Cited by 325Gut microbiota and healthDrug Transport and Resistance MechanismsBerberine and alkaloids research

Bile acid is a significant host factor shaping the gut microbiome of diet-induced obese mice

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Zheng, Xiaojiao, Huang, Fengjie, Zhao, Aihua, Lei, Sha, Zhang, Yunjing, Xie, Guoxiang, Chen, Tianlu, Qu, Chun +4 more·2017·BMC Biology

Abstract

BACKGROUND: Intestinal bacteria are known to regulate bile acid (BA) homeostasis via intestinal biotransformation of BAs and stimulation of the expression of fibroblast growth factor 19 through intestinal nuclear farnesoid X receptor (FXR). On the other hand, BAs directly regulate the gut microbiota with their strong antimicrobial activities. It remains unclear, however, how mammalian BAs cross-talk with gut microbiome and shape microbial composition in a dynamic and interactive way. RESULTS: We quantitatively profiled small molecule metabolites derived from host-microbial co-metabolism in mice, demonstrating that BAs were the most significant factor correlated with microbial alterations among all types of endogenous metabolites. A high-fat diet (HFD) intervention resulted in a rapid and significant increase in the intestinal BA pool within 12 h, followed by an alteration in microbial composition at 24 h, providing supporting evidence that BAs are major dietary factors regulating gut microbiota. Feeding mice with BAs along with a normal diet induced an obese phenotype and obesity-associated gut microbial composition, similar to HFD-fed mice. Inhibition of hepatic BA biosynthesis under HFD conditions attenuated the HFD-induced gut microbiome alterations. Both inhibition of BAs and direct suppression of microbiota improved obese phenotypes. CONCLUSIONS: Our study highlights a liver-BA-gut microbiome metabolic axis that drives significant modifications of BA and microbiota compositions capable of triggering metabolic disorders, suggesting new therapeutic strategies targeting BA metabolism for metabolic diseases.

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Authors
Zheng, X., Huang, F., Zhao, A., Lei, S., Zhang, Y., Xie, G., Chen, T., Qu, C., Rajani, C., Dong, B., Li, D., & Jia, W.
Affiliations
  • Shanghai Jiao Tong University (CN)
  • University of Hawaii Cancer Center (US)
  • China Agricultural University (CN)
Corresponding author
Jia, Wei
Venue
BMC Biology
Published
2017-12
Volume
15
Issue
1
Pages
120-120
ISSN
1741-7007 (ISSN-L)
OpenAlex
W2774287749
Cited by
323
References
40
Citations by year
2026: 18 · 2025: 36 · 2024: 40 · 2023: 61 · 2022: 44 · 2021: 47 · 2020: 36 · 2019: 29 · 2018: 12
FWCI
8.83
Type
journal article
Language
en
Open access
Licence
cc-by
Locations
  • BMC Biology (publishedVersion, cc-by)
  • PubMed Central (publishedVersion, cc-by)
  • PubMed (publishedVersion)
  • DOAJ (DOAJ: Directory of Open Access Journals) (submittedVersion, cc-by-sa)
Funders
  • National Natural Science Foundation of China (31500954)
  • Science and Technology Committee of Shanghai Municipality Government (15YF1409100)
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Gut microbiota and health
  • Health Sciences › Medicine › Oncology › Drug Transport and Resistance Mechanisms
  • Health Sciences › Medicine › Pharmacology › Berberine and alkaloids research
Keywords
bile acids, gut microbiota, diet-induced obesity, high-fat diet, bile acid synthesis, FGF19, farnesoid X receptor, small molecule metabolites, metabolic disorders
MeSH terms
Gastrointestinal Microbiome, Receptor, Farnesoid X-Activated, Animals, Bile Acids and Salts, Isoxazoles, Male, Mice, Inbred C57BL, Mice, Obese, Signal Transduction, Receptors, Cytoplasmic and Nuclear, Mice, Diet, High-Fat

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