Endothelial CellsStem CellsCells, CulturedEndothelium, VascularUmbilical VeinsHematopoietic Stem CellsStem Cell TransplantationEmbryonic Stem CellsAdult Stem CellsHuman Umbilical Vein Endothelial CellsEndotheliumPluripotent Stem CellsHematopoietic Stem Cell TransplantationStem Cell NicheCell DifferentiationNeovascularization, PhysiologicCattleNeural Stem CellsInduced Pluripotent Stem CellsVascular Endothelial Growth Factor ACell AdhesionAortaMultipotent Stem CellsCell ProliferationMesenchymal Stem Cell TransplantationSignal TransductionCell MovementMesenchymal Stromal CellsStem Cell FactorNeovascularization, PathologicRNA, MessengerCell LineageVascular Cell Adhesion Molecule-1Cell LineAntigens, CD31Gene Expression RegulationMice, Inbred C57BLCell DivisionEndothelial Growth FactorsImmunohistochemistryIntercellular Adhesion Molecule-1Vascular Endothelial Growth FactorsCapillariesReverse Transcriptase Polymerase Chain ReactionVascular Endothelial Growth Factor Receptor-2LymphokinesStem Cell ResearchCell Culture TechniquesE-SelectinBlood VesselsFlow CytometryCell SurvivalCoculture TechniquesApoptosisTime FactorsCell Adhesion MoleculesPlant StemsFetal Stem CellsStress, MechanicalNitric Oxide Synthase Type IIIMicrocirculationGene ExpressionReceptors, Vascular Endothelial Growth FactorBlotting, WesternNitric OxideAntigens, CDBone Marrow CellsTumor Necrosis Factor-alphaDose-Response Relationship, DrugRetinal VesselsCell SeparationHematopoietic Stem Cell MobilizationUmbilical CordUp-RegulationRegenerationReceptors, Growth FactorFibroblast Growth Factor 2PhosphorylationAngiogenesis InhibitorsNeoplastic Stem CellsCulture Media, ConditionedEndothelium, CornealAntigens, CD34RNA, Small InterferingTransfectionMice, KnockoutMicrovesselsCell CommunicationMice, TransgenicEmbryo, MammalianCapillary PermeabilityModels, BiologicalMolecular Sequence DataReceptor, TIE-2HematopoiesisBase SequenceRecombinant ProteinsOctamer Transcription Factor-3von Willebrand FactorMembrane Proteins