Arrhythmic Gut Microbiome Signatures Predict Risk of Type 2 Diabetes
- PMID: 32619440
- DOI: 10.1016/j.chom.2020.06.004
Arrhythmic Gut Microbiome Signatures Predict Risk of Type 2 Diabetes
Abstract
Lifestyle, obesity, and the gut microbiome are important risk factors for metabolic disorders. We demonstrate in 1,976 subjects of a German population cohort (KORA) that specific microbiota members show 24-h oscillations in their relative abundance and identified 13 taxa with disrupted rhythmicity in type 2 diabetes (T2D). Cross-validated prediction models based on this signature similarly classified T2D. In an independent cohort (FoCus), disruption of microbial oscillation and the model for T2D classification was confirmed in 1,363 subjects. This arrhythmic risk signature was able to predict T2D in 699 KORA subjects 5 years after initial sampling, being most effective in combination with BMI. Shotgun metagenomic analysis functionally linked 26 metabolic pathways to the diurnal oscillation of gut bacteria. Thus, a cohort-specific risk pattern of arrhythmic taxa enables classification and prediction of T2D, suggesting a functional link between circadian rhythms and the microbiome in metabolic diseases.
Keywords: amplicon sequencing; circadian rhythms; diurnal oscillations; human intestinal microbiota; machine learning; metagenomics; obesity; population-based cohorts; prediction; type 2 diabetes.
Copyright © 2020 Elsevier Inc. All rights reserved.
Conflict of interest statement
Declaration of Interests The authors declare no competing interests.
Comment in
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Microbiome signatures for cirrhosis and diabetes.Nat Rev Gastroenterol Hepatol. 2020 Sep;17(9):532. doi: 10.1038/s41575-020-0351-3. Nat Rev Gastroenterol Hepatol. 2020. PMID: 32704165 No abstract available.
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Microbiota Can't Keep Time in Type 2 Diabetes.Cell Host Microbe. 2020 Aug 12;28(2):157-159. doi: 10.1016/j.chom.2020.07.015. Cell Host Microbe. 2020. PMID: 32791108 Free PMC article.
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