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Michaudel C, Danne C, Agus A, Magniez A, Aucouturier A, Spatz M, Lefevre A, Kirchgesner J, Rolhion N, Wang Y, Lavelle A, Galbert C, Da Costa G, Poirier M, Lapière A, Planchais J, Nádvorník P, Illes P, Oeuvray C, Creusot L, Michel ML, Benech N, Bourrier A, Nion-Larmurier I, Landman C, Richard ML, Emond P, Seksik P, Beaugerie L, Arguello RR, Moulin D, Mani S, Dvorák Z, Bermúdez-Humarán LG, Langella P, Sokol H. Rewiring the altered tryptophan metabolism as a novel therapeutic strategy in inflammatory bowel diseases. Gut 2022:gutjnl-2022-327337. [PMID: 36270778 DOI: 10.1136/gutjnl-2022-327337] [Citation(s) in RCA: 31] [Impact Index Per Article: 15.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/11/2022] [Accepted: 10/06/2022] [Indexed: 11/04/2022]
Abstract
OBJECTIVE The extent to which tryptophan (Trp) metabolism alterations explain or influence the outcome of inflammatory bowel diseases (IBDs) is still unclear. However, several Trp metabolism end-products are essential to intestinal homeostasis. Here, we investigated the role of metabolites from the kynurenine pathway. DESIGN Targeted quantitative metabolomics was performed in two large human IBD cohorts (1069 patients with IBD). Dextran sodium sulphate-induced colitis experiments in mice were used to evaluate effects of identified metabolites. In vitro, ex vivo and in vivo experiments were used to decipher mechanisms involved. Effects on energy metabolism were evaluated by different methods including Single Cell mEtabolism by profiling Translation inHibition. RESULTS In mice and humans, intestinal inflammation severity negatively correlates with the amount of xanthurenic (XANA) and kynurenic (KYNA) acids. Supplementation with XANA or KYNA decreases colitis severity through effects on intestinal epithelial cells and T cells, involving Aryl hydrocarbon Receptor (AhR) activation and the rewiring of cellular energy metabolism. Furthermore, direct modulation of the endogenous tryptophan metabolism, using the recombinant enzyme aminoadipate aminotransferase (AADAT), responsible for the generation of XANA and KYNA, was protective in rodent colitis models. CONCLUSION Our study identified a new mechanism linking Trp metabolism to intestinal inflammation and IBD. Bringing back XANA and KYNA has protective effects involving AhR and the rewiring of the energy metabolism in intestinal epithelial cells and CD4+ T cells. This study paves the way for new therapeutic strategies aiming at pharmacologically correcting its alterations in IBD by manipulating the endogenous metabolic pathway with AADAT.
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Affiliation(s)
- Chloé Michaudel
- Université Paris-Saclay, INRAe, AgroParisTech, Micalis institute, Jouy-en-Josas, France.,Paris Center for Microbiome Medicine (PaCeMM) FHU, Paris, France
| | - Camille Danne
- Université Paris-Saclay, INRAe, AgroParisTech, Micalis institute, Jouy-en-Josas, France.,Paris Center for Microbiome Medicine (PaCeMM) FHU, Paris, France.,Sorbonne Université, INSERM UMRS-938, Centre de Recherche Saint-Antoine, CRSA, AP-HP, Paris, France
| | - Allison Agus
- Université Paris-Saclay, INRAe, AgroParisTech, Micalis institute, Jouy-en-Josas, France.,Paris Center for Microbiome Medicine (PaCeMM) FHU, Paris, France
| | - Aurélie Magniez
