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05 February 2019 : Animal Research  

Selenium Nanoparticles Dispersed in Phytochemical Exert Anti-Inflammatory Activity by Modulating Catalase, GPx1, and COX-2 Gene Expression in a Rheumatoid Arthritis Rat Model

Shi-Xiang Ren1F, Bo Zhan1BCD, Yuan Lin1CD, De-Si Ma1BCDEF, Hui Yan2A*

DOI: 10.12659/MSM.912545

Med Sci Monit 2019; 25:991-1000


BACKGROUND: Literature shows that serum selenium concentration is low in rheumatoid arthritis (RA) patients. Biochemical properties of nanoparticles (NPs) are depend in its medium dispersed. Biochemical properties could effectively alter the therapeutic potential of NPs. Phytochemicals could serve as suitable medium for dispersion of NPs. P-Coumaric acid (CA) known to have anti-inflammatory activity.

MATERIAL AND METHODS: In the present experiment, we investigated the anti-inflammatory effect of SeNPs dispersed in 1% CA against Complete Freund’s adjuvant induced RA. Celecoxib was used as a reference drug.

RESULTS: Selenium NPs (SeNPs) size is maintained in 1% CA solution. We observed that supplementation with 500 μg/Kg body weight (b.w.) eNPs significantly restored the levels of thiobarbituric acid reactive substances, COX-2 activity, different antioxidant enzyme activities, and inflammatory cytokines (TNF-α, IL-1β, IL-6, and MCP-1) in RA rats. The mRNA expression of antioxidant enzymes such as MnSOD, Cu/ZnSOD, ECSOD, CAT, and GPx1 was found to be downregulated, whereas COX-2 was upregulated in RA rats; however, the mRNA expression of CAT, GPx1, and COX-2 reverted back to near normal levels in SeNPs-treated animals.

CONCLUSIONS: The therapeutic potential of SeNPs was confirmed through histological observation of angle joints in different experimental animals. Our results collectively suggest that SeNPs dispersed in CA can be an effective therapeutic agent for inflammatory disorders like acute gouty arthritis.

Keywords: Antioxidants, Arthritis, Juvenile, Nanoparticles, Selenium, Anti-Inflammatory Agents, Arthritis, Experimental, Arthritis, Rheumatoid, Catalase, celecoxib, Coumaric Acids, Cyclooxygenase 2, Cytokines, Glutathione Peroxidase, Metal Nanoparticles, Oxidative Stress, phytochemicals, Rats, Wistar



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Nahum Mendez-Sanchez, Shreya C. Pal
Faculty of Medicine, National Autonomous University of Mexico, Mexico City, Mexico

DOI: 10.12659/MSM.937371

Med Sci Monit 2022; 28:e937371


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Medical Science Monitor eISSN: 1643-3750
Medical Science Monitor eISSN: 1643-3750