Endothelial CellsStem CellsCells, CulturedUmbilical VeinsHuman Umbilical Vein Endothelial CellsEndotheliumEndothelium, VascularNeovascularization, PhysiologicHematopoietic Stem CellsCell AdhesionPlant StemsCattleStem Cell TransplantationAortaCell MovementVascular Endothelial Growth Factor AAdult Stem CellsNeoplastic Stem CellsEndothelium, CornealCapillariesNeovascularization, PathologicSignal TransductionAntigens, CD31Vascular Cell Adhesion Molecule-1RNA, MessengerPluripotent Stem CellsCell ProliferationMicrocirculationIntercellular Adhesion Molecule-1E-SelectinCell LineStem Cell NicheNitric Oxide Synthase Type IIIVascular Endothelial Growth Factor Receptor-2Neural Stem CellsHematopoietic Stem Cell TransplantationCell DivisionCell Adhesion MoleculesNitric OxideBlood VesselsInduced Pluripotent Stem CellsEndothelial Growth FactorsMice, Inbred C57BLGene Expression RegulationImmunohistochemistryMicrovesselsApoptosisVascular Endothelial Growth FactorsCoculture TechniquesMultipotent Stem CellsTime FactorsCell SurvivalLymphokinesReverse Transcriptase Polymerase Chain ReactionCapillary PermeabilityTumor Necrosis Factor-alphaStress, MechanicalAngiogenesis InhibitorsBlotting, WesternMesenchymal Stem Cell TransplantationFlow CytometryDose-Response Relationship, DrugUp-RegulationFibroblast Growth Factor 2Receptor, TIE-2PhosphorylationMesenchymal Stromal Cellsvon Willebrand FactorAntigens, CDCell DifferentiationStem Cell FactorPulmonary ArteryGene ExpressionCulture Media, ConditionedCell CommunicationCell LineageReceptors, Vascular Endothelial Growth FactorRetinal VesselsThrombinBrain StemMolecular Sequence DataSwineEnzyme ActivationEnzyme InhibitorsRNA, Small InterferingEpoprostenolTransfectionReceptors, Cell SurfaceMice, KnockoutNitric Oxide SynthaseAngiopoietin-1Umbilical CordBlood-Brain BarrierRecombinant ProteinsPericytesBase SequenceCell SeparationFluorescent Antibody TechniqueMembrane ProteinsEndothelium, Lymphatic