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The polysaccharides from the fruits of Lycium barbarum L. modify the gut community profile and alleviate dextran sulfate sodium-induced colitis in mice

文献类型: 外文期刊

作者: Zhou, Wangting 1 ; Kan, Xuhui 1 ; Chen, Guijie 1 ; Sun, Yi 1 ; Ran, Linwu 2 ; Yan, Yamei 3 ; Mi, Jia 3 ; Lu, Lu 3 ; Zeng, Xiaoxiong 1 ; Cao, Youlong 3 ;

作者机构: 1.Nanjing Agr Univ, Coll Food Sci & Technol, Nanjing 210095, Jiangsu, Peoples R China

2.Ningxia Med Univ, Lab Anim Ctr, Yinchuan 750004, Ningxia, Peoples R China

3.Ningxia Acad Agr & Forestry, Inst Wolfberry Engn & Technol, Yinchuan 750004, Ningxia, Peoples R China

关键词: Lycium barbarum L.; Polysaccharides; Colitis; Gut microbiota; Bifidobacterium longum subsp.infantis; Akkermansia muciniphila

期刊名称:INTERNATIONAL JOURNAL OF BIOLOGICAL MACROMOLECULES ( 影响因子:8.025; 五年影响因子:7.626 )

ISSN: 0141-8130

年卷期: 2022 年 222 卷

页码:

收录情况: SCI

摘要: In the present study, the effects of a purified fraction of polysaccharides from the fruits of Lycium barbarum L. (LBPs), named LBPs-4, on the dextran sodium sulfate (DSS)-induced colitis in mice were evaluated. The results showed that LBPs-4 decreased disease activity index score, prevented colon shortening and reduced plasma levels of pro-inflammatory cytokines (tumor necrosis factor alpha (TNF-alpha), interferon gamma (IFN-gamma), monocyte chemoattractant protein-1 (MCP-1) and prostaglandin E2) in mice with colitis. LBPs-4 could increase the relative abundances of Akkermansia and Bifidobacterium in gut microbiota, and it also mitigated the intestinal barrier damage by upregulating the level of tight junction protein ZO-1 and the number of goblet cells in colon. Moreover, the results of in vitro culture indicated that the growth of Bifidobacterium longum subsp. infantis CCX 19042 was promoted by LBPs-4, whereas the culture media of LBPs-4 by Bacteroides ovatus with or without addition of mucin could enhance the growth of Akkermansia muciniphila. Collectively, these results suggested that LBPs-4 should be potential prebiotics for the treatment of colitis.

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