Cited by 133Gut microbiota and healthInflammatory Bowel DiseaseMetabolomics and Mass Spectrometry Studies

Metabolomic analysis in inflammatory bowel disease: A systematic review

Gallagher, Kate, Catesson, Alexandra, Griffin, Julian L, Holmes, Elaine, Williams, Horace R T·2021·Journal of Crohn's and Colitis

Abstract

Background and Aims: The inflammatory bowel diseases [IBD], Crohn’s disease and ulcerative colitis, are chronic, idiopathic gastrointestinal diseases. Although their precise aetiology is unknown, it is thought to involve a complex interaction between genetic predisposition and an abnormal host immune response to environmental exposures, probably microbial. Microbial dysbiosis has frequently been documented in IBD. Metabolomics [the study of small molecular intermediates and end products of metabolism in biological samples] provides a unique opportunity to characterize disease-associated metabolic changes and may be of particular use in quantifying gut microbial metabolism. Numerous metabolomic studies have been undertaken in IBD populations, identifying consistent alterations in a range of molecules across several biological matrices. This systematic review aims to summarize these findings. Methods: A comprehensive, systematic search was carried out using Medline and Embase. All studies were reviewed by two authors independently using predefined exclusion criteria. Sixty-four relevant papers were assessed for quality and included in the review. Results: Consistent metabolic perturbations were identified, including increases in levels of branched chain amino acids and lipid classes across stool, serum, plasma and tissue biopsy samples, and reduced levels of microbially modified metabolites in both urine [such as hippurate] and stool [such as secondary bile acids] samples. Conclusions: This review provides a summary of metabolomic research in IBD to date, highlighting underlying themes of perturbed gut microbial metabolism and mammalian–microbial co-metabolism associated with disease status.

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Crossref · 10.1093/ecco-jcc/jjaa227

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  • BA metabolism is defective in patients with IBD, indicated by increased levels of primary BAs and/or their conjugated forms and decreased levels of secondary BAs.

    “BA metabolism is defective in patients with IBD, as indicated by increased levels of primary BAs (PBAs) and/or their conjugated forms, accompanied by decreased levels of second BAs (SBAs) (Lavelle and Sokol, 2020; Biagioli et al., 2021; Gallagher et al., 2021).”

    From Bacteroides dorei BDX-01 alleviates DSS-induced experimental colitis in mice by regulating intestinal bile salt hydrolase activity and the FXR-NLRP3 signaling pathway (2023) · cites this paper as Gallagher et al., 2021

    The Stool metabolomics studies section (p. 15) reports increased primary or conjugated bile acids alongside decreased secondary bile acids in dysbiotic Crohn’s disease samples. But it also reports two studies finding lower levels of both primary and secondary bile acids in IBD patients than controls, so the claimed pattern is not supported as a general finding across patients with IBD. (LLM, conf=0.88)

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Research works printed but not linked: 11

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Authors
Gallagher, K., Catesson, A., Griffin, J. L., Holmes, E., & Williams, H. R. T.
Affiliations
  • Imperial College London (GB)
  • Murdoch University (AU)
  • Imperial College Healthcare NHS Trust (GB)
Corresponding author
Gallagher, Kate
Venue
Journal of Crohn's and Colitis
Published
2020-11-11
Volume
15
Issue
5
Pages
813-826
ISSN
  • 1873-9946 (ISSN-L)
  • 1876-4479
OpenAlex
W3102377839
Cited by
133
References
155
Citations by year
2026: 18 · 2025: 27 · 2024: 29 · 2023: 27 · 2022: 20 · 2021: 12
FWCI
1.41
Type
journal article
Language
en
Open access
closed
Locations
  • Journal of Crohn s and Colitis (publishedVersion)
  • PubMed (publishedVersion)
  • Murdoch University Research Portal (submittedVersion)
  • Spiral (Imperial College London) (submittedVersion)
Funders
National Institute for Health Research Imperial Biomedical Research Centre
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Gut microbiota and health
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Genetics › Inflammatory Bowel Disease
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Metabolomics and Mass Spectrometry Studies
Keywords
inflammatory bowel disease, Crohn's disease
MeSH terms
Gastrointestinal Microbiome, Humans, Inflammatory Bowel Diseases, Metabolomics, Dysbiosis

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