Effect of mandarin peel extract on experimentally induced arthritis in male rats.

Rheumatoid arthritis (RA) is associated with joint damage. For treatment, non-steroidal anti-inflammatory drugs (NSAIDs), steroidal agents, and immune-suppressants are used. Their side-effects require a safe and effective natural alternative. Thirty-six male albino rats, half kept under observation for 1 week (group I) and others for 2 weeks (group II) were used. Each group was subdivided into: normal (A), RA (B), and oral mandarin-peel extract (MPE) treated (C). Ankle diameter, serum levels of RF, interleukin (IL)-1β, TNFα, IL-4, IL-10, liver homogenates malondialdehyde (MDA), glutathione (GSH), superoxide dismutase (SOD), and nitric oxide (NO) were measured together with the histopathological examination. MPE treatment was associated with increased serum IL-4, IL-10, liver homogenates GSH, and SOD, and decreased ankle diameter, serum RF, IL-1β, TNFα, liver homogenates MDA, NO, inflammatory cell infiltrate, and necrosis. Two weeks' treatment was better. MPE has useful effects in alleviating the disturbed ankle diameter, serum pro- and anti-inflammatory mediators, oxidative stress, and ankle joint histopathology in rheumatic rats.

Citation

Hader I Sakr, Akef A Khowailed, Safy S Gaber, Osama M Ahmed, Ahmed N Eesa. Effect of mandarin peel extract on experimentally induced arthritis in male rats. Archives of physiology and biochemistry. 2021 Apr;127(2):136-147

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PMID: 31172817

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