• Int. Immunopharmacol. · Aug 2014

    Evaluation of circulating levels of inflammatory and bone formation markers in axial spondyloarthritis.

    • Kenia Rodrigues de Andrade, Gláucio Ricardo Werner de Castro, Geison Vicente, Julia Salvan da Rosa, Marina Nader, PereiraIvanio AlvesIARheumatology Service, Professor Polydoro Ernani São Thiago University Hospital, Federal University of Santa Catarina (UFSC), Campus Universitário, Trindade, Florianópolis, Santa Catarina 88040-970, Brazil. Electronic address: ivanio.p, and Tânia Silvia Fröde.
    • Rheumatology Service, Professor Polydoro Ernani São Thiago University Hospital, Federal University of Santa Catarina (UFSC), Campus Universitário, Trindade, Florianópolis, Santa Catarina 88040-970, Brazil. Electronic address: keniarod@gmail.com.
    • Int. Immunopharmacol. 2014 Aug 1; 21 (2): 481-6.

    AbstractStudies have demonstrated the important role of bone remodelling and osteoimmunology in the progression of inflammatory lesions in axial spondyloarthritis (SpA) disease. This study was conducted to evaluate the inflammatory response by analysis of the serum levels of pro-inflammatory and new bone formation markers in patients with axial SpA who were treated or not treated with anti-tumour necrosis factor-α (anti-TNF-α) or non-steroidal drugs (NSAIDs) and to identify whether these drugs modify the activity and severity of the disease. The serum levels of myeloperoxidase (MPO), adenosine deaminase (ADA), nitric oxide metabolites (NOx), bone alkaline phosphatase (BAP), Dickkopf-1 (DKK-1), and osteoprotegerin (OP) were measured in 52 SpA patients who were treated or not with anti-TNF-α or NSAIDs and in 26 healthy controls using colourimetric and enzyme immunoassay tests. The activity and the severity of illness in patients with SpA were assessed using questionnaires (Bath Ankylosing Spondylitis Metrology Index (BASMI), Bath Ankylosing Spondylitis Functional Index (BASFI), and Bath Ankylosing Spondylitis Disease Activity Index (BASDAI)). A significant difference between the controls and the patients without medication was observed in relation to NOx, BAP, and OP (p<0.01). When the patients were compared with regard to their treatment, there were no clinically significant differences between the groups (p>0.05). In conclusion, The NOx, BAP, and OP are emerging as important inflammatory pathways in axial SpA. Also the anti-TNF-α or non-steroidal drugs reduce the inflammation and destructions, however these treatments do not modify the serum levels of these biomarkers.Copyright © 2014 Elsevier B.V. All rights reserved.

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