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  • Title: Cassia absus-mediated upregulation of IL-4, IL-10 and downregulation of IL-1β, IL-6, TNF- α, NF-κB, IFN-γ in CFA-induced arthritis model.
    Author: Gul B, Anwar R, Saleem M, Noor A, Ullah MI.
    Journal: Inflammopharmacology; 2023 Jun; 31(3):1241-1256. PubMed ID: 37005957.
    Abstract:
    Traditional use of Cassia absus as an anti-inflammatory in conjunctivitis and bronchitis is well reported. Owing to its anti-inflammatory potential, the current study appraised in vivo anti-arthritic activity of n-hexane and aqueous extracts of Cassia absus seeds (200 mg/kg) using Complete Freund's Adjuvant (CFA) rat model of arthritis. Changes in paw size (mm), joint diameter (mm), and pain response (sec) were recorded at the baseline and then after CFA induction at the interval of 4 days till the 28th day. Blood samples of anesthetized rats were collected for the estimation of hematological, oxidative, and inflammatory biomarkers. Results showed percent inhibition in paw edema (45.09% and 60.79%) with both n-hexane and aqueous extracts, respectively. Significant reduction in paw size and ankle joint diameter (P < 0.01) was seen in extracts treated rats. Erythrocyte Sedimentation rate, C-Reactive Protein, White Blood Cell levels significantly lowered, and Hemoglobin, Platelets and Red Blood Cell count significantly increased post-treatments. Superoxide Dismutase, Catalase, and Glutathione were significantly improved (P < 0.0001) in treated groups as compared to CFA induced arthritic control. Real-time polymerase chain reaction investigation showed significant downregulation (P < 0.05) of Interleukin-1β, Tumor Necrosis Factor-α, Interleukin-6, Cycloxygenase-2, Nuclear Factor-κB, Prostaglandin E Synthase 2, Interferon Gamma and upregulation of Interleukin-4, Interleukin-10 in both n-hexane and aqueous extract-treated groups. It is thereby concluded that Cassia absus can significantly attenuate CFA-induced arthritis by modulation of oxidative and inflammatory biomarkers.
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