von Willebrand FactorVascular Endothelial Growth Factor AVascular Endothelial Growth Factorsvon Willebrand DiseasesEndothelial Growth FactorsVascular Endothelial Growth Factor Receptor-2Receptors, Vascular Endothelial Growth FactorLymphokinesVascular Endothelial Growth Factor Receptor-1Neovascularization, PathologicRistocetinFactor VIIIPlatelet Glycoprotein GPIb-IX ComplexNeovascularization, PhysiologicReceptors, Growth FactorEndothelium, VascularVascular Endothelial Growth Factor CPlatelet AdhesivenessVascular Endothelial Growth Factor Receptor-3Endothelial CellsBlood Coagulation FactorsBlood PlateletsAngiogenesis Inhibitorsvon Willebrand Disease, Type 2Weibel-Palade BodiesCells, CulturedPlatelet Membrane Glycoproteinsvon Willebrand Disease, Type 1RNA, MessengerVascular Endothelial Growth Factor DVascular Endothelial Growth Factor BFibroblast Growth Factor 2Receptor Protein-Tyrosine KinasesImmunohistochemistryADAM ProteinsPlatelet AggregationDeamino Arginine VasopressinUmbilical VeinsHypoxia-Inducible Factor 1, alpha SubunitBleeding TimeNeuropilin-1Intercellular Signaling Peptides and ProteinsCrotalid VenomsSignal TransductionAngiogenesis Inducing AgentsAngiopoietin-2Angiopoietin-1HemostasisAntigens, CD31Recombinant ProteinsCapillariesEnzyme-Linked Immunosorbent AssayFibrinogenCollagenReverse Transcriptase Polymerase Chain ReactionEpidermal Growth FactorAntibodies, MonoclonalMice, NudeCell ProliferationCell MovementPurpura, Thrombotic ThrombocytopenicCell HypoxiaProtein BindingCell Line, TumorMolecular Sequence DataReceptor, Epidermal Growth FactorPregnancy ProteinsBlood VesselsCell DivisionHuman Umbilical Vein Endothelial CellsBlotting, WesternPlatelet ActivationTime FactorsHypoxia-Inducible Factor 1Disease Models, AnimalCapillary PermeabilityTransfectionMice, Inbred C57BLBiological MarkersMicrocirculationCell LineGene ExpressionTransforming Growth Factor betavon Willebrand Disease, Type 3Up-RegulationReceptor, TIE-2Bernard-Soulier SyndromeLymphangiogenesisGene Expression RegulationEndotheliumHepatocyte Growth FactorThrombinPhosphorylationThrombosisAmino Acid SequenceBase SequencePlatelet-Derived Growth FactorDose-Response Relationship, DrugTumor Cells, CulturedRetinal Neovascularization