- Université Paris-Saclay, INRAe, AgroParisTech, Micalis institute, Jouy-en-Josas, France.,Paris Center for Microbiome Medicine (PaCeMM) FHU, Paris, France
| | - Anne Aucouturier
- Université Paris-Saclay, INRAe, AgroParisTech, Micalis institute, Jouy-en-Josas, France.,Paris Center for Microbiome Medicine (PaCeMM) FHU, Paris, France
| | - Madeleine Spatz
- Université Paris-Saclay, INRAe, AgroParisTech, Micalis institute, Jouy-en-Josas, France.,Paris Center for Microbiome Medicine (PaCeMM) FHU, Paris, France
| | - Antoine Lefevre
- UMR 1253, iBrain, University of Tours, Inserm, 37044 Tours, France
| | - Julien Kirchgesner
- Paris Center for Microbiome Medicine (PaCeMM) FHU, Paris, France.,Gastroenterology department, Saint Antoine Hospital, APHP, Paris, France
| | - Nathalie Rolhion
- Paris Center for Microbiome Medicine (PaCeMM) FHU, Paris, France.,Sorbonne Université, INSERM UMRS-938, Centre de Recherche Saint-Antoine, CRSA, AP-HP, Paris, France
| | - Yazhou Wang
- Université Paris-Saclay, INRAe, AgroParisTech, Micalis institute, Jouy-en-Josas, France.,Paris Center for Microbiome Medicine (PaCeMM) FHU, Paris, France
| | - Aonghus Lavelle
- Paris Center for Microbiome Medicine (PaCeMM) FHU, Paris, France.,Sorbonne Université, INSERM UMRS-938, Centre de Recherche Saint-Antoine, CRSA, AP-HP, Paris, France
| | - Chloé Galbert
- Paris Center for Microbiome Medicine (PaCeMM) FHU, Paris, France.,Sorbonne Université, INSERM UMRS-938, Centre de Recherche Saint-Antoine, CRSA, AP-HP, Paris, France
| | - Gregory Da Costa
- Université Paris-Saclay, INRAe, AgroParisTech, Micalis institute, Jouy-en-Josas, France.,Paris Center for Microbiome Medicine (PaCeMM) FHU, Paris, France
| | - Maxime Poirier
- Université Paris-Saclay, INRAe, AgroParisTech, Micalis institute, Jouy-en-Josas, France.,Paris Center for Microbiome Medicine (PaCeMM) FHU, Paris, France
| | - Alexia Lapière
- Université Paris-Saclay, INRAe, AgroParisTech, Micalis institute, Jouy-en-Josas, France.,Paris Center for Microbiome Medicine (PaCeMM) FHU, Paris, France
| | - Julien Planchais
- Université Paris-Saclay, INRAe, AgroParisTech, Micalis institute, Jouy-en-Josas, France.,Paris Center for Microbiome Medicine (PaCeMM) FHU, Paris, France
| | - Petr Nádvorník
- Department of Cell Biology and Genetics, Faculty of Science, Palacky University, Olomouc, Czech Republic
| | - Peter Illes
- Department of Cell Biology and Genetics, Faculty of Science, Palacky University, Olomouc, Czech Republic
| | - Cyriane Oeuvray
- Paris Center for Microbiome Medicine (PaCeMM) FHU, Paris, France.,Sorbonne Université, INSERM UMRS-938, Centre de Recherche Saint-Antoine, CRSA, AP-HP, Paris, France
| | - Laura Creusot
- Paris Center for Microbiome Medicine (PaCeMM) FHU, Paris, France.,Sorbonne Université, INSERM UMRS-938, Centre de Recherche Saint-Antoine, CRSA, AP-HP, Paris, France
| | - Marie-Laure Michel
- Université Paris-Saclay, INRAe, AgroParisTech, Micalis institute, Jouy-en-Josas, France.,Paris Center for Microbiome Medicine (PaCeMM) FHU, Paris, France
| | - Nicolas Benech
- Paris Center for Microbiome Medicine (PaCeMM) FHU, Paris, France.,Sorbonne Université, INSERM UMRS-938, Centre de Recherche Saint-Antoine, CRSA, AP-HP, Paris, France.,Gastroenterology department, Saint Antoine Hospital, APHP, Paris, France
| | - Anne Bourrier
- Paris Center for Microbiome Medicine (PaCeMM) FHU, Paris, France.,Gastroenterology department, Saint Antoine Hospital, APHP, Paris, France
| | - Isabelle Nion-Larmurier
