Cited by 269Helicobacter pylori-related gastroenterology studiesGut microbiota and healthOral microbiology and periodontitis research

Increased Abundance of Clostridium and Fusobacterium in Gastric Microbiota of Patients with Gastric Cancer in Taiwan

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Hsieh, Yung-Yu, Tung, Shui-Yi, Pan, Hung-Yu, Yen, Chih-Wei, Xu, Huang-Wei, Lin, Ying-Jhen, Deng, Yi-Fang, Hsu, Wan-Ting +2 more·2018·Scientific Reports

Abstract

Helicobacter pylori is recognised as a main risk factor for gastric cancer. However, approximately half of the patients with gastritis are negative for H. pylori infection, and the abundance of H. pylori decreases in patients with cancer. In the current study, we profiled gastric epithelium-associated bacterial species in patients with gastritis, intestinal metaplasia, and gastric cancer to identify additional potential pathogenic bacteria. The overall composition of the microbiota was similar between the patients with gastritis and those with intestinal metaplasia. H. pylori was present in half of the non-cancer group, and the dominant bacterial species in the H. pylori-negative patients were Burkholderia, Enterobacter, and Leclercia. The abundance of those bacteria was similar between the cancer and non-cancer groups, whereas the frequency and abundance of H. pylori were significantly lower in the cancer group. Instead, Clostridium, Fusobacterium, and Lactobacillus species were frequently abundant in patients with gastric cancer, demonstrating a gastric cancer-specific bacterial signature. A receiver operating characteristic curve analysis showed that Clostridium colicanis and Fusobacterium nucleatum exhibited a diagnostic ability for gastric cancer. Our findings indicate that the gastric microenvironment is frequently colonised by Clostridium and Fusobacterium in patients with gastric cancer.

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Authors
Hsieh, Y.-Y., Tung, S.-Y., Pan, H.-Y., Yen, C.-W., Xu, H.-W., Lin, Y.-J., Deng, Y.-F., Hsu, W.-T., Wu, C.-S., & Li, C.
Affiliations
  • Chang Gung University (TW)
  • National Chiayi University (TW)
  • Chiayi Chang Gung Memorial Hospital (TW)
  • National Chung Cheng University (TW)
Corresponding author
  • Wu, Cheng-Shyong
  • Li, Chin
Venue
Scientific Reports
Published
2018-01-09
Volume
8
Issue
1
Pages
158-158
ISSN
2045-2322 (ISSN-L)
OpenAlex
W2781688166
Cited by
269
References
50
Citations by year
2026: 22 · 2025: 31 · 2024: 39 · 2023: 36 · 2022: 34 · 2021: 45 · 2020: 31 · 2019: 21 · 2018: 10
FWCI
27.80
Type
journal article
Language
en
Open access
Locations
  • Scientific Reports (publishedVersion, cc-by)
  • PubMed Central (publishedVersion, cc-by)
  • PubMed (publishedVersion)
  • DOAJ (DOAJ: Directory of Open Access Journals) (submittedVersion)
Funders
  • Chang Gung Medical Foundation
  • Chiayi Chang Gung Memorial Hospital (CORPG6D0063, CORPG6D0071, CORPG6D0012, CORPG6D0011, CORPG6D0061, CORPG6D0073, CORPG6D0072, CORPG6D0013, CORPG6D0062)
Topics
  • Health Sciences › Medicine › Surgery › Helicobacter pylori-related gastroenterology studies
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Gut microbiota and health
  • Health Sciences › Dentistry › Periodontics › Oral microbiology and periodontitis research
Keywords
gastric cancer, gastric microbiota, Clostridium, Fusobacterium, Helicobacter pylori, intestinal metaplasia, gastritis, Fusobacterium nucleatum, cancer diagnosis, Lactobacillus, Burkholderia, Enterobacter, Leclercia
MeSH terms
Adult, Aged, Clostridium, Clostridium Infections, Female, Fusobacterium, Fusobacterium Infections, Gastric Mucosa, Humans, Male, Metaplasia, Middle Aged, Neoplasm Staging, RNA, Ribosomal, 16S, Stomach Neoplasms, Taiwan, Young Adult

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