Inulin Ameliorates Alcoholic Liver Disease via Suppressing LPS-TLR4-M Axis and Modulating Gut Microbiota in Mice

被引:75
|
作者
Yang, Xiaoli [1 ,2 ]
He, Fang [2 ]
Zhang, Yanting [2 ]
Xue, Jing [3 ]
Li, Ke [1 ]
Zhang, Xiaoxia [4 ]
Zhu, Lili [3 ]
Wang, Zhen [1 ]
Wang, Hao [3 ]
Yang, Shaoqi [2 ]
机构
[1] Ningxia Med Univ, Clin Med Coll, Ningxia, Peoples R China
[2] Ningxia Med Univ, Gen Hosp, Dept Gastroenterol, Ningxia 750004, Peoples R China
[3] Ningxia Med Univ, Dept Pathogen Biol & Med Immunol, Sch Basic Med Sci, Ningxia 750004, Peoples R China
[4] Ningxia Med Univ, Coll Tradit Chinese Med, Ningxia, Peoples R China
关键词
Inulin; Alcoholic Liver Disease; LPS-TLR4-M Axis; Gut Microbiota; SUPPLEMENTATION; COMMUNITIES; BURDEN; INFLAMMATION; ENDOTOXEMIA; CONTRIBUTES; INJURY; LEVEL; CELLS; ACID;
D O I
10.1111/acer.13950
中图分类号
R194 [卫生标准、卫生检查、医药管理];
学科分类号
摘要
BackgroundAlcoholic liver disease (ALD) represents a chronic liver disorder caused by alcohol abuse. Numerous studies have demonstrated that gut microbiota dysbiosis plays a critical role in ALD pathogenesis. Application of prebiotic, probiotic, and dietary supplementation to the modulation of gut microbiota contributes to a novel approach to the management of ALD. Inulin, a natural prebiotic found in plants, can restore gut dysbiosis in ALD. However, the exact mechanism of dietary inulin in ALD remains largely unknown. MethodsSixty female C57BL/6J mice were randomly divided into 4 groups: pair-fed (PF) group (PF/CON); alcohol-fed (AF) group (AF/CON); PF with inulin (INU) group (PF/INU); and AF with INU group (AF/INU). All mice were fed with isocaloric modified Lieber-DeCarli liquid diets with or without alcohol. ResultsAfter 6weeks of feeding, mice were euthanized and associated indications were investigated. The results showed that chronic ethanol (EtOH) intake led to the loss of body weights, abnormal levels of transaminases, and inflammatory indicators (lipopolysaccharide [LPS], interleukin [IL]-6, IL-10, tumor necrosis factor-, IL-17A), while inulin administration ameliorated these effects. To further understand the underlying mechanism, we investigated macrophages (Ms) and gut microbiota in diverse groups. The number of Ms was reduced after dietary inulin treatment in chronic EtOH exposure. Hepatic Toll-like receptor 4 (TLR4(+)) Ms in AF/INU group were lower than AF/CON group. 16S rRNA sequencing and analysis of gut microbiota indicated the reduction of Allobaculum, Lactobacillus, and Lactococcus, as well as the increase of Parasutterella in AF group compared with PF control. Increased Allobaculum, Lactobacillus, and Lactococcus but reduced Parasutterella in AF/INU group were confirmed that dietary inulin rectified gut dysbiosis to attenuate ALD. ConclusionsDietary inulin ameliorates ALD via suppressing LPS-TLR4-M axis and modulating gut microbiota in mice, thus potentially provides theoretical foundation for inulin intervention in the prevention and treatment of ALD.
引用
收藏
页码:411 / 424
页数:14
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