Cell DifferentiationCell ProliferationCells, CulturedCell DivisionSignal TransductionTranscription FactorsCell LineStem CellsGene Expression Regulation, DevelopmentalRNA, MessengerKeratinocytesGene Expression RegulationEpidermisMolecular Sequence DataCell LineageDNA-Binding ProteinsBase SequenceTretinoinMice, Inbred C57BLCell CycleApoptosisImmunohistochemistryMice, KnockoutMice, TransgenicEmbryonic Stem CellsReverse Transcriptase Polymerase Chain ReactionPhenotypeGene ExpressionTumor Cells, CulturedSex DifferentiationHomeodomain ProteinsTranscription, GeneticTransfectionBlotting, WesternMyoD ProteinLeukemia, Erythroblastic, AcuteTrans-ActivatorsDown-RegulationFlow CytometryDimethyl SulfoxidePromoter Regions, GeneticIn Situ HybridizationMuscle DevelopmentAmino Acid SequenceCell SurvivalMyogeninEpithelial CellsCell Line, TumorMyoblastsOsteogenesisTime FactorsOsteoblastsNuclear ProteinsHematopoietic Stem CellsAntigens, DifferentiationMutationUp-RegulationKeratinsRepressor ProteinsProto-Oncogene ProteinsBone Marrow CellsBromodeoxyuridineCell Culture TechniquesModels, BiologicalEmbryo, MammalianMesenchymal Stromal CellsGene Expression ProfilingBasic Helix-Loop-Helix Transcription FactorsNeuronsPhosphorylationAdipogenesisCell MovementMembrane ProteinsHL-60 CellsDNA PrimersAdipocytesDNARNA, Small InterferingB-LymphocytesMorphogenesisErythropoiesisLymphocyte ActivationGrowth InhibitorsFluorescent Antibody TechniqueTransforming Growth Factor betaNerve Tissue ProteinsProtein BindingChick EmbryoFibroblastsReceptors, NotchAlkaline PhosphataseGranulocytesCell NucleusMyoblasts, SkeletalMice, Inbred BALB CMesodermCaspase 14Proto-Oncogene Proteins c-mycBlotting, NorthernErythroid Precursor Cells