Cell DifferentiationEukaryotic CellsMolecular Sequence DataCells, CulturedSignal TransductionCell LineTranscription FactorsBase SequenceAmino Acid SequenceRNA, MessengerStem CellsGene Expression Regulation, DevelopmentalGene Expression RegulationEmbryonic Stem CellsDNA-Binding ProteinsCell LineageCell DivisionTranscription, GeneticCell ProliferationModels, BiologicalTretinoinMutationGene ExpressionSaccharomyces cerevisiaeProtein BindingMice, Inbred C57BLPhenotypeReverse Transcriptase Polymerase Chain ReactionMice, KnockoutSequence Homology, Amino AcidSex DifferentiationHomeodomain ProteinsNuclear ProteinsTransfectionMice, TransgenicCell CyclePromoter Regions, GeneticCell NucleusMembrane ProteinsCloning, MolecularSaccharomyces cerevisiae ProteinsEukaryotaRepressor ProteinsPhosphorylationImmunohistochemistryTrans-ActivatorsBlotting, WesternEukaryotic Initiation Factor-2DNA PrimersProtein Structure, TertiaryGene Expression ProfilingDNATumor Cells, CulturedRecombinant ProteinsRecombinant Fusion ProteinsTime FactorsPhylogenyProtein BiosynthesisEukaryotic Initiation Factor-4EEmbryo, MammalianFlow CytometryCarrier ProteinsEpithelial CellsSequence AlignmentOsteogenesisIn Situ HybridizationDown-RegulationProteinsBasic Helix-Loop-Helix Transcription FactorsMesenchymal Stromal CellsOsteoblastsBinding SitesAntigens, DifferentiationCell Culture TechniquesDimethyl SulfoxideHL-60 CellsHematopoietic Stem CellsApoptosisNeuronsUp-RegulationB-LymphocytesHeLa CellsLeukemia, Erythroblastic, AcuteKineticsMuscle DevelopmentAdipogenesisMyoblastsPlasma CellsBone Marrow CellsMicroscopy, FluorescenceBacterial ProteinsCell SurvivalGreen Fluorescent ProteinsPeptide Initiation FactorsMorphogenesisReceptors, NotchFluorescent Antibody TechniqueEvolution, MolecularCell Cycle ProteinsProtein Transport