Fetal BloodFetusAnimals, NewbornCell TransdifferentiationCell DifferentiationCells, CulturedAgingNuclear ReprogrammingEmbryonic Stem CellsStem CellsCloning, OrganismPluripotent Stem CellsInduced Pluripotent Stem CellsAdult Stem CellsGene Expression Regulation, DevelopmentalEmbryo, MammalianInfant, NewbornFibroblastsRNA, MessengerCell LineageMice, Inbred C57BLGene Expression RegulationCell Culture TechniquesCell DivisionAge FactorsPhenotypeTime FactorsGene Expression ProfilingFlow CytometryCell LinePregnancyTranscription FactorsMice, TransgenicMolecular Sequence DataTranscription, GeneticSignal TransductionModels, BiologicalMice, KnockoutMice, Inbred StrainsBrainNeuronsNeurogenesisMice, Inbred BALB CImmunohistochemistryMice, Inbred ICRIn Situ HybridizationDentate GyrusTestisLateral VentriclesEpendymaDisease Models, AnimalCell ProliferationNeural Stem CellsOlfactory BulbGreen Fluorescent ProteinsGene ExpressionBromodeoxyuridineHippocampusCell CountTissue DistributionSpleenOrgan SpecificityBase SequenceNerve Tissue ProteinsMice, Mutant StrainsProsencephalonIntegrasesThymus GlandReverse Transcriptase Polymerase Chain ReactionMice, 129 StrainSpermatogenesisSpermatogoniaMice, Inbred CBALiverTransgenesGene DeletionSaccule and UtricleBehavior, AnimalMyocytes, CardiacHematopoietic Stem CellsRegenerationOlfactory MucosaCerebral VentriclesFluorescent Antibody TechniqueNeurogliaRabies virusAmino Acid SequenceCell SeparationRetinaEmbryonic and Fetal DevelopmentDoxycyclineBlotting, WesternNestinHomeodomain ProteinsCell SurvivalMice, Inbred C3HAstrocytesMyocardiumNerve RegenerationNeuronal Plasticity