期刊
NATURE METABOLISM
卷 4, 期 11, 页码 1560-+出版社
NATURE PORTFOLIO
DOI: 10.1038/s42255-022-00670-1
关键词
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资金
- Washington Research Foundation Distinguished Investigator Award
- Institute for Systems Biology
- National Institute of Diabetes and Digestive and Kidney Diseases of the National Institutes of Health (NIH) [R01DK133468]
- NIH [U19AG023122]
- National Institute on Aging
The study finds that a significant number of blood metabolites are associated with either host genetics or the gut microbiome, with a majority being driven by the microbiome. Furthermore, interaction effects between metabolite-microbe associations and specific genetic backgrounds are quite common.
Variation in the blood metabolome is intimately related to human health. However, few details are known about the interplay between genetics and the microbiome in explaining this variation on a metabolite-by-metabolite level. Here, we perform analyses of variance for each of 930 blood metabolites robustly detected across a cohort of 1,569 individuals with paired genomic and microbiome data while controlling for a number of relevant covariates. We find that 595 (64%) of these blood metabolites are significantly associated with either host genetics or the gut microbiome, with 69% of these associations driven solely by the microbiome, 15% driven solely by genetics and 16% under hybrid genome-microbiome control. Additionally, interaction effects, where a metabolite-microbe association is specific to a particular genetic background, are quite common, albeit with modest effect sizes. This knowledge will help to guide targeted interventions designed to alter the composition of the human blood metabolome. Diener and Dai et al. analyse blood metabolites from 1,569 individuals and identify metabolites associated with the microbiome, host genetics or under hybrid genetic-microbiome control.
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