ArticleGut microbes2025
Metabolomics reveal distinct molecular pathways associated with future risk of Crohn's Disease.
Article in Gut microbes, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 6 papers.
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Who cites it
6 citing papers in PubMed.
- Review
- From Multi-Omics to Molecular Causality: A Five-Tier Evidence Framework for the Single-Bacterium-Metabolite Axis in IBD.Microorganisms · 2026Review
- Tryptophan pathway metabotypes associate with disease activity and immune-metabolic dysfunction in inflammatory bowel disease.medRxiv : the preprint server for health sciences · 2026Article
- Longitudinal Evidence of Sustained Taurine Deficiency in Inflammatory Bowel Disease.International journal of molecular sciences · 2026Article
- Systematic Screening of Tryptophan Metabolism Identifies Site- and Microbiota-Dependent Signatures of Tryptophan Utilization in Experimental Colitis.International journal of tryptophan research : IJTR · 2026Article
- Disrupted terminal bilirubin catabolism linksFrontiers in microbiology · 2026Article
Corrections and comments
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Authors and funding
26 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Host - microbiome interactions are central to Crohn'sdisease (CD) pathogenesis; yet the early metabolic alterations that precededisease onset remain poorly defined. To explore preclinical metabolicsignatures of CD, we analyzed baseline serum metabolomic profiles in a nestedcase-control study within the Crohn's and Colitis Canada - Genetics, Environment, Microbiome (CCC-GEM) Project, a prospective cohort of 5,122 healthyfirst-degree relatives (FDRs) of CD patients. We included 78 individuals wholater developed CD and 311 matched FDRs who remained disease-free. In an untargetedassessment of metabolomic data, we identified 63 metabolites significantlyassociated with future CD risk. Integrative analyses further identifiedmultiple associations between CD-related metabolites and proteomic markers, gutmicrobiome composition, antimicrobial antibody, fecal calprotectin andC-reactive protein. Quinolinate, a tryptophan catabolite, was elevated inindividuals who later developed CD and showed strong positive correlations withC-reactive protein, fecal calprotectin, and C-X-C motif chemokine ligand 9 (CXCL9).In contrast, higher levels of ascorbate and isocitrate were associated withreduced CD risk and were negatively correlated with C-reactive protein and CD-associated proteins.These findings identify several distinct molecular pathways that contribute toCD pathogenesis.
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Registered trials
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