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Meynier M, Baudu E, Rolhion N, Defaye M, Straube M, Daugey V, Modoux M, Wawrzyniak I, Delbac F, Villéger R, Méleine M, Borras Nogues E, Godfraind C, Barnich N, Ardid D, Poirier P, Sokol H, Chatel JM, Langella P, Livrelli V, Bonnet M, Carvalho FA. AhR/IL-22 pathway as new target for the treatment of post-infectious irritable bowel syndrome symptoms. Gut Microbes 2022; 14:2022997. [PMID: 35090380 PMCID: PMC8803069 DOI: 10.1080/19490976.2021.2022997] [Citation(s) in RCA: 13] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/20/2021] [Accepted: 12/10/2021] [Indexed: 02/04/2023] Open
Abstract
Alterations in brain/gut/microbiota axis are linked to Irritable Bowel Syndrome (IBS) physiopathology. Upon gastrointestinal infection, chronic abdominal pain and anxio-depressive comorbidities may persist despite pathogen clearance leading to Post-Infectious IBS (PI-IBS). This study assesses the influence of tryptophan metabolism, and particularly the microbiota-induced AhR expression, on intestinal homeostasis disturbance following gastroenteritis resolution, and evaluates the efficacy of IL-22 cytokine vectorization on PI-IBS symptoms. The Citrobacter rodentium infection model in C57BL6/J mice was used to mimic Enterobacteria gastroenteritis. Intestinal homeostasis was evaluated as low-grade inflammation, permeability, mucosa-associated microbiota composition, and colonic sensitivity. Cognitive performances and emotional state of animals were assessed using several tests. Tryptophan metabolism was analyzed by targeted metabolomics. AhR activity was evaluated using a luciferase reporter assay method. One Lactococcus lactis strain carrying an eukaryotic expression plasmid for murine IL-22 (L. lactisIL-22) was used to induce IL-22 production in mouse colonic mucosa. C. rodentium-infected mice exhibited persistent colonic hypersensitivity and cognitive impairments and anxiety-like behaviors after pathogen clearance. These post-infectious disorders were associated with low-grade inflammation, increased intestinal permeability, decrease of Lactobacillaceae abundance associated with the colonic layer, and increase of short-chain fatty acids (SCFAs). During post-infection period, the indole pathway and AhR activity were decreased due to a reduction of tryptophol production. Treatment with L. lactisIL-22 restored gut permeability and normalized colonic sensitivity, restored cognitive performances and decreased anxiety-like behaviors. Data from the video-tracking system suggested an upgrade of welfare for mice receiving the L.lactisIL-22 strain. Our findings revealed that AhR/IL-22 signaling pathway is altered in a preclinical PI-IBS model. IL-22 delivering alleviate PI-IBS symptoms as colonic hypersensitivity, cognitive impairments, and anxiety-like behaviors by acting on intestinal mucosa integrity. Thus, therapeutic strategies targeting this pathway could be developed to treat IBS patients suffering from chronic abdominal pain and associated well-being disorders.
