Arthritis, RheumatoidArthritisArthritis, ExperimentalArthritis, InfectiousSeverity of Illness IndexArthritis, JuvenileArthritis, PsoriaticArthritis, ReactiveJointsSynovial MembraneSynovial FluidArthritis, GoutyRheumatoid FactorMice, Inbred DBASynovitisOsteoarthritisCollagen Type IIRats, Inbred LewTreatment OutcomeAutoantibodiesMethotrexateBlood SedimentationTumor Necrosis Factor-alphaDisease Models, AnimalImmunoglobulin GInjections, Intra-ArticularKnee JointArthrographyInjury Severity ScoreRheumatic DiseasesRheumatologyBiological MarkersProspective StudiesTime FactorsAutoimmune DiseasesSpondylitis, AnkylosingMetacarpophalangeal JointSulfasalazineAntibodies, MonoclonalPeptides, CyclicCase-Control StudiesChronic DiseaseCollagenHLA-DRB1 ChainsPsoriasisTarsal JointsAnti-Inflammatory AgentsCytokinesWrist JointRheumatoid NoduleFollow-Up StudiesTrauma Severity IndicesGold Sodium ThiomalatePainRisk FactorsFinger JointInflammationCohort StudiesLyme DiseaseReceptors, Tumor Necrosis FactorQuestionnairesRetrospective StudiesDisability EvaluationHLA-DR4 AntigenJoint DiseasesHLA-DR AntigensEnzyme-Linked Immunosorbent AssayPain MeasurementMice, Inbred C57BLCartilage, ArticularGenetic Predisposition to DiseaseT-LymphocytesDrug Therapy, CombinationEdemaCitrullineInterleukin-6SpondylarthropathiesFoot JointsInterleukin-17Ankle JointPredictive Value of TestsQuality of LifeAcute DiseaseReproducibility of ResultsDouble-Blind MethodCells, CulturedPrevalenceStatistics, NonparametricCross-Sectional StudiesFreund's AdjuvantHand JointsGenotypeHLA-B27 AntigenTarsus, AnimalLupus Erythematosus, SystemicTenosynovitisMice, KnockoutInterleukin 1 Receptor Antagonist ProteinPrognosisInterleukin-1