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Intestinal flora imbalance affects bile acid metabolism and is associated with gallstone formation.


ABSTRACT: BACKGROUND:The gut microbiota participates in the metabolism of substances and energy, promotes the development and maturation of the immune system, forms the mucosal barrier, and protects the host from pathogen attacks. Although the pathogenesis of cholesterol gallstones is still not clear, studies have suggested that gut microbiota dysbiosis plays an important role in their formation. METHODS:Microbial DNA from faeces of normal control patients and those of patients with calculi was subjected to 16S rRNA gene sequencing to detect gene expression changes in intestinal microbes. ELISA kits were used to measure free bile acids, secondary bile acids and coprostanol according to the manufacturer's instructions. The relationship between flora and their metabolites was then analysed. RESULTS:In the gallstone group, the diversity of intestinal bacteria and the abundances of certain phylogroups were significantly decreased (p?

SUBMITTER: Wang Q 

PROVIDER: S-EPMC7060658 | biostudies-literature | 2020 Mar

REPOSITORIES: biostudies-literature

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Intestinal flora imbalance affects bile acid metabolism and is associated with gallstone formation.

Wang Qiang Q   Hao Chenjun C   Yao Wenchao W   Zhu Defu D   Lu Haifeng H   Li Long L   Ma Biao B   Sun Bei B   Xue Dongbo D   Zhang Weihui W  

BMC gastroenterology 20200306 1


<h4>Background</h4>The gut microbiota participates in the metabolism of substances and energy, promotes the development and maturation of the immune system, forms the mucosal barrier, and protects the host from pathogen attacks. Although the pathogenesis of cholesterol gallstones is still not clear, studies have suggested that gut microbiota dysbiosis plays an important role in their formation.<h4>Methods</h4>Microbial DNA from faeces of normal control patients and those of patients with calculi  ...[more]

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