Is interleukin-17 implicated in early knee osteoarthritis pathogenesis as in rheumatoid arthritis?

Autor: Hoda M. Abdel-Naby, Sarah S. El-Tawab, Mohamed M. Rizk, Nesrin A. Aboeladl
Jazyk: angličtina
Rok vydání: 2022
Předmět:
Zdroj: Egyptian Rheumatology and Rehabilitation, Vol 49, Iss 1, Pp 1-7 (2022)
Druh dokumentu: article
ISSN: 1110-161X
2090-3235
DOI: 10.1186/s43166-022-00130-4
Popis: Abstract Background Interleukin-17 (IL-17) is a cytokine that promotes activation of multiple catabolic pathways resulting in cartilage and tissue damage. It has features making it increasingly attractive as a biological marker, especially in rheumatoid arthritis (RA) and osteoarthritis (OA). However, its expression is heterogeneous; not all patients’ exhibit high IL-17 levels, and its level along the disease course is still challenging to predict. Aim of the work The objectives of this study were to compare serum IL-17 levels in patients with early knee OA and in RA patients, to determine its correlation with disease activity in RA and to determine if it is correlated with functional scores in both RA and OA. Subjects and methods Twenty early knee OA patients (32.7 ± 3.7) years were included. Diagnosis of early OA was based on Luyten et al. 2012 early knee OA classification (early OA 2012). This study also included 25 RA patients aged 32.8 ± 5.1 years, and the diagnosis was according to 2010 ACR-EULAR classification criteria for RA. The current work also included a control group of 20 healthy volunteers aged 31.9 ± 3.2 years. The serum IL-17 level was assessed by using the ELISA technique. Results Serum IL-17 level was significantly high in early knee OA patients (5.2 pg/ml) and was significantly higher in RA patients (5.9 pg/ml) compared to the control group (4.9 pg/ml) (P < 0.001). Conclusions The increased serum IL-17 level in patients with early knee OA suggests its pathogenic role in the disease. Serum IL-17 positive correlation with the severity of knee OA-related pain proposes that it may be a potential marker to target for early treatment of knee OA-related pain.
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