非诺贝特对非酒精性脂肪性肝病小鼠模型肠道菌群多样性的影响

张丹; 周波; 邓溢; 文玉; 吕俊衍; 王金香; 耿坐涛; 罗粟风; 应昀晏; 文代艳; 施春晶; 普光宇; 姜鑫; 马岚青

doi:10.3969/j.issn.1001-5256.2020.04.024

非诺贝特对非酒精性脂肪性肝病小鼠模型肠道菌群多样性的影响

DOI: 10.3969/j.issn.1001-5256.2020.04.024

1. 昆明医科大学第一附属医院消化内科
2. 昆明医科大学基础医学院

基金项目:

国家自然科学基金项目(81760108,81560099)；云南省重点项目(2018FA039)；云南省教育厅科学研究基金项目(2019Y0353)；昆明医科大学研究生创新基金(2019S023)；

详细信息

中图分类号: R575.5;R-332
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出版历程
- 收稿日期: 2019-11-17
- 出版日期: 2020-04-20

Effect of fenofibrate on the diversity of intestinal flora in a mouse model of nonalcoholic fatty liver disease

Department of Gastroenterology,The First Affiliated Hospital of Kunming Medical University

Research funding:

摘要

摘要: 目的探讨非诺贝特对非酒精性脂肪性肝病（NAFLD）小鼠肠道菌群多样性的影响。方法将30只小鼠随机分为3组,正常组（n=10）、高脂组（n=10）、非诺贝特治疗组（n=10）,高脂组与非诺贝特治疗组给予高脂饮食干预14周,正常组给予普通饮食14周。在满10周开始对非诺贝特治疗组给予非诺贝特灌胃治疗并继续给予高脂饮食4周,全程监测小鼠体质量变化; 14周后收集3组粪便用于高通量测序16S rRNA分析菌群的多样性及差异;并收集肝组织进行HE染色及油红O染色观察脂肪变性情况。多组间比较采用单因素方差分析,进一步两两比较采用LSD-t检验。结果干预10周后,非诺贝特治疗组较高脂组体质量明显减轻（P <0. 05）。HE染色及油红O染色显示非诺贝特治疗组脂肪沉积较高脂组明显减少。非诺贝特治疗组与高脂组肠道菌群存在明显差异,而与正常组肠道菌群具有相似性,非诺贝特治疗组拟杆菌门、疣微菌门、Faecalibaculum、Muribaculaceaenorank、阿克曼菌属丰度明显升高,厚壁菌门、放线菌门、梭菌属、Turicibacter、双歧杆菌属丰度降低。结论拟杆菌门、疣...
- 非酒精性脂肪性肝病 /
- 非诺贝特 /
- 肠道菌群 /
- 小鼠,近交C57BL
Abstract: Objective To investigate the effect of fenofibrate on the diversity of intestinal flora in mice with nonalcoholic fatty liver disease( NAFLD). Methods A total of 30 mice were randomly divided into normal group,high-fat group,and fenofibrate treatment group,with10 mice in each group. The mice in the high-fat group and the fenofibrate treatment group were given high-fat diet intervention for 14 weeks,and those in the normal group were given normal diet for 14 weeks. After 10 weeks of dietary intervention,the mice in the fenofibrate treatment group were given fenofibrate by gavage and high-fat diet for another 4 weeks,and the change in body weight was monitored during the whole process. Fecal samples were collected after 14 weeks,and high-throughput sequencing 16 S rRNA was used to investigate the diversity and difference of intestinal flora. Liver tissue samples were collected,and HE staining and oil red O staining were performed to observe the degree of steatosis. A one-way analysis of variance was used for comparison between multiple groups,and the least significant difference t-test was used for further comparison between two groups. Results After 10 weeks of intervention,the fenofibrate treatment group had a significantly lower body weight than the high-fat group( P < 0. 05). The results of HE staining and oil red O staining showed that the fenofibrate treatment group had a significantly lower degree of fat deposition than the high-fat group. There was a significant difference in intestinal flora between the fenofibrate treatment group and the high-fat group,while there was no significant difference in intestinal flora between the fenofibrate treatment group and the normal group. The fenofibrate treatment group had significant increases in the abundance of Bacteroidetes,Verrucomicrobia,Faecalibaculum,Muribaculaceae＿norank,and Akkermansia and significant reductions in the abundance of Firmicutes,Actinobacteria,Clostridium,Turicibacter,and Bifidobacterium. Conclusion The increases in the abundance of Bacteroidetes and Verrucomicrobia and the reductions in the abundance of Firmicutes and Actinobacteria suggest that fenofibrate may have positive significance in the treatment of NAFLD.
- nonalcoholic fatty liver disease /
- fenofibrate /
- intestinal flora /
- mice,inbred C57BL

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参考文献(26)

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