GENE EXPRESSION PROFILES AND PRODUCTS FOR THE DIAGNOSIS AND PROGNOSIS OF POSTINJURY SYNOVITIS AND OSTEOARTHRITIS
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Issued Date -
Jul 11, 2013
app pub date -
Mar 8, 2013
filing date -
Sep 15, 2010
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Abstract
Associations between inflammation and pain/function scores were tested by univariate and multivariate analyses. Gene expression was analyzed by microarray and real-time PCR comparing patients with and without synovial inflammation. Synovitis was present in 43% of patients presenting for arthroscopic menisectomy. Inflammation was associated with pre-operative Lysholm scores, independent of age, gender, and BMI. Synovial RNA microarray analysis revealed 260 genes differently expressed ≧2-fold between patients with and without synovitis. A chemokine signature identified in the “inflammatory” biopsies was confirmed by real-time PCR. In conclusion, in patients presenting for arthroscopic menisectomy, synovitis is associated with symptoms. Comparison of expression patterns revealed enrichment of chemokines associated with cellular recruitment and activation in patients with synovitis. These chemokines may represent targets for therapeutic intervention to reduce inflammatory symptoms in patients with meniscal injury.
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