Arthritis, RheumatoidArthritisArthritis, ExperimentalArthritis, InfectiousArthritis, JuvenileArthritis, PsoriaticArthritis, ReactiveSynovial MembraneJointsSynovial FluidArthritis, GoutyRheumatoid FactorMice, Inbred DBASynovitisOsteoarthritisCollagen Type IIMethotrexateSeverity of Illness IndexRats, Inbred LewAutoantibodiesBlood SedimentationInjections, Intra-ArticularTumor Necrosis Factor-alphaImmunoglobulin GRheumatic DiseasesArthrographyRheumatologyKnee JointDisease Models, AnimalMetacarpophalangeal JointSpondylitis, AnkylosingSulfasalazinePeptides, CyclicAntibodies, MonoclonalAutoimmune DiseasesGold Sodium ThiomalateCollagenWrist JointTreatment OutcomeRheumatoid NoduleLyme DiseaseHLA-DRB1 ChainsTarsal JointsFinger JointAnti-Inflammatory AgentsReceptors, Tumor Necrosis FactorHLA-DR4 AntigenJoint DiseasesRaccoon DogsHLA-DR AntigensCitrullineCartilage, ArticularTime FactorsCytokinesSpondylarthropathiesFoot JointsPsoriasisEnzyme-Linked Immunosorbent AssayInflammationAnkle JointT-LymphocytesEdemaBiological MarkersFreund's AdjuvantInterleukin-17Tarsus, AnimalDrug Therapy, CombinationTenosynovitisCells, CulturedOrganogold CompoundsHLA-B27 AntigenChronic DiseasePainHand JointsGlucose-6-Phosphate IsomeraseLupus Erythematosus, SystemicDisability EvaluationInterleukin-6HindlimbGenetic Predisposition to DiseaseInterleukin-1Interleukin 1 Receptor Antagonist ProteinCartilagePrednisoloneCase-Control StudiesIsoxazolesBorrelia burgdorferiMice, Inbred C57BLNational Institute of Arthritis and Musculoskeletal and Skin Diseases (U.S.)Immunoglobulin MPenicillamineAutoantigensYersinia InfectionsPain MeasurementFollow-Up StudiesArthralgiaFibroblastsSpondylarthritisAutoimmunityToe Joint