Article ID | Journal | Published Year | Pages | File Type |
---|---|---|---|---|
9354041 | Journal of Orthopaedic Research | 2005 | 8 Pages |
Abstract
The concentration of sf-COMP was higher in TB with an osteochondral fracture than in STB with osteochondral fractures and TB and STB with OA. The chondrocytes in middle and deep zones of the articular cartilage of the osteochondral fragments (from a TB) expressed COMP mRNA, in contrast to the cartilage on the opposite side of the fracture where no expression was detected. In the synovial fluid from a joint (TB) with osteochondral fractures only intact COMP was present, whereas, fragmented COMP was more prominent in synovial fluid from a joint with OA. The concentration of sf-aggrecan did not differ between the two breeds, or between different lesions. The increased concentration of sf-COMP in TB with osteochondral fractures, but not in synovial fluid from equine joints with OA, is a novel finding. The results from this study indicate that elevated sf-COMP concentration in the joints of Thoroughbreds may be a useful marker for carpal joint osteochondral fragments.
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Authors
E. Skiöldebrand, D. HeinegÃ¥rd, M.-L. Eloranta, G. Nilsson, J. Dudhia, B. Sandgren, S. Ekman,