Arthritis, RheumatoidArthritisArthritis, ExperimentalArthritis, InfectiousArthritis, JuvenileArthritis, PsoriaticArthritis, ReactiveSynovial MembraneJointsSynovial FluidArthritis, GoutyRheumatoid FactorMice, Inbred DBASynovitisOsteoarthritisCollagen Type IISeverity of Illness IndexMethotrexateAutoantibodiesRats, Inbred LewBlood SedimentationInjections, Intra-ArticularTumor Necrosis Factor-alphaImmunoglobulin GRheumatic DiseasesArthrographyRheumatologyKnee JointTime FactorsDisease Models, AnimalTreatment OutcomeSpondylitis, AnkylosingMetacarpophalangeal JointAutoimmune DiseasesSulfasalazinePeptides, CyclicAntibodies, MonoclonalWrist JointCollagenHLA-DRB1 ChainsGold Sodium ThiomalateRheumatoid NoduleFinger JointTarsal JointsAnti-Inflammatory AgentsLyme DiseaseReceptors, Tumor Necrosis FactorHLA-DR4 AntigenJoint DiseasesHLA-DR AntigensCytokinesPsoriasisCitrullineBiological MarkersInflammationSpondylarthropathiesFoot JointsT-LymphocytesCartilage, ArticularAnkle JointCells, CulturedGenetic Predisposition to DiseaseEnzyme-Linked Immunosorbent AssayEdemaCase-Control StudiesDrug Therapy, CombinationFollow-Up StudiesPainChronic DiseaseTarsus, AnimalInterleukin-17Mice, Inbred C57BLFreund's AdjuvantDisability EvaluationLupus Erythematosus, SystemicHLA-B27 AntigenTenosynovitisInterleukin-6Hand JointsProspective StudiesOrganogold CompoundsGlucose-6-Phosphate IsomeraseInterleukin-1Cohort StudiesInterleukin 1 Receptor Antagonist ProteinRisk FactorsImmunoglobulin MAutoantigensPrednisoloneHindlimbMice, KnockoutPain MeasurementCartilageNational Institute of Arthritis and Musculoskeletal and Skin Diseases (U.S.)AutoimmunityIsoxazolesPenicillamineArthralgiaFibroblastsGlucocorticoids