食品与发酵工业 >

2019 , Vol. 45 >Issue 22: 12 - 19

DOI: https://doi.org/10.13995/j.cnki.11-1802/ts.021683

研究报告

两歧双歧杆菌缓解Ⅱ型糖尿病的效果差异及机制分析

  • 司倩 ,
  • 焦婷 ,
  • 杨树荣 ,
  • 孙珊珊 ,
  • 王刚 ,
  • 赵建新 ,
  • 张灏 ,
  • 陈卫
展开
  • (江南大学 食品学院,江苏 无锡,214122)
硕士(王刚副教授为通讯作者,E-mail: wanggang@jiangnan.edu.cn)。

收稿日期: 2019-07-15

  网络出版日期: 2020-02-16

基金资助

国家自然科学基金—面上项目(31671839)

收起

Effects and mechanisms of Bifidobacterium bifidum in alleviating type II diabetes

  • SI Qian ,
  • JIAO Ting ,
  • YANG Shurong ,
  • SUN Shanshan ,
  • WANG Gang ,
  • ZHAO Jianxin ,
  • ZHANG Hao ,
  • CHEN Wei
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  • (School of Food Science and Technology, Jiangnan University, Wuxi 214122, China)

Received date: 2019-07-15

  Online published: 2020-02-16

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摘要

该文分析3株两歧双歧杆菌对高脂饮食结合链脲佐菌素诱导的Ⅱ型糖尿病小鼠症状的缓解作用及可能机制。将48只雄性C57BL/6J小鼠分为6组,菌处理组每周灌菌6次,灌胃15 周。实验期间,测定小鼠的血糖指标和血脂四项,测定肝脏细胞因子和丙二醛含量,分析组织病理学损伤,测定小鼠粪便短链脂肪酸含量并分析小鼠的肠道菌群。3株菌在改善血糖血脂代谢和炎症等方面表现出明显差异。结果表明,与两歧双歧杆菌BB13和H35相比,BB1对Ⅱ型糖尿病小鼠的血糖血脂代谢异常、炎症反应均有明显改善,其可能机制是BB1缓解高脂饮食和STZ导致的肠道菌群失调,增加了肠道中Bacteroidales S24-7的丰度,从而使肠道内SCFAs含量升高,缓解了小鼠体内的低水平炎症,改善胰岛素抵抗,缓解了Ⅱ型糖尿病。

关键词： 两歧双歧杆菌; Ⅱ型糖尿病; 炎症; 肠道菌群; 短链脂肪酸

本文引用格式

司倩 , 焦婷 , 杨树荣 , 孙珊珊 , 王刚 , 赵建新 , 张灏 , 陈卫 . 两歧双歧杆菌缓解Ⅱ型糖尿病的效果差异及机制分析[J]. 食品与发酵工业, 2019 , 45(22) : 12 -19 . DOI: 10.13995/j.cnki.11-1802/ts.021683

Abstract

The antidiabetic effects and possible mechanism of three Bifidobacterium bifidum strains on type 2 diabetes (T2D) mice induced by high fat diet and streptozotocin were investigated. 48 male C57BL/6J mice were divided into 6 groups. Mice in bacteria treated group were gavaged 6 times a week for fifteen weeks. During the experiment, the blood glucose and blood lipid of the mice, the contents of the liver cytokines and malondialdehyde, the pathological damage of the tissues and the short-chain fatty acids in the excrement of the mice was measured as well as the intestinal flora in the mice were analyzed. Three strains showed significantly different effects on improving blood glucose, blood lipid metabolism and inflammation. Compared with BB13 and H35, BB1 significantly improved blood glucose tolerance, dyslipidemia and immune function in T2D mice induced by high fat diet and streptozotocin. The possible mechanism is that BB1 alleviated gut microbiota dysbiosis induced by high-fat diet and streptozotocin and increased the abundance of Bacteroidales S24-7, hence increased the content of SCFAs, which further reduced the inflammation and alleviated insulin resistance and T2D.

Key words： Bifidobacterium bifidum; T2D; inflammation; intestinal flora; short chain fatty acids

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