Lyophyllum decastes fruiting body polysaccharide alleviates acute liver injury by activating the Nrf2 signaling pathway
文献类型： 外文期刊
作者： Zhang, Fengpei 1 ; Xu, Hui 1 ; Yuan, Yuan 1 ; Huang, Haichen 1 ; Wu, Xiaoping 1 ; Zhang, Junli 3 ; Fu, Junsheng 1 ;
作者机构： 1.Fujian Agr & Forestry Univ, Coll Life Sci, Fuzhou 350002, Fujian, Peoples R China
2.Fujian Agr & Forestry Univ, Coll Life Sci, Mycol Res Canter, Fuzhou 350002, Peoples R China
3.Tibet Acad Agr & Anim Husb Sci, Lhasa 850000, Tibet, Peoples R China
期刊名称：FOOD & FUNCTION （ 影响因子：6.317； 五年影响因子：6.375 ）
ISSN： 2042-6496
年卷期： 2022 年 13 卷 4 期
页码：
收录情况： SCI
摘要： Polysaccharides have high antioxidant, hypoglycemic, hypolipidemic, hepatoprotective, anti-tumor, and anticancer activities. In this study, the ability of the Lyophyllum decastes fruiting body polysaccharide (LDFP) to protect against CCl4-induced acute liver injury in mice by activating the Nrf2 pathway was studied. LDFP can inhibit the activity of ALT, AST, TC, TG, tumor necrosis factor (TNF-alpha), and interleukin-6 (IL-6) in serum; significantly improve the inflammatory state of the liver; increase the activity of superoxide dismutase (SOD) and the glutathione (GSH) content; decrease the malondialdehyde (MDA) content; alleviate the toxicity caused by reactive oxygen species; and alleviate liver injury. Immunohistochemistry and western blot showed that LDFP can activate the Nrf2 pathway, up-regulate the expression of Nrf2, down-regulate the expression of Keap1, and increase the expression of the anti-oxidation factors HO-1 and CuZn-SOD. At the same time, it was found that the expression of the transcription factors TLR-4 and NF-kappa B were decreased in the NF-kappa B signaling pathway, the synthesis and secretion of the pro-inflammatory factors IL-6 and TNF-alpha were decreased consequently. These results suggest that LDFP protects the liver by activating the Nrf2 pathway and reducing the inflammatory response. Generally, the results of this study could be used to aid the development of hepatoprotective products and their application.
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