Cell LineageCell DifferentiationStem CellsCells, CulturedCell Culture TechniquesPhylogenyCell LineCell ProliferationCell Line, TumorMice, TransgenicGene Expression Regulation, DevelopmentalMolecular Sequence DataCell DivisionMice, Inbred C57BLSignal TransductionCell MovementBase SequenceFlow CytometryImmunohistochemistryTranscription FactorsHematopoietic Stem CellsCell SurvivalPhenotypeModels, BiologicalRNA, MessengerMice, NudeTumor Cells, CulturedEvolution, MolecularReverse Transcriptase Polymerase Chain ReactionHomeodomain ProteinsGene Expression RegulationApoptosisEpithelial CellsEmbryonic Stem CellsThymus GlandTissue EngineeringMice, Inbred BALB CGene ExpressionCell ShapeMesodermGerm CellsCell AdhesionBiocompatible MaterialsEmbryo, MammalianMutationTime FactorsBasic Helix-Loop-Helix Transcription FactorsBiological EvolutionAmino Acid SequenceMice, KnockoutHematopoiesisTransplantation, HeterologousTransfectionBlotting, WesternChimeraEmbryo, NonmammalianMultipotent Stem CellsMicroscopy, FluorescenceEndodermEctodermMorphogenesisB-LymphocytesBone Marrow CellsFluorescent Antibody TechniqueSequence Analysis, DNALymphopoiesisDNA-Binding ProteinsGene Expression ProfilingCell Transformation, NeoplasticNeoplasm TransplantationIn Situ HybridizationMice, SCIDReceptors, NotchUrochordataPromoter Regions, GeneticTranscription, GeneticNeoplasm InvasivenessGene Expression Regulation, NeoplasticCell CycleNeoplasms, ExperimentalNeuronsUp-RegulationBlastomeresClone CellsDown-RegulationRNA InterferenceT-LymphocytesGenetic VariationBody PatterningFibroblastsTissue ScaffoldsEnteroendocrine CellsEmbryonic DevelopmentDisease Models, AnimalGreen Fluorescent ProteinsCell SeparationPluripotent Stem CellsNeural CrestAntineoplastic AgentsPolymers