- Paris Center for Microbiome Medicine (PaCeMM) FHU, Paris, France.,Gastroenterology department, Saint Antoine Hospital, APHP, Paris, France
| | - Cecilia Landman
- Paris Center for Microbiome Medicine (PaCeMM) FHU, Paris, France.,Gastroenterology department, Saint Antoine Hospital, APHP, Paris, France
| | - Mathias L Richard
- Université Paris-Saclay, INRAe, AgroParisTech, Micalis institute, Jouy-en-Josas, France.,Paris Center for Microbiome Medicine (PaCeMM) FHU, Paris, France
| | - Patrick Emond
- UMR 1253, iBrain, University of Tours, Inserm, 37044 Tours, France.,CHRU Tours, Medical Biology Center, Tours, France
| | - Philippe Seksik
- Paris Center for Microbiome Medicine (PaCeMM) FHU, Paris, France.,Sorbonne Université, INSERM UMRS-938, Centre de Recherche Saint-Antoine, CRSA, AP-HP, Paris, France.,Gastroenterology department, Saint Antoine Hospital, APHP, Paris, France
| | - Laurent Beaugerie
- Paris Center for Microbiome Medicine (PaCeMM) FHU, Paris, France.,Gastroenterology department, Saint Antoine Hospital, APHP, Paris, France
| | - Rafael Rose Arguello
- Aix Marseille Univ, CNRS, INSERM, CIML, Centre d'Immunologie de Marseille-Luminy, Marseille, France
| | - David Moulin
- CNRS, IMoPA, Université de Lorraine, Vandoeuvre-lès-Nancy, France
| | - Sridhar Mani
- Molecular Pharmacology, Genetics and Medicine, Albert Einstein College of Medicine, Bronx, New York, USA
| | - Zdenek Dvorák
- Department of Cell Biology and Genetics, Faculty of Science, Palacky University, Olomouc, Czech Republic
| | - Luis G Bermúdez-Humarán
- Université Paris-Saclay, INRAe, AgroParisTech, Micalis institute, Jouy-en-Josas, France.,Paris Center for Microbiome Medicine (PaCeMM) FHU, Paris, France
| | - Philippe Langella
- Université Paris-Saclay, INRAe, AgroParisTech, Micalis institute, Jouy-en-Josas, France.,Paris Center for Microbiome Medicine (PaCeMM) FHU, Paris, France
| | - Harry Sokol
- Université Paris-Saclay, INRAe, AgroParisTech, Micalis institute, Jouy-en-Josas, France .,Paris Center for Microbiome Medicine (PaCeMM) FHU, Paris, France.,Sorbonne Université, INSERM UMRS-938, Centre de Recherche Saint-Antoine, CRSA, AP-HP, Paris, France.,Gastroenterology department, Saint Antoine Hospital, APHP, Paris, France
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2
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Danne C, Michaudel C, Skerniskyte J, Planchais J, Magniez A, Agus A, Michel ML, Lamas B, Da Costa G, Spatz M, Oeuvray C, Galbert C, Poirier M, Wang Y, Lapière A, Rolhion N, Ledent T, Pionneau C, Chardonnet S, Bellvert F, Cahoreau E, Rocher A, Arguello RR, Peyssonnaux C, Louis S, Richard ML, Langella P, El-Benna J, Marteyn B, Sokol H. CARD9 in neutrophils protects from colitis and controls mitochondrial metabolism and cell survival. Gut 2022; 72:1081-1092. [PMID: 36167663 DOI: 10.1136/gutjnl-2022-326917] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/08/2022] [Accepted: 09/04/2022] [Indexed: 12/08/2022]
Abstract
