Dandelion prevents liver fibrosis, inflammatory response, and oxidative stress in rats

Springer Science and Business Media LLC - Tập 81 Số 1 - 2020
Alaaeldin Ahmed Hamza1, Mohamed R. Mohamed1, Fawzy Mohamed Lashin1, Amr Amin2
1Hormone Evaluation Department, National Organization for Drug Control and Research (NODCAR), 6 Abu Hazem St., Pyramids, Giza, Egypt
2Biology Department, College of Science, United Arab Emirates University, Al-Ain, UAE

Tóm tắt

Abstract Background Liver fibrosis is the main contributor to the chronic liver-associated morbidity and mortality. Purpose The study was conducted to evaluate the effects of whole plant powder of dandelion (Taraxacum officinale) on liver fibrosis. Methods Liver fibrosis was induced by the oral administration of 20% carbon tetrachloride (CCL4), twice a week for 8 weeks. Simultaneously, dandelion root extract (500 mg/kg) was daily administered via the same route. Results Dandelion remarkably improved the liver histology as evidenced by histopathological scoring with hematoxylin-eosin staining. Masson staining and hydroxyproline content similarly showed that dandelion decreased collagen deposition. Both mRNA and protein levels of α-smooth muscle actin and collagens 1 and 3 have been decreased after dandelion treatment compared to CCL4 group. Dandelion also downregulated the mRNA expressions of inflammatory factors interleukin-IL-1β, tumor necrosis factor-α, remodeling growth factor-β1, cyclooxygenase-2, and nuclear factor kappa-B and decreased the myeloperoxidase activity. Additionally, the effects of dandelion were associated with the decreased levels of the hepatic oxidative stress markers (malondialdehyde and P. carbonyl) and elevation of the activity of superoxide dismutase activity. Dandelion’s effect to alleviate the fibrosis and inflammation induced by CCL4 treatment in the livers and was more pronounced than with silymarin. The total antioxidant study of dandelion extract revealed that dandelion has notable ferric reducing antioxidant power and high total phenolic content. Conclusion Finally, these results suggest that dandelion prevents the progression of hepatic fibrosis induced by CCL4. The dandelion’s antifibrotic effects could be attributed to its ability to scavenge free radicals and to attenuate inflammatory cells activations.

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Tập 81 Số 1

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