Endothelial CellsStem CellsNeovascularization, PhysiologicCells, CulturedEndothelium, VascularHematopoietic Stem CellsAntigens, CD34Vascular Endothelial Growth Factor Receptor-2Umbilical VeinsCell DifferentiationEndotheliumStem Cell TransplantationCell MovementHuman Umbilical Vein Endothelial CellsVascular Endothelial Growth Factor ABone Marrow CellsAntigens, CD31IschemiaCell ProliferationNeovascularization, PathologicFlow CytometryCell CountCell AdhesionColony-Forming Units AssayCell LineageHindlimbChemokine CXCL12Mice, Inbred C57BLAntigens, CDHemangioblastsMyeloid Progenitor CellsSignal TransductionCapillariesFetal BloodNitric Oxide Synthase Type IIIRegenerationBlood VesselsCell SeparationAortaCell DivisionApoptosisBiological MarkersReceptor, TIE-2Time FactorsRats, NudeRNA, MessengerHematopoietic Stem Cell MobilizationGlycoproteinsCattleMice, TransgenicNitric OxideMice, KnockoutImmunohistochemistryCell SurvivalCell Culture TechniquesDisease Models, AnimalMesenchymal Stromal CellsBlood CellsAdult Stem CellsCell AgingReverse Transcriptase Polymerase Chain ReactionCell-Derived MicroparticlesAngiogenic ProteinsPeptidesMicrocirculationGene Expression RegulationVascular Cell Adhesion Molecule-1HematopoiesisAngiogenesis Inducing AgentsE-SelectinBone MarrowCoculture TechniquesWound HealingCell LinePhenotypeLeukocytes, MononuclearBlotting, WesternEndothelium, CornealReceptors, CXCR4Intercellular Adhesion Molecule-1Culture Media, ConditionedErythroid Precursor CellsLymphoid Progenitor CellsBone Marrow TransplantationUp-Regulationvon Willebrand FactorMicrovesselsVascular Endothelial Growth FactorsProto-Oncogene Proteins c-aktCell Adhesion MoleculesAngiogenesis InhibitorsFetal Stem CellsCell- and Tissue-Based TherapyEndothelial Growth FactorsAntigens, CD146Neural Stem CellsDose-Response Relationship, DrugGene Expression Regulation, DevelopmentalParacrine CommunicationRecombinant Proteins