Analyses of gut microbiota and plasma bile acids enable stratification of patients for antidiabetic treatment

  • Yanyun Gu
  • , Xiaokai Wang
  • , Junhua Li
  • , Yifei Zhang
  • , Huanzi Zhong
  • , Ruixin Liu
  • , Dongya Zhang
  • , Qiang Feng
  • , Xiaoyan Xie
  • , Jie Hong
  • , Huahui Ren
  • , Wei Liu
  • , Jing Ma
  • , Qing Su
  • , Hongmei Zhang
  • , Jialin Yang
  • , Xiaoling Wang
  • , Xinjie Zhao
  • , Weiqiong Gu
  • , Yufang Bi
  • Yongde Peng, Xiaoqiang Xu, Huihua Xia, Fang Li, Xun Xu, Huanming Yang, Guowang Xu, Lise Madsen, Karsten Kristiansen, Guang Ning, Weiqing Wang

Research output: Contribution to journalArticlepeer-review

348 Scopus citations

Abstract

Antidiabetic medication may modulate the gut microbiota and thereby alter plasma and faecal bile acid (BA) composition, which may improve metabolic health. Here we show that treatment with Acarbose, but not Glipizide, increases the ratio between primary BAs and secondary BAs and plasma levels of unconjugated BAs in treatment-naive type 2 diabetes (T2D) patients, which may beneficially affect metabolism. Acarbose increases the relative abundances of Lactobacillus and Bifidobacterium in the gut microbiota and depletes Bacteroides, thereby changing the relative abundance of microbial genes involved in BA metabolism. Treatment outcomes of Acarbose are dependent on gut microbiota compositions prior to treatment. Compared to patients with a gut microbiota dominated by Prevotella, those with a high abundance of Bacteroides exhibit more changes in plasma BAs and greater improvement in metabolic parameters after Acarbose treatment. Our work highlights the potential for stratification of T2D patients based on their gut microbiota prior to treatment.

Original languageEnglish
Article number1785
JournalNature Communications
Volume8
Issue number1
DOIs
StatePublished - 1 Dec 2017
Externally publishedYes

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