OBJECTIVES Inflammatory bowel disease (IBD) results from a combination of genetic predisposition, dysbiosis of the gut microbiota and environmental factors, leading to alterations in the gastrointestinal immune response and chronic inflammation. Caspase recruitment domain 9 (Card9), one of the IBD susceptibility genes, has been shown to protect against intestinal inflammation and fungal infection. However, the cell types and mechanisms involved in the CARD9 protective role against inflammation remain unknown. DESIGN We used dextran sulfate sodium (DSS)-induced and adoptive transfer colitis models in total and conditional CARD9 knock-out mice to uncover which cell types play a role in the CARD9 protective phenotype. The impact of Card9 deletion on neutrophil function was assessed by an in vivo model of fungal infection and various functional assays, including endpoint dilution assay, apoptosis assay by flow cytometry, proteomics and real-time bioenergetic profile analysis (Seahorse). RESULTS Lymphocytes are not intrinsically involved in the CARD9 protective role against colitis. CARD9 expression in neutrophils, but not in epithelial or CD11c+cells, protects against DSS-induced colitis. In the absence of CARD9, mitochondrial dysfunction increases mitochondrial reactive oxygen species production leading to the premature death of neutrophilsthrough apoptosis, especially in oxidative environment. The decreased functional neutrophils in tissues might explain the impaired containment of fungi and increased susceptibility to intestinal inflammation. CONCLUSION These results provide new insight into the role of CARD9 in neutrophil mitochondrial function and its involvement in intestinal inflammation, paving the way for new therapeutic strategies targeting neutrophils.
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Affiliation(s)
- Camille Danne
- Université Paris-Saclay, INRAE, AgroParisTech, Micalis Institute, Jouy-en-Josas, France .,Sorbonne Université, INSERM UMRS-938, Centre de Recherche Saint-Antoine, CRSA, AP-HP, Hôpital Saint-Antoine, Service de Gastroentérologie, F-75012 Paris, France.,Paris Center For Microbiome Medicine (PaCeMM) FHU, Paris, France
| | - Chloé Michaudel
- Université Paris-Saclay, INRAE, AgroParisTech, Micalis Institute, Jouy-en-Josas, France.,Paris Center For Microbiome Medicine (PaCeMM) FHU, Paris, France
| | - Jurate Skerniskyte
- CNRS, UPR 9002, Université de Strasbourg, Institut de Biologie Moléculaire et Cellulaire, Architecture et Réactivité de l'ARN, Strasbourg, France
| | - Julien Planchais
- Université Paris-Saclay, INRAE, AgroParisTech, Micalis Institute, Jouy-en-Josas, France.,Paris Center For Microbiome Medicine (PaCeMM) FHU, Paris, France
| | - Aurélie Magniez
- Université Paris-Saclay, INRAE, AgroParisTech, Micalis Institute, Jouy-en-Josas, France.,Paris Center For Microbiome Medicine (PaCeMM) FHU, Paris, France
| | - Allison Agus
- Université Paris-Saclay, INRAE, AgroParisTech, Micalis Institute, Jouy-en-Josas, France.,Paris Center For Microbiome Medicine (PaCeMM) FHU, Paris, France
| | - Marie-Laure Michel
- Université Paris-Saclay, INRAE, AgroParisTech, Micalis Institute, Jouy-en-Josas, France.,Paris Center For Microbiome Medicine (PaCeMM) FHU, Paris, France
| | - Bruno Lamas
- Université Paris-Saclay, INRAE, AgroParisTech, Micalis Institute, Jouy-en-Josas, France.,Paris Center For Microbiome Medicine (PaCeMM) FHU, Paris, France
| | - Gregory Da Costa
- Université Paris-Saclay, INRAE, AgroParisTech, Micalis Institute, Jouy-en-Josas, France.,Paris Center For Microbiome Medicine (PaCeMM) FHU, Paris, France
| | - Madeleine Spatz
- Université Paris-Saclay, INRAE, AgroParisTech, Micalis Institute, Jouy-en-Josas, France.,Paris Center For Microbiome Medicine (PaCeMM) FHU, Paris, France
| | - Cyriane Oeuvray
