Stem CellsEmbryonic Stem CellsStem Cell TransplantationPluripotent Stem CellsCell DifferentiationHematopoietic Stem CellsAdult Stem CellsHematopoietic Stem Cell TransplantationStem Cell NicheCells, CulturedInduced Pluripotent Stem CellsNeural Stem CellsCell LineCell LineageMultipotent Stem CellsMesenchymal Stromal CellsMesenchymal Stem Cell TransplantationStem Cell FactorSignal TransductionCell ProliferationGene Expression RegulationFibroblastsMolecular Sequence DataFlow CytometryRNA, MessengerStem Cell ResearchGene Expression Regulation, DevelopmentalMice, Inbred C57BLTranscription FactorsPlant StemsBase SequenceCell Culture TechniquesNeuronsFetal Stem CellsCell SeparationBone Marrow CellsImmunohistochemistryCell DivisionModels, BiologicalGene ExpressionGene Expression ProfilingEmbryo, MammalianOrgan SpecificityNeoplastic Stem CellsHematopoietic Stem Cell MobilizationRegenerationTranscription, GeneticEpithelial CellsCell SurvivalTransfectionReverse Transcriptase Polymerase Chain ReactionPhenotypeApoptosisMice, TransgenicTime FactorsPromoter Regions, GeneticGreen Fluorescent ProteinsOctamer Transcription Factor-3Tumor Cells, CulturedDNA-Binding ProteinsHomeodomain ProteinsCell MovementCell Line, TumorCoculture TechniquesHematopoiesisRegenerative MedicineMutationTissue EngineeringAmino Acid SequenceFluorescent Antibody TechniqueCell CommunicationAntigens, CD34Microscopy, FluorescenceHeLa CellsAntigens, CDGenetic VectorsMice, KnockoutBiological MarkersTotipotent Stem CellsTransplantation, AutologousCell AdhesionBlotting, WesternMembrane ProteinsNerve Tissue ProteinsCell CyclePeripheral Blood Stem Cell TransplantationCell CountGerm CellsTransplantation, HomologousSOXB1 Transcription FactorsCricetinaeNuclear ProteinsMicroscopy, ConfocalOligonucleotide Array Sequence AnalysisSpermatogoniaColony-Forming Units AssayIn Situ HybridizationMacrophagesMice, SCIDT-Lymphocytes