Umbilical VeinsHuman Umbilical Vein Endothelial CellsEndothelial CellsEndothelium, VascularCells, CulturedCell AdhesionEndotheliumNeovascularization, PhysiologicE-SelectinVascular Cell Adhesion Molecule-1Vascular Endothelial Growth Factor AUmbilical ArteriesCell MovementVeinsIntercellular Adhesion Molecule-1Umbilical CordApoptosisRNA, MessengerNeovascularization, PathologicTumor Necrosis Factor-alphaAngiogenesis InhibitorsNitric Oxide Synthase Type IIISignal TransductionCell Adhesion MoleculesDose-Response Relationship, DrugCell ProliferationThrombinCell SurvivalCell LineNitric OxideVascular Endothelial Growth Factor Receptor-2Cell DivisionEnzyme ActivationPhosphorylationCulture Media, ConditionedUp-RegulationGene Expression RegulationBlotting, WesternTime FactorsNF-kappa BEndothelial Growth FactorsEnzyme Inhibitorsvon Willebrand FactorStress, MechanicalEpoprostenolInterleukin-1Vascular Endothelial Growth FactorsAortaSaphenous VeinChorioallantoic MembraneReverse Transcriptase Polymerase Chain ReactionLymphokinesInterleukin-8Proto-Oncogene Proteins c-aktTransfectionAntigens, CD31Coculture TechniquesRNA, Small InterferingCell Line, TumorMonocytesGene ExpressionThromboplastinFetal BloodReactive Oxygen SpeciesCaspase 3CaspasesFlow CytometryAngiogenesis Inducing AgentsRecombinant ProteinsAntigens, CDNeutrophilsCattleDown-RegulationCapillariesReceptors, Cell SurfaceFibroblast Growth Factor 2HistaminePortal VeinP-SelectinReceptors, Vascular Endothelial Growth FactorMicrocirculationLamininReceptors, ThrombinImmunohistochemistryThrombomodulinDrug CombinationsNitric Oxide SynthaseVaricose VeinsMolecular Sequence DataCell Culture TechniquesProto-Oncogene Proteins c-bcl-2LipopolysaccharidesTumor Cells, CulturedCapillary PermeabilityKineticsPhosphatidylinositol 3-KinasesOxidative StressPlasminogen InactivatorsCell CommunicationIntegrin alphaVbeta3