Multipotent Stem CellsCell DifferentiationStem CellsAdult Stem CellsEmbryonic Stem CellsHematopoietic Stem CellsEndothelial CellsMesenchymal Stromal CellsCell LineageStem Cell TransplantationCells, CulturedMesenchymal Stem Cell TransplantationPluripotent Stem CellsCell ProliferationBone Marrow CellsNeural CrestCell Culture TechniquesStem Cell NicheNeural Stem CellsHematopoietic Stem Cell TransplantationFlow CytometryChondrogenesisInduced Pluripotent Stem CellsOsteogenesisUmbilical VeinsImmunohistochemistryEndotheliumHuman Umbilical Vein Endothelial CellsNeurogliaRegenerationNeoplastic Stem CellsSignal TransductionStem Cell FactorMice, Inbred C57BLNeuronsCell SeparationCell MovementNeovascularization, PhysiologicEndothelium, VascularCell DivisionCell LineStem Cell ResearchHematopoiesisCell AdhesionFetal Stem CellsMice, TransgenicCoculture TechniquesReverse Transcriptase Polymerase Chain ReactionAntigens, CD34NestinRNA, MessengerGene Expression RegulationHair FollicleRegenerative MedicineOctamer Transcription Factor-3Gene Expression Regulation, DevelopmentalCell SurvivalEmbryo, MammalianColony-Forming Units AssayAntigens, CDMice, SCIDCattleModels, BiologicalSpermatogoniaPhenotypeTime FactorsBiological MarkersCell- and Tissue-Based TherapyPlant StemsSOXB1 Transcription FactorsVascular Endothelial Growth Factor AAortaGene Expression ProfilingTranscription FactorsGene ExpressionStromal CellsApoptosisTissue EngineeringGreen Fluorescent ProteinsCell CountGerm CellsProto-Oncogene Proteins c-kitHomeodomain ProteinsClone CellsTotipotent Stem CellsMice, KnockoutAntigens, CD31Epithelial CellsHematopoietic Stem Cell MobilizationCell TransplantationFibroblast Growth Factor 2Cell CommunicationNeovascularization, PathologicCulture Media, ConditionedBlotting, WesternCapillariesCell DedifferentiationEndothelium, CornealTransplantation, HeterologousTransplantation, Homologous