Embryo, MammalianMammalsBlastocystEmbryonic DevelopmentEmbryo, NonmammalianGene Expression Regulation, DevelopmentalEmbryonic and Fetal DevelopmentMolecular Sequence DataChick EmbryoZygoteStem CellsEmbryo ImplantationEmbryo Culture TechniquesAmino Acid SequenceCell DifferentiationCell LineBase SequenceNerve RegenerationCell LineageTranscription FactorsBlastomeresCulture TechniquesCells, CulturedCleavage Stage, OvumSignal TransductionPregnancyNeuronsIn Situ HybridizationRNA, MessengerMorulaMice, Inbred C57BLBody PatterningLateral VentriclesEctodermCricetinaeNeurogenesisEpendymaAdult Stem CellsMorphogenesisEndodermOocytesYolk SacTotipotent Stem CellsModels, BiologicalTime FactorsMice, TransgenicFibroblast Growth Factor 4HeLa CellsFertilization in VitroBromodeoxyuridineDNA-Binding ProteinsMesodermImmunohistochemistryHomeodomain ProteinsBlastocyst Inner Cell MassCerebral VentriclesCloning, MolecularGerm LayersNerve Tissue ProteinsSequence Homology, Amino AcidGene ExpressionGene Expression RegulationTransfectionMice, Inbred CBAMutationProsencephalonAxonsCattlePhenotypeOctamer Transcription Factor-3RegenerationMice, KnockoutEmbryonic Stem CellsTissue SurvivalBrainEmbryo LossGreen Fluorescent ProteinsCHO CellsTrophoblastsNeural Stem CellsDNAMice, Inbred ICROlfactory BulbCell MovementNeurogliaCell ProliferationNeural CrestProtein BindingDentate GyrusMembrane ProteinsGenomic ImprintingRecombinant ProteinsRecombinant Fusion ProteinsDNA, ComplementaryCricetulusMicroscopy, ConfocalCOS CellsCell NucleusTranscription, GeneticCell Survival