Artritli hastalarda IL-17A ve TNF-α’ nın izole sinovyositin osteoblastik farklılaşması ve kemik eksplant üzerindeki farklı etkisi

Frontiers in Immunology. 2015;6:151. doi:10.3389/fimmu.2015.00151

Inflammatory joint diseases such as RA and OA are characterised by bone and consequent joint destruction. The role of fibroblast-like synoviocytes (FLS) in the pathogenesis of such diseases is already established. This study compared the effects of TNF-α and IL-17A on osteogenic differentiation of isolated FLS and on whole bone explants from 3 RA and 10 OA patients.Results showed that isolated RA-FLS appeared more sensitive to the effects of TNF-α and IL-17A compared to OA-FLS. These findings support the current use of TNF-α inhibitors in RA, but not in OA, and propose that the combined blocking of TNF-α and IL-17A may represent a new option for controlling inflammatory bone disorders.

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