Cited by 303Gut microbiota and healthOral microbiology and periodontitis researchGenetic factors in colorectal cancer

Dysbiosis of human gut microbiome in young-onset colorectal cancer

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Yang, Yongzhi, Du, Lutao, Shi, Debing, Kong, Cheng, Liu, Jianqiang, Liu, Guang, Li, Xinxiang, Ma, Yanlei·2021·Nature Communications

Abstract

The incidence of sporadic young-onset colorectal cancer (yCRC) is increasing. A significant knowledge gap exists in the gut microbiota and its diagnostic value for yCRC patients. Through 16S rRNA gene sequencing, 728 samples are collected to identify microbial markers, and an independent cohort of 310 samples is used to validate the results. Furthermore, species-level and functional analysis are performed by metagenome sequencing using 200 samples. Gut microbial diversity is increased in yCRC. Flavonifractor plautii is an important bacterial species in yCRC, while genus Streptococcus contains the key phylotype in the old-onset colorectal cancer. Functional analysis reveals that yCRC has unique characteristics of bacterial metabolism characterized by the dominance of DNA binding and RNA-dependent DNA biosynthetic process. The random forest classifier model achieves a powerful classification potential. This study highlights the potential of the gut microbiota biomarkers as a promising non-invasive tool for the accurate detection and distinction of individuals with yCRC.

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Authors
Yang, Y., Du, L., Shi, D., Kong, C., Liu, J., Liu, G., Li, X., & Ma, Y.
Affiliations
  • Shanghai Medical College of Fudan University (CN)
  • Second Hospital of Shandong University (CN)
  • Tongji University (CN)
  • Fudan University Shanghai Cancer Center (CN)
Corresponding author
Ma, Yanlei
Venue
Nature Communications
Published
2021-11-19
Volume
12
Issue
1
Pages
6757-6757
ISSN
2041-1723 (ISSN-L)
OpenAlex
W3213755739
Cited by
303
References
65
Citations by year
2026: 60 · 2025: 64 · 2024: 95 · 2023: 53 · 2022: 29 · 2017: 1 · 2016: 1
FWCI
14.21
Type
journal article
Language
en
Open access
Locations
  • Nature Communications (publishedVersion, cc-by)
  • PubMed Central (publishedVersion, cc-by)
  • PubMed (publishedVersion)
  • RePEc: Research Papers in Economics (submittedVersion)
  • DOAJ (DOAJ: Directory of Open Access Journals) (submittedVersion, cc-by-sa)
Funders
  • National Natural Science Foundation of China (Nos. 81920108026, 81871964, 81802412)
  • Shanghai Science and Technology Development Foundation (No.19410713300)
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 › Pathology and Forensic Medicine › Genetic factors in colorectal cancer
Keywords
early-onset colorectal cancer, gut dysbiosis, microbial biomarkers, Flavonifractor plautii, Streptococcus, gut microbiota diversity, bacterial metabolism, DNA binding, non-invasive cancer detection, random forest classification
MeSH terms
Clostridiales, Eubacteriales, Gastrointestinal Microbiome, Adult, Aged, Feces, Female, Humans, Male, Middle Aged, Streptococcus, Colorectal Neoplasms, Case-Control Studies, Age of Onset, Healthy Volunteers, Dysbiosis

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