VasculitisBlood VesselsPolyarteritis NodosaCapillariesSystemic VasculitisChurg-Strauss SyndromeWegener GranulomatosisAntibodies, Antineutrophil CytoplasmicImmunohistochemistryEndothelium, VascularInflammationVasculitis, Leukocytoclastic, CutaneousAnti-Neutrophil Cytoplasmic Antibody-Associated VasculitisMyeloblastinMicroscopic PolyangiitisErythrovirusUrogenital NeoplasmsPurpura, Schoenlein-HenochVasculitis, Central Nervous SystemTakayasu ArteritisPeroxidasePlasma ExchangeInflammation MediatorsMucocutaneous Lymph Node SyndromeImmunosuppressive AgentsLymphatic VesselsRetinal VesselsNeutrophilsImmunoglobulins, IntravenousBiological MarkersMice, Inbred C57BLAutoimmune DiseasesNeovascularization, PhysiologicDisease Models, AnimalNeovascularization, PathologicAutoantibodiesNecrosisAdrenal Cortex HormonesGlomerulonephritisCyclophosphamideCoronary VesselsGlucocorticoidsEndothelial CellsSerine EndopeptidasesEnzyme-Linked Immunosorbent AssayMice, KnockoutAutoantigensKidney DiseasesTreatment OutcomeCytokinesLungCells, CulturedVascular Endothelial Growth Factor ARetrospective StudiesSignal TransductionPneumoniaArteriesTime Factors