Camel milk modulates ethanol-induced changes in the gut microbiome and transcriptome in a mouse model of acute alcoholic liver disease.,Journal of Dairy Science

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Camel milk modulates ethanol-induced changes in the gut microbiome and transcriptome in a mouse model of acute alcoholic liver disease.
Journal of Dairy Science ( IF 3.5 ) Pub Date : 2020-03-12 , DOI: 10.3168/jds.2019-17247
Liang Ming ₁ , XiangYu Qiao ₁ , Li Yi ₁ , Dalai Siren ₂ , Jing He ₁ , Le Hai ₁ , Fucheng Guo ₁ , Yuchen Xiao ₁ , Rimutu Ji ₂

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Morbidity and mortality as a result of liver disease are major problems around the world, especially from alcoholic liver disease (ALD), which is characterized by hepatic inflammation and intestinal microbial imbalance. In this study, we investigated the hepatoprotective effects of camel milk (CM) in a mouse model of acute ALD and the underlying mechanism at the gut microbiota and transcriptome level. Male Institute of Cancer Research mice (n = 24; Beijing Weitong Lihua Experimental Animal Technology Co. Ltd., China) were divided into 3 groups: normal diet (NC); normal diet, then ethanol (ET); and normal diet and camel milk (CM), then ethanol (ET+CM). Analysis of serum biochemical indexes and histology revealed a reduction in hepatic inflammation in the ET+CM group. Sequencing of 16S rRNA showed that CM modulated the microbial communities, with an increased proportion of Lactobacillus and reduced Bacteroides, Alistipes, and Rikenellaceae RC9 gut group. Comparative hepatic transcriptome analysis revealed 315 differentially expressed genes (DEG) in the ET+CM and ET groups (150 upregulated and 165 downregulated). Enrichment analysis revealed that CM downregulated the expression of inflammation-related (ILB and CXCL1) genes in the IL-17 and tumor necrosis factor (TNF-α) pathways. We conclude that CM modulates liver inflammation and alleviates the intestinal microbial disorder caused by acute alcohol injury, indicating the potential of dietary CM in protection against alcohol-induced liver injury.

更新日期：2020-04-21

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