- Sorbonne Université, INSERM UMRS-938, Centre de Recherche Saint-Antoine, CRSA, AP-HP, Hôpital Saint-Antoine, Service de Gastroentérologie, F-75012 Paris, France.,Paris Center For Microbiome Medicine (PaCeMM) FHU, Paris, France
| | - Chloé Galbert
- Sorbonne Université, INSERM UMRS-938, Centre de Recherche Saint-Antoine, CRSA, AP-HP, Hôpital Saint-Antoine, Service de Gastroentérologie, F-75012 Paris, France.,Paris Center For Microbiome Medicine (PaCeMM) FHU, Paris, France
| | - Maxime Poirier
- Université Paris-Saclay, INRAE, AgroParisTech, Micalis Institute, Jouy-en-Josas, France.,Paris Center For Microbiome Medicine (PaCeMM) FHU, Paris, France
| | - Yazhou Wang
- Université Paris-Saclay, INRAE, AgroParisTech, Micalis Institute, Jouy-en-Josas, France.,Paris Center For Microbiome Medicine (PaCeMM) FHU, Paris, France
| | - Alexia Lapière
- Université Paris-Saclay, INRAE, AgroParisTech, Micalis Institute, Jouy-en-Josas, France.,Paris Center For Microbiome Medicine (PaCeMM) FHU, Paris, France
| | - Nathalie Rolhion
- Sorbonne Université, INSERM UMRS-938, Centre de Recherche Saint-Antoine, CRSA, AP-HP, Hôpital Saint-Antoine, Service de Gastroentérologie, F-75012 Paris, France.,Paris Center For Microbiome Medicine (PaCeMM) FHU, Paris, France
| | - Tatiana Ledent
- Sorbonne Université, INSERM UMRS-938, Centre de Recherche Saint-Antoine, CRSA, AP-HP, Hôpital Saint-Antoine, Service de Gastroentérologie, F-75012 Paris, France
| | - Cédric Pionneau
- Sorbonne Université, INSERM, UMS PASS, Plateforme Postgénomique de la Pitié Salpêtrière (P3S), Paris, France
| | - Solenne Chardonnet
- Sorbonne Université, INSERM, UMS PASS, Plateforme Postgénomique de la Pitié Salpêtrière (P3S), Paris, France
| | - Floriant Bellvert
- MetaToul-MetaboHUB, National Infrastructure of Metabolomics & Fluxomics (ANR-11INBS-0010), 31077 Toulouse, France
| | - Edern Cahoreau
- MetaToul-MetaboHUB, National Infrastructure of Metabolomics & Fluxomics (ANR-11INBS-0010), 31077 Toulouse, France
| | - Amandine Rocher
- MetaToul-MetaboHUB, National Infrastructure of Metabolomics & Fluxomics (ANR-11INBS-0010), 31077 Toulouse, France
| | - Rafael Rose Arguello
- Aix Marseille Univ, CNRS, INSERM, CIML, Centre d'Immunologie de Marseille-Luminy, Marseille, France
| | - Carole Peyssonnaux
- Institut Cochin, INSERM, CNRS, Université de Paris, Laboratoire d'excellence GR-Ex, Paris, France
| | - Sabine Louis
- Institut Cochin, INSERM, CNRS, Université de Paris, Laboratoire d'excellence GR-Ex, Paris, France
| | - Mathias L Richard
- Université Paris-Saclay, INRAE, AgroParisTech, Micalis Institute, Jouy-en-Josas, France.,Paris Center For Microbiome Medicine (PaCeMM) FHU, Paris, France
| | - Philippe Langella
- Université Paris-Saclay, INRAE, AgroParisTech, Micalis Institute, Jouy-en-Josas, France.,Paris Center For Microbiome Medicine (PaCeMM) FHU, Paris, France
| | - Jamel El-Benna
- Université de Paris, INSERM-U1149, CNRS-ERL8252, Centre de Recherche sur l'Inflammation (CRI), Laboratoire d'excellence Inflamex, Faculté de Médecine Xavier Bichat, Paris, France
| | - Benoit Marteyn
- CNRS, UPR 9002, Université de Strasbourg, Institut de Biologie Moléculaire et Cellulaire, Architecture et Réactivité de l'ARN, Strasbourg, France.,University of Strasbourg Institute for Advanced Study (USIAS), Strasbourg, France.,Institut Pasteur, Université de Paris, Inserm 1225 Unité de Pathogenèse des Infections Vasculaires, 28 rue du Dr. Roux, 75724 Paris Cedex 15, France
