Cell DifferentiationCD8-Positive T-LymphocytesMice, TransgenicImmunologic MemoryLymphocyte ActivationMice, Inbred C57BLMice, KnockoutDecision MakingCell LineageReceptors, NotchSignal TransductionGene Expression Regulation, DevelopmentalStem CellsCells, CulturedDecision Support TechniquesTranscription FactorsReceptor, Notch1Embryonic Stem CellsCell LineCell ProliferationDecision TreesGene Expression RegulationModels, BiologicalMolecular Sequence DataBasic Helix-Loop-Helix Transcription FactorsDNA-Binding ProteinsHomeodomain ProteinsCell DivisionMembrane ProteinsDrosophila ProteinsRNA, MessengerPhenotypeDecision Support Systems, ClinicalNeuronsRepressor ProteinsMutationSex DifferentiationIn Situ HybridizationBase SequenceDrosophilaMesodermEmbryo, MammalianHematopoietic Stem CellsReverse Transcriptase Polymerase Chain ReactionTrans-ActivatorsMorphogenesisTranscription, GeneticNerve Tissue ProteinsEndodermApoptosisAmino Acid SequenceBody PatterningNeural Stem CellsTime FactorsFlow CytometryEmbryo, NonmammalianDecision Making, Computer-AssistedImmunohistochemistryDecision TheoryPluripotent Stem CellsProtein BindingNuclear ProteinsGene Expression ProfilingGene ExpressionWnt ProteinsHematopoiesisImmunoglobulin J Recombination Signal Sequence-Binding ProteinTretinoinZebrafish ProteinsReceptor, Notch2Proto-Oncogene ProteinsPromoter Regions, GeneticAnimals, Genetically ModifiedMesenchymal Stromal CellsCell SurvivalBone Marrow CellsTransfectionCaenorhabditis elegansBlotting, WesternCell CycleNeurogenesisAntigens, DifferentiationGerm LayersDNA PrimersIntracellular Signaling Peptides and ProteinsZebrafishEpidermisbeta CateninCaenorhabditis elegans ProteinsOsteogenesisEctodermIntercellular Signaling Peptides and ProteinsDown-RegulationOsteoblastsPhosphorylationT-Box Domain ProteinsSense OrgansJuvenile HormonesOctamer Transcription Factor-3Neural Plate