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  • Title: Synovial fluid analyses detect and differentiate proteoglycan metabolism in canine experimental models of osteoarthritis and disuse atrophy.
    Author: Ratcliffe A, Beauvais PJ, Saed-Nejad F, Shurety W, Caterson B.
    Journal: Agents Actions Suppl; 1993; 39():63-7. PubMed ID: 8456644.
    Abstract:
    Canine experimental models of osteoarthritis (OA) and disuse atrophy were used to study cartilage metabolism. The synovial fluids from the OA joints showed elevated levels of keratan sulfate (KS) epitope and link protein, indicating increased catabolism. Analysis of fluids from joints with disuse atrophy showed high levels of KS epitope, but no increase in link protein. Quantitation of a novel chondroitin sulfate (3B3) epitope showed it to be present only in the synovial fluids and articular cartilage of the OA joints. The results indicate that these may be important indicators, or markers, of degenerative joint disease.
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