Cited by 1,501Gut microbiota and healthAdipokines, Inflammation, and Metabolic DiseasesOral microbiology and periodontitis research

Gut microbiome and serum metabolome alterations in obesity and after weight-loss intervention

Liu, Ruixin, Hong, Jie, Xu, Xiaoqiang, Feng, Qiang, Zhang, Dongya, Gu, Yanyun, Shi, Juan, Zhao, Shaoqian +40 more·2017·Nature Medicine

Abstract

Emerging evidence has linked the gut microbiome to human obesity. We performed a metagenome-wide association study and serum metabolomics profiling in a cohort of lean and obese, young, Chinese individuals. We identified obesity-associated gut microbial species linked to changes in circulating metabolites. The abundance of Bacteroides thetaiotaomicron, a glutamate-fermenting commensal, was markedly decreased in obese individuals and was inversely correlated with serum glutamate concentration. Consistently, gavage with B. thetaiotaomicron reduced plasma glutamate concentration and alleviated diet-induced body-weight gain and adiposity in mice. Furthermore, weight-loss intervention by bariatric surgery partially reversed obesity-associated microbial and metabolic alterations in obese individuals, including the decreased abundance of B. thetaiotaomicron and the elevated serum glutamate concentration. Our findings identify previously unknown links between intestinal microbiota alterations, circulating amino acids and obesity, suggesting that it may be possible to intervene in obesity by targeting the gut microbiota.

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Crossref · 10.1038/nm.4358

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Authors
Liu, R., Hong, J., Xu, X., Feng, Q., Zhang, D., Gu, Y., Shi, J., Zhao, S., Liu, W., Wang, X., Xia, H., Liu, Z., Cui, B., Liang, P., Xi, L., Jin, J., Ying, X., Wang, X., Zhao, X., Li, W., Jia, H., Lan, Z., Li, F., Wang, R., Sun, Y., Yang, M., Shen, Y., Jie, Z., Li, J., Chen, X., Zhong, H., Xie, H., Zhang, Y., Gu, W., Deng, X., Shen, B., Xu, X., Yang, H., Xu, G., Bi, Y., Lai, S., Wang, J., Qi, L., Madsen, L., Wang, J., Ning, G., Kristiansen, K., & Wang, W.
Affiliations
  • Shanghai Jiao Tong University (CN)
  • BGI Group (China) (CN)
  • Dalian Institute of Chemical Physics (CN)
  • Johns Hopkins University (US)
  • Tulane University (US)
Corresponding author
  • Ning, Guang
  • Kristiansen, Karsten
  • Wang, Weiqing
Venue
Nature Medicine
Published
2017-06-19
Volume
23
Issue
7
Pages
859-868
ISSN
  • 1078-8956 (ISSN-L)
  • 1546-170X
OpenAlex
W2625861313
Cited by
1,501
References
68
Citations by year
2026: 108 · 2025: 156 · 2024: 208 · 2023: 200 · 2022: 211 · 2021: 230 · 2020: 158 · 2019: 116 · 2018: 86 · 2017: 21
FWCI
42.79
Type
journal article
Language
en
Open access
closed
Locations
  • Nature Medicine (publishedVersion)
  • PubMed (publishedVersion)
  • Research at the University of Copenhagen (University of Copenhagen) (publishedVersion)
  • Digital Access to Scholarship at Harvard (DASH) (Harvard University) (acceptedVersion)
  • Dalian Institute of Chemical Physics, CAS Institutional Repository (submittedVersion)
Funders
  • Ruijin Hospital
  • School of Medicine, Shanghai Jiao Tong University
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Gut microbiota and health
  • Health Sciences › Medicine › Epidemiology › Adipokines, Inflammation, and Metabolic Diseases
  • Health Sciences › Dentistry › Periodontics › Oral microbiology and periodontitis research
Keywords
gut microbiota, obesity, serum metabolome, Bacteroides thetaiotaomicron, serum glutamate, weight loss, bariatric surgery, circulating amino acids, metagenome-wide association study, obesity intervention
MeSH terms
Gastrointestinal Microbiome, Bacteroides thetaiotaomicron, Adult, Animals, Bacteroides, DNA, Bacterial, Female, Fusobacterium, Gastrectomy, Humans, Male, Obesity, Weight Gain, Case-Control Studies, Glutamic Acid, Bariatric Surgery, Adiposity, Mice, Metagenome, Metabolome, Young Adult, Dysbiosis

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