Cited by 206Gut microbiota and healthOral microbiology and periodontitis researchLiver Disease and Transplantation

Dysbiosis of small intestinal microbiota in liver cirrhosis and its association with etiology

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Chen, Yanfei, Ji, Feng, Guo, Jing, Shi, Ding, Fang, Daiqiong, Li, Lanjuan·2016·Scientific Reports

Abstract

Cirrhosis-associated duodenal dysbiosis is not yet clearly defined. In this research, duodenal mucosal microbiota was analyzed in 30 cirrhotic patients and 28 healthy controls using 16S rRNA gene pyrosequencing methods. The principal coordinate analysis revealed that cirrhotic patients were colonized by remarkable different duodenal mucosal microbiota in comparison with controls. At the genus level, Veillonella, Megasphaera, Dialister, Atopobium, and Prevotella were found overrepresented in cirrhotic duodenum. And the duodenal microbiota of healthy controls was enriched with Neisseria, Haemophilus, and SR1 genera incertae sedis. On the other hand, based on predicted metagenomes analyzed, gene pathways related to nutrient absorption (e.g. sugar and amino acid metabolism) were highly abundant in cirrhosis duodenal microbiota, and functional modules involved in bacterial proliferation and colonization (e.g. bacterial motility proteins and secretion system) were overrepresented in controls. When considering the etiology of cirrhosis, two operational taxonomic units (OTUs), OTU-23 (Neisseria) and OTU-36 (Gemella), were found discriminative between hepatitis-B-virus related cirrhosis and primary biliary cirrhosis. The results suggest that the structure of duodenal mucosa microbiota in cirrhotic patients is dramatically different from healthy controls. The duodenum dysbiosis might be related to alterations of oral microbiota and changes in duodenal micro-environment.

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  • Recent studies show differences in duodenal and salivary microbiota between healthy controls and patients with cirrhosis, suggesting upper gastrointestinal changes may link to distal microbiota and contribute to chronic liver disease pathophysiology and hepatocellular carcinoma.

    “Recent studies have demonstrated differences in the duodenal and salivary microbiota between healthy controls and patients with cirrhosis86,88, suggesting that there are also qualitative and quantitative changes in the upper gastrointestinal tract that might be linked to changes in the more distal microbiota and contribute to the pathophysiology of CLD as well as the development of HCC.”
  • A recent small-scale study described differences in the gut microbiota between different types of underlying liver disease.

    “However, a recent small-scale study described differences in the gut microbiota between different types of underlying liver disease86.”

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Authors
Chen, Y., Ji, F., Guo, J., Shi, D., Fang, D., & Li, L.
Affiliations
First Affiliated Hospital Zhejiang University (CN)
Corresponding author
  • Chen, Yanfei
  • Li, Lanjuan
Venue
Scientific Reports
Published
2016-09-30
Volume
6
Issue
1
Pages
34055-34055
ISSN
2045-2322 (ISSN-L)
OpenAlex
W2524544908
Cited by
205
References
45
Citations by year
2026: 4 · 2025: 12 · 2024: 25 · 2023: 21 · 2022: 30 · 2021: 26 · 2020: 27 · 2019: 24 · 2018: 19 · 2017: 16 · 2016: 1
FWCI
10.40
Type
journal article
Language
en
Open access
Locations
  • Scientific Reports (publishedVersion, cc-by)
  • PubMed Central (publishedVersion, cc-by)
  • PubMed (publishedVersion)
Funders
National Natural Science Foundation of China (10002004, 2012AA020204, 81400633)
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Gut microbiota and health
  • Health Sciences › Dentistry › Periodontics › Oral microbiology and periodontitis research
  • Health Sciences › Medicine › Hepatology › Liver Disease and Transplantation
Keywords
liver cirrhosis, duodenal microbiota, dysbiosis, small intestinal microbiota, hepatitis B cirrhosis, primary biliary cirrhosis, cirrhosis etiology, Veillonella, Megasphaera, Dialister, Atopobium, Prevotella, Neisseria, Gemella, oral microbiota

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