Arthritis, RheumatoidAutoimmune DiseasesArthritisLupus Erythematosus, SystemicArthritis, ExperimentalLupus NephritisArthritis, InfectiousSynovial MembraneAntirheumatic AgentsArthritis, JuvenileAutoantibodiesRheumatoid FactorSynovial FluidArthritis, PsoriaticJointsArthritis, ReactiveAutoimmunityAntibodies, AntinuclearSynovitisOsteoarthritisAutoantigensImmunoglobulin GMethotrexateRheumatic DiseasesSeverity of Illness IndexBlood SedimentationSjogren's SyndromeTumor Necrosis Factor-alphaAntibodies, MonoclonalMice, Inbred DBAT-LymphocytesSulfasalazineHLA-DRB1 ChainsRheumatoid NoduleMetacarpophalangeal JointGold Sodium ThiomalateRheumatologyArthrographyPeptides, CyclicHLA-DR AntigensGenetic Predisposition to DiseaseMice, Inbred MRL lprB-LymphocytesWrist JointHLA-DR4 AntigenHydroxychloroquineCytokinesMice, Inbred NZBCollagen Type IITreatment OutcomeLupus Erythematosus, DiscoidLymphocyte ActivationEnzyme-Linked Immunosorbent AssayDisease Models, AnimalReceptors, Tumor Necrosis FactorCase-Control StudiesFinger JointSpondylitis, AnkylosingCitrullineInterleukin-17Protein Tyrosine Phosphatase, Non-Receptor Type 22Rats, Inbred LewBiological MarkersImmunosuppressive AgentsCells, CulturedAntigen-Antibody ComplexEncephalomyelitis, Autoimmune, ExperimentalImmunoglobulin MPrednisoloneAnti-Inflammatory AgentsMice, Inbred C57BLDrug Therapy, CombinationInflammationArthritis, GoutyOrganogold CompoundsFoot JointsCD4-Positive T-LymphocytesT-Lymphocytes, RegulatoryIsoxazolesScleroderma, SystemicPenicillamineTh17 CellsImmune ToleranceAutoimmune Diseases of the Nervous SystemFlow CytometryGlucocorticoidsKnee JointImmunologic FactorsInterleukin-6VasculitisAllelesInjections, Intra-ArticularCohort StudiesEpitopesGenotypeDiabetes Mellitus, Type 1Multiple SclerosisAntibodiesPolymorphism, Single NucleotideMice, Transgenic