Mesenchymal Stem Cell TransplantationMesenchymal Stromal CellsStem CellsEndothelial CellsCell DifferentiationCells, CulturedBone Marrow CellsAdult Stem CellsStem Cell TransplantationOsteogenesisHematopoietic Stem CellsEmbryonic Stem CellsChondrogenesisCell ProliferationMultipotent Stem CellsTissue EngineeringCell Culture TechniquesCell LineageAdipogenesisPluripotent Stem CellsStem Cell NicheUmbilical CordTissue ScaffoldsCoculture TechniquesHematopoietic Stem Cell TransplantationUmbilical VeinsHuman Umbilical Vein Endothelial CellsFetal Stem CellsInduced Pluripotent Stem CellsNeovascularization, PhysiologicRegenerationNeural Stem CellsFlow CytometryCell MovementCell SeparationCell- and Tissue-Based TherapyOsteoblastsRegenerative MedicineEndotheliumCell AdhesionCell ShapeCulture Media, ConditionedCell SurvivalSignal TransductionMice, Inbred C57BLReverse Transcriptase Polymerase Chain ReactionGene Expression RegulationBone RegenerationCell TrackingAlkaline PhosphataseEndothelium, VascularImmunohistochemistryParacrine CommunicationVascular Endothelial Growth Factor AChondrocytesStem Cell FactorBone Morphogenetic Protein 2ImmunomodulationCell LineAdipocytesDisease Models, AnimalRNA, MessengerTime FactorsBiocompatible MaterialsGene ExpressionBiological MarkersWound HealingMice, SCIDAdipose TissueFetal BloodOsteocytesCattleApoptosisAntigens, CDCore Binding Factor Alpha 1 SubunitMesodermPhenotypeGene Expression ProfilingRats, Sprague-DawleyBlotting, WesternWharton JellyCell CommunicationHydrogelsStem Cell ResearchNanofibersHydrogelTransduction, GeneticNeoplastic Stem CellsExtracellular MatrixImmunophenotypingTransplantation, AutologousCell DivisionPericytesCell TransplantationTransplantation, HeterologousTransplantation, HomologousAntigens, CD34Antigens, CD31Intercellular Signaling Peptides and ProteinsCell Count