Stem Cell NicheStem CellsAdult Stem CellsEmbryonic Stem CellsHematopoietic Stem CellsEndothelial CellsCell DifferentiationStem Cell TransplantationCells, CulturedNeural Stem CellsCell ProliferationCell LineageMeristemPluripotent Stem CellsSignal TransductionSpermatogoniaMesenchymal Stromal CellsMultipotent Stem CellsHematopoietic Stem Cell TransplantationUmbilical VeinsRegenerationHair FollicleLimbus CorneaeCellular MicroenvironmentCell MovementGerm CellsNeoplastic Stem CellsHuman Umbilical Vein Endothelial CellsInduced Pluripotent Stem CellsModels, BiologicalEndotheliumEpendymaMice, Inbred C57BLCell Culture TechniquesBone Marrow CellsMesenchymal Stem Cell TransplantationCell AdhesionReceptors, NotchStem Cell FactorReceptor, EphB3HematopoiesisCell DivisionFlow CytometryEndothelium, VascularCell CommunicationPlant RootsHematopoietic Stem Cell MobilizationNeovascularization, PhysiologicGene Expression Regulation, DevelopmentalSatellite Cells, Skeletal MuscleImmunohistochemistryLateral VentriclesNeurogenesisCoculture TechniquesStromal CellsCell SeparationPaneth CellsTestisOctamer Transcription Factor-3Mice, TransgenicIndoleacetic AcidsGene Expression RegulationReverse Transcriptase Polymerase Chain ReactionRNA, MessengerCell CountOsteoblastsTranscription FactorsCell SurvivalExtracellular MatrixArabidopsis ProteinsBone MarrowMice, KnockoutStem Cell ResearchSTAT Transcription FactorsNeuroepithelial BodiesTissue EngineeringNestinHomeodomain ProteinsCattleBlood VesselsCell LineFetal Stem CellsEpithelial CellsSeminiferous TubulesBiological MarkersPlant StemsHematopoiesis, ExtramedullaryArabidopsisBromodeoxyuridineChemokine CXCL12Drosophila ProteinsPhenotypeTime FactorsEmbryo, MammalianVascular Endothelial Growth Factor AAortaApoptosisGene Expression ProfilingSpermatogenesisGreen Fluorescent Proteins