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Early prediction of incident liver disease using conventional risk factors and gut-microbiome-augmented gradient boosting

Yang Liu, Guillaume Méric, Aki S Havulinna, Shu Mei Teo, Fredrik Åberg, Matti Ruuskanen, Jon Sanders, Qiyun Zhu, Anupriya Tripathi, Karin Verspoor, Susan Cheng, Mohit Jain, Pekka Jousilahti, Yoshiki Vázquez-Baeza, Rohit Loomba, Leo Lahti, Teemu Niiranen, Veikko Salomaa, Rob Knight, Michael Inouye

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Abstract

The gut microbiome has shown promise as a predictive biomarker for various diseases. However, the potential of gut microbiota for prospective risk prediction of liver disease has not been assessed. Here, we utilized shallow shotgun metagenomic sequencing of a large population-based cohort (N > 7,000) with ∼15 years of follow-up in combination with machine learning to investigate the predictive capacity of gut microbial predictors individually and in conjunction with conventional risk factors for incident liver disease. Separately, conventional and microbial factors showed comparable predictive capacity. However, microbiome augmentation of conventional risk factors using machine learning significantly improved the performance. Similarly, disease-free survival analysis showed significantly improved stratification using microbiome-augmented models. Investigation of predictive microbial signatures revealed previously unknown taxa for liver disease, as well as those previously associated with hepatic function and disease. This study supports the potential clinical validity of gut metagenomic sequencing to complement conventional risk factors for prediction of liver diseases.

Original languageEnglish
Pages (from-to)719-730.e4
JournalCell Metabolism
Volume34
Issue number5
Early online date29 Mar 2022
DOIs
Publication statusPublished - 3 May 2022

Bibliographical note

Copyright © 2022 The Authors. Published by Elsevier Inc. All rights reserved.

Acknowledgements

V.S. was supported by the Finnish Foundation for Cardiovascular Research. M.I. was supported by the Munz Chair of Cardiovascular Prediction and Prevention. A.S.H. was supported by the Academy of Finland, grant no. 321356. L.L. was supported by the Academy of Finland grant nos. 295741 and 307127. T.N. was supported by the Emil Aaltonen Foundation, the Finnish Foundation for Cardiovascular Research, the Finnish Medical Foundation, and the Academy of Finland, grant no. 321351. R.L. receives funding support from NIEHS (5P42ES010337), NCATS (5UL1TR001442), NIDDK (U01DK061734, R01DK106419, P30DK120515, R01DK121378, and R01DK124318), and DOD PRCRP (W81XWH-18-2-0026). This study was supported by the Victorian Government’s Operational Infrastructure Support (OIS) program and by core funding from the British Heart Foundation (RG/13/13/30194; RG/18/13/33946) and the NIHR Cambridge Biomedical Research Centre (BRC-1215-20014). The views expressed are those of the author(s) and not necessarily those of the NIHR or the Department of Health and Social Care. This work was supported by Health Data Research UK, which is funded by the UK Medical Research Council, Engineering and Physical Sciences Research Council, Economic and Social Research Council, Department of Health and Social Care (England), Chief Scientist Office of the Scottish Government Health and Social Care Directorates, Health and Social Care Research and Development Division (Welsh Government), Public Health Agency (Northern Ireland), British Heart Foundation, and Wellcome.

Keywords

  • Gastrointestinal Microbiome/genetics
  • Humans
  • Liver Diseases
  • Metagenomics
  • Microbiota
  • Prospective Studies
  • Risk Factors

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