Cited by 45Gut microbiota and healthLiver Disease and TransplantationAdvanced Proteomics Techniques and Applications

Cirrhosis related functionality characteristic of the fecal microbiota as revealed by a metaproteomic approach

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Wei, Xiao, Jiang, Shan, Chen, Yuye, Zhao, Xiangna, Li, Huan, Lin, Weishi, Li, Boxing, Wang, Xuesong +2 more·2016·BMC Gastroenterology

Abstract

BACKGROUND: Intestinal microbiota operated as a whole and was closely related with human health. Previous studies had suggested close relationship between liver cirrhosis (LC) and gut microbiota. METHODS: To determine the functional characteristic of the intestinal microbiota specific for liver cirrhosis, the fecal metaproteome of three LC patients with Child-Turcotte-Pugh (CTP) score of A, B, and C, and their spouse were first compared using high-throughput approach based on denaturing polyacrylamide gel electrophoresis and liquid chromatography-tandem mass spectrometry in our study. RESULTS: A total of 5,020 proteins (88 % from bacteria, 12 % form human) were identified and annotated based on the GO and KEGG classification. Our results indicated that the LC patients possessed a core metaproteome including 119 proteins, among which 14 proteins were enhanced expressed and 7 proteins were unique for LC patients compared with the normal, which were dominant at the function of carbohydrate metabolism. In addition, LC patients have unique biosynthesis of branched chain amino acid (BCAA), pantothenate, and CoA, enhanced as CTP scores increased. Those three substances were all important in a wide array of key and essential biological roles of life. CONCLUSIONS: We observed a highly comparable cirrhosis-specific metaproteome clustering of fecal microbiota and provided the first supportive evidence for the presence of a LC-related substantial functional core mainly involved in carbohydrate, BCAA, pantothenate, and CoA metabolism, suggesting the compensation of intestinal microbiota for the fragile and innutritious body of cirrhotic patients.

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  • The gut microbiomes of patients with advanced liver disease and cirrhosis are characterized by increased potentially pathogenic bacteria and reduced beneficial bacteria.

    “The gut microbiomes of patients with advanced liver disease and cirrhosis are characterized by an increase in potentially pathogenic bacteria, along with reduced numbers of bacteria with beneficial properties32,84,85.”

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Authors
Wei, X., Jiang, S., Chen, Y., Zhao, X., Li, H., Lin, W., Li, B., Wang, X., Yuan, J., & Sun, Y.
Affiliations
Academy of Military Medical Sciences (CN)
Corresponding author
  • Yuan, Jing
  • Sun, Yansong
Venue
BMC Gastroenterology
Published
2016-10-04
Volume
16
Issue
1
Pages
121-121
ISSN
1471-230X (ISSN-L)
OpenAlex
W2529534298
Cited by
45
References
28
Citations by year
2026: 1 · 2025: 4 · 2024: 3 · 2023: 5 · 2022: 2 · 2021: 5 · 2020: 9 · 2019: 8 · 2018: 3 · 2017: 5
FWCI
2.77
Type
journal article
Language
en
Open access
Licence
cc-by
Locations
  • BMC Gastroenterology (publishedVersion, cc-by)
  • PubMed Central (publishedVersion, cc-by)
  • PubMed (publishedVersion)
Funders
  • Deutscher Akademischer Austauschdienst (D/09/04778, Grant D/09/04778)
  • National Natural Science Foundation of China (2011ZX10004-001, 31370093, 863 Program)
  • Bundesministerium für Bildung und Forschung
  • National High-tech Research and Development Program (SS2014AA022210)
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Gut microbiota and health
  • Health Sciences › Medicine › Hepatology › Liver Disease and Transplantation
  • Physical Sciences › Chemistry › Spectroscopy › Advanced Proteomics Techniques and Applications
Keywords
liver cirrhosis, gut microbiota, carbohydrate metabolism, branched-chain amino acid biosynthesis, pantothenate and CoA biosynthesis, Child-Pugh score
MeSH terms
Gastrointestinal Microbiome, Amino Acids, Branched-Chain, Coenzyme A, Feces, Female, Humans, Liver Cirrhosis, Male, Middle Aged, Pantothenic Acid, Severity of Illness Index, Spouses, Proteomics, Carbohydrate Metabolism, Metagenome

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