OsteoarthritisCartilage, ArticularChondrocytesOsteoarthritis, KneeMatrix Metalloproteinase 13Knee JointOsteoarthritis, HipCollagen Type IIFemur HeadProteoglycansSynovial FluidSynovial MembraneCartilageAggrecansProcollagen N-EndopeptidaseCollagenasesMatrix Metalloproteinase 3Cartilage DiseasesMenisci, TibialCells, CulturedTibiaPatellaInterleukin-1Injections, Intra-ArticularMatrix Metalloproteinase 1FemurGlycosaminoglycansCollagen Type XHyaluronic AcidChondrocalcinosisCollagenCalcium PyrophosphateStifleExtracellular Matrix ProteinsChondrogenesisInterleukin-1betaRNA, MessengerMatrix MetalloproteinasesExtracellular MatrixSOX9 Transcription FactorADAM ProteinsArthroplasty, Replacement, KneeHallux VarusImmunohistochemistryReverse Transcriptase Polymerase Chain ReactionGene ExpressionHip Dysplasia, CanineDinoprostoneOsteoarthritis, SpineHip JointSynovitisAnterior Cruciate LigamentJointsMatrilin ProteinsTissue Culture TechniquesChondroitin SulfatesArthralgiaAnthraquinonesGlucosamineChondromaCartilage Oligomeric Matrix ProteinIn Situ HybridizationCathepsin KOsteosclerosisBone Morphogenetic Protein 7Growth Differentiation Factor 5Case-Control StudiesArthritis, ExperimentalOsteochondritisOsteotomyInterleukin-1alphaIodoacetic AcidPainChondrosarcomaFactor XIIIaRange of Motion, ArticularLectins, C-TypeIodoacetatesPhosphate Transport ProteinsArthrographyPhotogrammetryKnee ProsthesisBone Cysts5-Lipoxygenase-Activating ProteinsBone Morphogenetic ProteinsStress, MechanicalBiomechanical PhenomenaArthritis, RheumatoidKneeUp-RegulationPosterior Cruciate LigamentHydrostatic PressureMatrix Metalloproteinase 8Transforming Growth Factor betaLubricationHydroxylysineAnti-Inflammatory Agents, Non-SteroidalSeverity of Illness IndexCalcium PhosphatesViscosupplements