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A multiple-dimension model for microbiota of patients with colorectal cancer from normal participants and other intestinal disorders

  • Applied Microbial and Cell Physiology
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Abstract

Gut microbiota is a primary driver of inflammation in the colon and is linked to early colorectal cancer (CRC) development. Thus, a novel and noninvasive microbiome-based model could promote screening in patients at average risk for CRC. Nevertheless, the relevance and effectiveness of microbial biomarkers for noninvasive CRC screening remains unclear, and researchers lack the data to distinguish CRC-related gut microbiome biomarkers from those of other common gastrointestinal (GI) diseases. Microbiome-based classification distinguishes patients with CRC from normal participants and excludes other CRC-relevant diseases (e.g., GI bleed, adenoma, bowel diseases, and postoperative). The area under the receiver operator characteristic curve (AUC) was 92.2%. Known associations with oral pathogenic features, benefits-generated features, and functional features of CRC were confirmed using the model. Our optimised prediction model was established using large-scale experimental population-based data and other sequence-based faecal microbial community data. This model can be used to identify the high-risk groups and has the potential to become a novel screening method for CRC biomarkers because of its low false-positive rate (FPR) and good stability.

Key points

A total of 5744 CRC and non-CRC large-scale faecal samples were sequenced, and a model was constructed for CRC discrimination on the basis of the relative abundance of taxonomic and functional features.

This model could identify high-risk groups and become a novel screening method for CRC biomarkers because of its low FPR and good stability.

The association relationship of oral pathogenic features, benefits-generated features, and functional features in CRC was confirmed by the study.

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Data availability

All sequencing datasets in this work are available for download at https://www.ncbi.nlm.nih.gov/bioproject/PRJNA396815.

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Funding

This research was supported by Zhejiang Provincial Natural Science Foundation of China (grant no. LQ21H200007) and Zhejiang Provincial Medical and Health Science and Technology Project of China (grant nos. 2017KY216 and 2017KY486).

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Authors and Affiliations

Authors

Contributions

YQD, YFN, and XWS conceived and designed this study. JS, GLJ, and ZLZ collected and arranged the clinical samples. JS, XWS, and JZ performed the analysis of the clinical data. JS, YS, and YZZ prepared 16S rRNA gene amplicons for sequencing. Bioinformatics analyses and statistical analyses were done by GLJ, YQD, XXX, and TTM. All authors contributed to the manuscript preparation and approved the final manuscript.

Corresponding authors

Correspondence to Yaoqiang Du, Yaofang Niu or Xinwei Shi.

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Ethics approval

Ethical approval and experimental protocols were supported by Zhejiang Provincial People’s Hospital in Hangzhou, Zhejiang, China (No. 2021QT026). Informed consent had been obtained from all of the participants in this study.

Conflict of interest

The authors declare no competing interests.

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Shen, J., Jin, G., Zhang, Z. et al. A multiple-dimension model for microbiota of patients with colorectal cancer from normal participants and other intestinal disorders. Appl Microbiol Biotechnol 106, 2161–2173 (2022). https://doi.org/10.1007/s00253-022-11846-w

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  • DOI: https://doi.org/10.1007/s00253-022-11846-w

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