Oncogene ProteinsEpidermisNerve Tissue ProteinsAlkaline Phosphatase