| | - Harry Sokol
- Université Paris-Saclay, INRAE, AgroParisTech, Micalis Institute, Jouy-en-Josas, France .,Sorbonne Université, INSERM UMRS-938, Centre de Recherche Saint-Antoine, CRSA, AP-HP, Hôpital Saint-Antoine, Service de Gastroentérologie, F-75012 Paris, France.,Paris Center For Microbiome Medicine (PaCeMM) FHU, Paris, France
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3
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Umami N, Rahayu ERV, Suhartanto B, Agus A, Rahman MM. Selenium Application in Improving Chicory (Cichorium intybus) Productivity and Quality. Trop Anim Sci J 2022. [DOI: 10.5398/tasj.2022.45.3.337] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022] Open
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4
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Wang Y, Spatz M, Da Costa G, Michaudel C, Lapiere A, Danne C, Agus A, Michel ML, Netea MG, Langella P, Sokol H, Richard ML. Deletion of both Dectin-1 and Dectin-2 affects the bacterial but not fungal gut microbiota and susceptibility to colitis in mice. Microbiome 2022; 10:91. [PMID: 35698210 PMCID: PMC9195441 DOI: 10.1186/s40168-022-01273-4] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 11/03/2021] [Accepted: 04/14/2022] [Indexed: 06/15/2023]
Abstract
BACKGROUND Innate immunity genes have been reported to affect susceptibility to inflammatory bowel diseases (IBDs) and colitis in mice. Dectin-1, a receptor for fungal cell wall β-glucans, has been clearly implicated in gut microbiota modulation and modification of the susceptibility to gut inflammation. Here, we explored the role of Dectin-1 and Dectin-2 (another receptor for fungal cell wall molecules) deficiency in intestinal inflammation. DESIGN Susceptibility to dextran sodium sulfate (DSS)-induced colitis was assessed in wild-type, Dectin-1 knockout (KO), Dectin-2KO, and double Dectin-1KO and Dectin-2KO (D-1/2KO) mice. Inflammation severity, as well as bacterial and fungal microbiota compositions, was monitored. RESULTS While deletion of Dectin-1 or Dectin-2 did not have a strong effect on DSS-induced colitis, double deletion of Dectin-1 and Dectin-2 significantly protected the mice from colitis. The protection was largely mediated by the gut microbiota, as demonstrated by fecal transfer experiments. Treatment of D-1/2KO mice with opportunistic fungal pathogens or antifungal agents did not affect the protection against gut inflammation, suggesting that the fungal microbiota had no role in the protective phenotype. Amplicon-based microbiota analysis of the fecal bacterial and fungal microbiota of D-1/2KO mice confirmed the absence of changes in the mycobiota but strong modification of the bacterial microbiota. We showed that bacteria from the Lachnospiraceae family were at least partly involved in this protection and that treatment with Blautia hansenii was enough to recapitulate the protection. CONCLUSIONS Deletion of both the Dectin-1 and Dectin-2 receptors triggered a global shift in the microbial gut environment, affecting, surprisingly, mainly the bacterial population and driving protective effects in colitis. Members of the Lachnospiraceae family seem to play a central role in this protection. These findings provide new insights into the role of the Dectin receptors, which have been described to date as affecting only the fungal population, in intestinal physiopathology and in IBD. Video Abstract.
