alpha-FetoproteinsFetusFetal ProteinsCell DifferentiationTissue DistributionEmbryo, MammalianGene Expression Regulation, DevelopmentalMolecular Sequence DataOrgan SpecificityBase SequenceRNA, MessengerIn Situ HybridizationEmbryonic and Fetal DevelopmentAlternative SplicingAmino Acid SequenceMice, Inbred C57BLCloning, MolecularGene ExpressionCells, CulturedGene Expression RegulationCell LineStem CellsTranscription FactorsMice, TransgenicSignal TransductionMice, KnockoutImmunohistochemistryCell ProliferationCell LineageCell DivisionReverse Transcriptase Polymerase Chain ReactionSex DifferentiationTranscription, GeneticEmbryonic Stem CellsDNA-Binding ProteinsDNA, ComplementaryTestisMice, Inbred BALB CMice, Inbred StrainsLiverBlotting, NorthernGene Expression ProfilingPromoter Regions, GeneticPhenotypeAnimals, NewbornBrainTretinoinBlotting, WesternNeuronsTransfectionSequence Homology, Amino AcidTime FactorsDNA PrimersHomeodomain ProteinsMice, Inbred ICRSpleenDNAOsteogenesisPolymerase Chain ReactionTumor Cells, CulturedProtein IsoformsOsteoblastsNerve Tissue ProteinsAntigens, DifferentiationTrans-ActivatorsFluorescent Antibody TechniqueKidneyNuclear ProteinsHematopoietic Stem CellsProteinsMesenchymal Stromal CellsMice, Mutant StrainsThymus GlandMutationMembrane ProteinsBone Marrow CellsNeurogenesisSpecies SpecificityEpithelial CellsCell Culture TechniquesAdipogenesisBasic Helix-Loop-Helix Transcription FactorsAgingRepressor ProteinsUp-RegulationMyoblastsNeural Stem CellsApoptosisFlow CytometryMuscle DevelopmentModels, BiologicalKeratinocytesCell CycleRNAOligonucleotide Array Sequence AnalysisCarrier ProteinsCell NucleusRecombinant ProteinsEpidermis3T3 Cells