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Affiliation(s)
- Maëva Meynier
- M2iSH, UMR 1071 INSERM, University of Clermont Auvergne, INRAE USC 2018, Clermont-Ferrand63001, France
- NeuroDol, UMR 1107 INSERM, University of Clermont Auvergne, Clermont-Ferrand63001, France
| | - Elodie Baudu
- M2iSH, UMR 1071 INSERM, University of Clermont Auvergne, INRAE USC 2018, Clermont-Ferrand63001, France
- NeuroDol, UMR 1107 INSERM, University of Clermont Auvergne, Clermont-Ferrand63001, France
| | - Nathalie Rolhion
- Sorbonne University, INSERM, Centre de Recherche Saint-Antoine, CRSA, AP-HP, Saint Antoine Hospital, Gastroenterology Department, F-75012Paris, France
- Paris Centre for Microbiome Medicine FHU, Paris, France
| | - Manon Defaye
- NeuroDol, UMR 1107 INSERM, University of Clermont Auvergne, Clermont-Ferrand63001, France
- Department of Physiology and Pharmacology, Inflammation Research Network, Snyder Institute for Chronic Diseases, Cumming School of Medicine, University of Calgary, Calgary, AB, T2N 4N1, Canada
- LMGE, CNRS 6023, University of Clermont Auvergne, Clermont-Ferrand63001, France
| | - Marjolène Straube
- Sorbonne University, INSERM, Centre de Recherche Saint-Antoine, CRSA, AP-HP, Saint Antoine Hospital, Gastroenterology Department, F-75012Paris, France
| | - Valentine Daugey
- NeuroDol, UMR 1107 INSERM, University of Clermont Auvergne, Clermont-Ferrand63001, France
| | - Morgane Modoux
- Sorbonne University, INSERM, Centre de Recherche Saint-Antoine, CRSA, AP-HP, Saint Antoine Hospital, Gastroenterology Department, F-75012Paris, France
| | - Ivan Wawrzyniak
- LMGE, CNRS 6023, University of Clermont Auvergne, Clermont-Ferrand63001, France
| | - Frédéric Delbac
- LMGE, CNRS 6023, University of Clermont Auvergne, Clermont-Ferrand63001, France
| | - Romain Villéger
- M2iSH, UMR 1071 INSERM, University of Clermont Auvergne, INRAE USC 2018, Clermont-Ferrand63001, France
| | - Mathieu Méleine
- NeuroDol, UMR 1107 INSERM, University of Clermont Auvergne, Clermont-Ferrand63001, France
| | - Esther Borras Nogues
- Université Paris-Saclay, Institut National de la Recherche Agronomique et Environnementale (INRAE), AgroParisTech UMR 1319 MICALIS, Jouy-en-Josas, France
| | - Catherine Godfraind
- M2iSH, UMR 1071 INSERM, University of Clermont Auvergne, INRAE USC 2018, Clermont-Ferrand63001, France
- CHU Clermont-Ferrand, Neuropathology Unit, Clermont-Ferrand, France
| | - Nicolas Barnich
- M2iSH, UMR 1071 INSERM, University of Clermont Auvergne, INRAE USC 2018, Clermont-Ferrand63001, France
| | - Denis Ardid
- NeuroDol, UMR 1107 INSERM, University of Clermont Auvergne, Clermont-Ferrand63001, France
| | - Philippe Poirier
- M2iSH, UMR 1071 INSERM, University of Clermont Auvergne, INRAE USC 2018, Clermont-Ferrand63001, France
- CHU Clermont-Ferrand, Laboratoire de Parasitologie et de Mycologie, Clermont-Ferrand, France
| | - Harry Sokol
- Sorbonne University, INSERM, Centre de Recherche Saint-Antoine, CRSA, AP-HP, Saint Antoine Hospital, Gastroenterology Department, F-75012Paris, France
- Paris Centre for Microbiome Medicine FHU, Paris, France
- Université Paris-Saclay, Institut National de la Recherche Agronomique et Environnementale (INRAE), AgroParisTech UMR 1319 MICALIS, Jouy-en-Josas, France
| | - Jean-Marc Chatel
- Université Paris-Saclay, Institut National de la Recherche Agronomique et Environnementale (INRAE), AgroParisTech UMR 1319 MICALIS, Jouy-en-Josas, France
| | - Philippe Langella
- Université Paris-Saclay, Institut National de la Recherche Agronomique et Environnementale (INRAE), AgroParisTech UMR 1319 MICALIS, Jouy-en-Josas, France
| | - Valérie Livrelli
- M2iSH, UMR 1071 INSERM, University of Clermont Auvergne, INRAE USC 2018, Clermont-Ferrand63001, France
- CHU Clermont-Ferrand, Laboratoire de Parasitologie et de Mycologie, Clermont-Ferrand, France
| | - Mathilde Bonnet
- M2iSH, UMR 1071 INSERM, University of Clermont Auvergne, INRAE USC 2018, Clermont-Ferrand63001, France
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