Cited by 356Gut microbiota and healthDrug Transport and Resistance MechanismsProbiotics and Fermented Foods

Microbiota Modification with Probiotics Induces Hepatic Bile Acid Synthesis via Downregulation of the Fxr-Fgf15 Axis in Mice

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Degirolamo, Chiara, Rainaldi, Stefania, Bovenga, Fabiola, Murzilli, Stefania, Moschetta, Antonio·2014·Cell Reports

Abstract

Gut microbiota influences host health status by providing trophic, protective, and metabolic functions, including bile acid (BA) biotransformation. Microbial imprinting on BA signature modifies pool size and hydrophobicity, thus contributing to BA enterohepatic circulation. Microbiota-targeted therapies are now emerging as effective strategies for preventing and/or treating gut-related diseases. Here, we show that gut microbiota modulation induced by VSL#3 probiotics enhances BA deconjugation and fecal excretion in mice. These events are associated with changes in ileal BA absorption, repression of the enterohepatic farnesoid X receptor-fibroblast growth factor 15 (FXR-FGF15) axis, and increased hepatic BA neosynthesis. Treatment with a FXR agonist normalized fecal BA levels in probiotic-administered mice, whereas probiotic-induced alterations in BA metabolism are abolished upon FXR and FGF15 deficiency. Our data provide clear in vivo evidence that VSL#3 probiotics promote ileal BA deconjugation with subsequent fecal BA excretion and induce hepatic BA neosynthesis via downregulation of the gut-liver FXR-FGF15 axis.

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Crossref · 10.1016/j.celrep.2014.02.032

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Authors
Degirolamo, C., Rainaldi, S., Bovenga, F., Murzilli, S., & Moschetta, A.
Affiliations
  • Mario Negri Sud Foundation (IT)
  • Istituto Tumori Bari (IT)
Corresponding author
Moschetta, Antonio
Venue
Cell Reports
Publisher
Elsevier BV
Published
2014-04
Volume
7
Issue
1
Pages
12-18
ISSN
2211-1247 (ISSN-L)
OpenAlex
W2167628071
Cited by
356
References
50
Citations by year
2026: 23 · 2025: 22 · 2024: 26 · 2023: 27 · 2022: 39 · 2021: 35 · 2020: 34 · 2019: 36 · 2018: 30 · 2017: 31 · 2016: 24 · 2015: 20 · 2014: 9
FWCI
11.47
Type
journal article
Language
en
Open access
Locations
  • Cell Reports (publishedVersion, cc-by-nc-nd)
  • PubMed (publishedVersion)
  • DOAJ (DOAJ: Directory of Open Access Journals) (submittedVersion, cc-by-sa)
  • CINECA IRIS Institutional Research Information System (University of Bari Aldo Moro) (submittedVersion)
  • INFM-OAR (INFN Catania) (submittedVersion, cc-by-nc-nd)
Funders
  • Wake Forest University
  • University of Texas Southwestern Medical Center
  • Ministero della Salute (GR-2010)
  • Associazione Italiana per la Ricerca sul Cancro (IG 14732)
  • Università degli Studi dell'Aquila
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Gut microbiota and health
  • Health Sciences › Medicine › Oncology › Drug Transport and Resistance Mechanisms
  • Life Sciences › Agricultural and Biological Sciences › Food Science › Probiotics and Fermented Foods
Keywords
gut microbiota, probiotics, VSL#3, bile acid synthesis, bile acid deconjugation, enterohepatic circulation, farnesoid X receptor, FGF15, fecal bile acid excretion, FXR agonists
MeSH terms
Receptor, Farnesoid X-Activated, Animals, Bile Acids and Salts, Fibroblast Growth Factors, Intestinal Mucosa, Intestines, Liver, Male, Mice, Inbred C57BL, Signal Transduction, Down-Regulation, Receptors, Cytoplasmic and Nuclear, Probiotics, Mice, Microbiota

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