AutoantibodiesLupus Erythematosus, SystemicLupus NephritisAntibodies, AntinuclearAutoantigensAutoimmune DiseasesImmunoglobulin GMice, Inbred NZBLupus Erythematosus, DiscoidAutoimmunityAntibody SpecificityMice, Inbred MRL lprEnzyme-Linked Immunosorbent AssayPemphigusImmunoglobulin MsnRNP Core ProteinsSjogren's SyndromeInsulin AntibodiesScleroderma, SystemicRNA, Small CytoplasmicAntibodies, AnticardiolipinB-LymphocytesGlutamate DecarboxylaseEpitopesRheumatoid FactorPemphigoid, BullousAntigen-Antibody ComplexAnemia, Hemolytic, AutoimmuneDesmoglein 3Lupus VulgarisRibonucleoproteinsMyositisAntiphospholipid SyndromeArthritis, RheumatoidAntibodies, AntiphospholipidThyroglobulinThyroiditis, AutoimmuneDiabetes Mellitus, Type 1Ribonucleoproteins, Small NuclearAntibodies, MonoclonalNon-Fibrillar CollagensReceptor-Like Protein Tyrosine Phosphatases, Class 8Complement C1qAntibodies, Antineutrophil CytoplasmicDesmoglein 1Antibodies, Anti-IdiotypicBinding Sites, AntibodyImmunoglobulin Idiotypesbeta 2-Glycoprotein IEpitope MappingVasculitisGlomerulonephritisCross ReactionsAntigen-Antibody ReactionsConnective Tissue DiseasesCoombs TestDermatomyositisDNARheumatic DiseasesFluorescent Antibody TechniqueParaneoplastic SyndromesCase-Control StudiesBiological MarkersIodide PeroxidaseFluorescent Antibody Technique, IndirectGraves DiseaseMixed Connective Tissue DiseaseSkin Diseases, VesiculobullousCardiolipinsPolyendocrinopathies, AutoimmuneT-LymphocytesDisease Models, AnimalMice, Inbred C57BLImmunosuppressive AgentsComplement C3NephritisMice, Inbred BALB CStiff-Person SyndromeComplement C4PolymyositisMice, Inbred StrainsCryoglobulinsMolecular Sequence DataKidney GlomerulusThyroid GlandLiver Cirrhosis, BiliaryAntibody FormationGenetic Predisposition to DiseaseProteinuriaHydroxychloroquineB-Lymphocyte SubsetsProtein Array AnalysisHepatitis, AutoimmuneImmunoglobulin AImmunoglobulin IsotypesAmino Acid SequenceMice, CongenicB-Cell Activating FactorKidneySeverity of Illness Index