Moderate physical activity as a prevention method for knee osteoarthritis and the role of synoviocytes as biological key
2019
Castrogiovanni, P | Di Rosa, M | Ravalli, S | Castorina, A | Guglielmino, C | Imbesi, R | Vecchio, M | Drago, F | Szychlinska, MA | Musumeci, G
© 2019 by the authors. Licensee MDPI, Basel, Switzerland. The purpose of this study was to investigate the influence of moderate physical activity (MPA) on the expression of osteoarthritis (OA)-related (IL-1β, IL-6, TNF-α, MMP-13) and anti-inflammatory and chondroprotective (IL-4, IL-10, lubricin) biomarkers in the synovium of an OA-induced rat model. A total of 32 rats were divided into four groups: Control rats (Group 1); rats performing MPA (Group 2); anterior cruciate ligament transection (ACLT)-rats with OA (Group 3); and, ACLT-rats performing MPA (Group 4). Analyses were performed using Hematoxylin & Eosin (H&E) staining, histomorphometry and immunohistochemistry. In Group 3, OA biomarkers were significantly increased, whereas, IL-4, IL-10, and lubricin were significantly lower than in the other experimental groups. We hypothesize that MPA might partake in rescuing type B synoviocyte dysfunction at the early stages of OA, delaying the progression of the disease.
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