Clone CellsCell DifferentiationCell LineHistiocytoma, Benign FibrousRhabdomyosarcomaCells, CulturedCell DivisionMolecular Sequence DataBase SequenceAntigens, SurfaceCloning, MolecularCell Transformation, ViralStem CellsKaryotypingTumor Cells, CulturedGene Expression Regulation, DevelopmentalAmino Acid SequenceTranscription FactorsRNA, MessengerSignal TransductionNeoplasms, ExperimentalEmbryonic Stem CellsGene Expression RegulationMammary Neoplasms, ExperimentalCell LineageCytotoxicity, ImmunologicTretinoinCell ProliferationDNA-Binding ProteinsGene ExpressionMice, Inbred C57BLTranscription, GeneticReverse Transcriptase Polymerase Chain ReactionPhenotypeSex DifferentiationHomeodomain ProteinsMice, KnockoutMice, TransgenicDNA, ComplementaryPromoter Regions, GeneticImmunohistochemistryMutationDNASequence Homology, Amino AcidDNA PrimersIn Situ HybridizationTransfectionTrans-ActivatorsEmbryo, MammalianB-LymphocytesGene Expression ProfilingFlow CytometryRepressor ProteinsPolymerase Chain ReactionOsteogenesisHematopoietic Stem CellsAntigens, DifferentiationBlotting, WesternBasic Helix-Loop-Helix Transcription FactorsMesenchymal Stromal CellsOsteoblastsCell Culture TechniquesDimethyl SulfoxideHL-60 CellsBlotting, NorthernRecombinant ProteinsDown-RegulationEpithelial CellsModels, BiologicalLeukemia, Erythroblastic, AcuteTime FactorsMuscle DevelopmentNeuronsBone Marrow CellsSequence Analysis, DNAPlasma CellsNuclear ProteinsAdipogenesisMembrane ProteinsMyoblastsUp-RegulationReceptors, NotchCell CyclePlasmidsMorphogenesisApoptosisLymphocyte ActivationMesodermMice, Inbred BALB CFluorescent Antibody TechniqueT-LymphocytesChick EmbryoNerve Tissue ProteinsBone Morphogenetic ProteinsCarrier ProteinsNucleic Acid HybridizationSequence Homology, Nucleic AcidProtein BindingSequence AlignmentAdipocytes