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Panminerva Medica 2020 June;62(2):93-101

DOI: 10.23736/S0031-0808.20.03841-0


language: English

Combined effects of probiotic and chondroprotector during osteoarthritis in rats

Oleksandr KOROTKYI 1, Kateryna DVORSHCHENKO 1, Tetyana FALALYEYEVA 1 , Oksana SULAIEVA 2, Nazarii KOBYLIAK 3, Ludovico ABENAVOLI 4, Sharmila FAGOONEE 5, Rinaldo PELLICANO 6, Liudmila OSTAPCHENKO 1

1 Taras Shevchenko National University of Kyiv, Kyiv, Ukraine; 2 Laboratory of Pathology, CSD Health Care, Kyiv, Ukraine; 3 Department of Endocrinology, Bogomolets National Medical University, Kyiv, Ukraine; 4 Department of Health Sciences, Magna Graecia University, Catanzaro, Italy; 5 Institute of Biostructures and Bioimaging, Molecular Biotechnology Center, National Research Council (CNR), Turin, Italy; 6 Unit of Gastroenterology, Molinette Hospital, Turin, Italy

BACKGROUND: Osteoarthritis (OA) is a joint affection, defined by articular cartilage demolition, risks of which rise with age. The aim of this study was to compare the efficacy of chondroitin sulfate (CS) course and multistrain live probiotic (LP) administered alone or in combination on the expression of TLR-2, TLR-4, TNF-α and NF-κB in articular cartilage, subchondral bone and synovial membrane during OA in rats.
METHODS: OA was induced in male rats by injecting monoiodoacetate (MIA) in right hind knee. Therapeutic groups received 3 mg/kg of chondroprotector (ChP) CS for 28 days and/or 140 mg/kg of LP diet for 14 days. The expression of TLR-2, TLR-4, TNF-α and NF-κB in articular cartilage, subchondral bone and synovial membrane were determined with immunohistochemical staining kits (Thermo Fisher Scientific).
RESULTS: It was established that MIA injection is associated with long-term structural changes in joint tissues that corresponded to OA-like features and associated with activation of pathogen-recognizing molecules and proinflammatory signaling pathways expression. Separate therapy with ChP and probiotics slightly decreased OA score limiting cell death and subchondral bone resorption. However, these changes were not associated with a significant decrease in TLR-2, TLR-4, NF-kB and TNF-α expression. On the other hand, the combination of ChP and LP treatment significantly decreased OA score. This correlated with a decrease in TLR-2, TLR-4, NF-kB and TNF-α expression in chondrocytes and synovial cells.
CONCLUSIONS: The outcomes of our research prove that ChPs amplify the positive action of LPs in OA attenuation.

KEY WORDS: Osteoarthritis; Chondroitin sulfates; Probiotics; Toll-like receptors; NF-kappa B

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