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Affiliation(s)
- Yazhou Wang
- Universite Paris-Saclay, INRAE, AgroParisTech, Micalis Institute, Domaine de Vilvert, 78352, Jouy en Josas, France
- Paris Center for Microbiome Medicine, Fédération Hospitalo-Universitaire, 75012, Paris, France
| | - Madeleine Spatz
- Universite Paris-Saclay, INRAE, AgroParisTech, Micalis Institute, Domaine de Vilvert, 78352, Jouy en Josas, France
- Paris Center for Microbiome Medicine, Fédération Hospitalo-Universitaire, 75012, Paris, France
| | - Gregory Da Costa
- Universite Paris-Saclay, INRAE, AgroParisTech, Micalis Institute, Domaine de Vilvert, 78352, Jouy en Josas, France
- Paris Center for Microbiome Medicine, Fédération Hospitalo-Universitaire, 75012, Paris, France
| | - Chloé Michaudel
- Universite Paris-Saclay, INRAE, AgroParisTech, Micalis Institute, Domaine de Vilvert, 78352, Jouy en Josas, France
- Paris Center for Microbiome Medicine, Fédération Hospitalo-Universitaire, 75012, Paris, France
| | - Alexia Lapiere
- Universite Paris-Saclay, INRAE, AgroParisTech, Micalis Institute, Domaine de Vilvert, 78352, Jouy en Josas, France
- Paris Center for Microbiome Medicine, Fédération Hospitalo-Universitaire, 75012, Paris, France
| | - Camille Danne
- Universite Paris-Saclay, INRAE, AgroParisTech, Micalis Institute, Domaine de Vilvert, 78352, Jouy en Josas, France
- Paris Center for Microbiome Medicine, Fédération Hospitalo-Universitaire, 75012, Paris, France
| | - Allison Agus
- Universite Paris-Saclay, INRAE, AgroParisTech, Micalis Institute, Domaine de Vilvert, 78352, Jouy en Josas, France
- Paris Center for Microbiome Medicine, Fédération Hospitalo-Universitaire, 75012, Paris, France
| | - Marie-Laure Michel
- Universite Paris-Saclay, INRAE, AgroParisTech, Micalis Institute, Domaine de Vilvert, 78352, Jouy en Josas, France
- Paris Center for Microbiome Medicine, Fédération Hospitalo-Universitaire, 75012, Paris, France
| | - Mihai G Netea
- Department of Internal Medicine and Center for Infectious Diseases, Radboud University, Nijmegen, Netherlands
- Department of Immunology and Metabolism, Life & Medical Sciences Institute, University of Bonn, Bonn, Germany
| | - Philippe Langella
- Universite Paris-Saclay, INRAE, AgroParisTech, Micalis Institute, Domaine de Vilvert, 78352, Jouy en Josas, France
- Paris Center for Microbiome Medicine, Fédération Hospitalo-Universitaire, 75012, Paris, France
| | - Harry Sokol
- Universite Paris-Saclay, INRAE, AgroParisTech, Micalis Institute, Domaine de Vilvert, 78352, Jouy en Josas, France
- Paris Center for Microbiome Medicine, Fédération Hospitalo-Universitaire, 75012, Paris, France
- Gastroenterology Department INSERM, Centre de Recherche Saint-Antoine, CRSA, AP-HP, Saint Antoine Hospital, Sorbonne Université, F-75012, Paris, France
| | - Mathias L Richard
- Universite Paris-Saclay, INRAE, AgroParisTech, Micalis Institute, Domaine de Vilvert, 78352, Jouy en Josas, France.
- Paris Center for Microbiome Medicine, Fédération Hospitalo-Universitaire, 75012, Paris, France.
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5
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Agus A, Richard D, Faïs T, Vazeille E, Chervy M, Bonnin V, Dalmasso G, Denizot J, Billard E, Bonnet R, Buisson A, Barnich N, Delmas J. Propionate catabolism by CD-associated adherent-invasive E. coli counteracts its anti-inflammatory effect. Gut Microbes 2022; 13:1-18. [PMID: 33769191 PMCID: PMC8007151 DOI: 10.1080/19490976.2020.1839318] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/06/2023] Open
Abstract
Crohn's disease (CD) is a chronic and disabling inflammatory disorder of the gut that is profoundly influenced by intestinal microbiota composition, host genetics and environmental factors. Several groups worldwide have described an imbalance of the gut microbiome composition, called dysbiosis, in CD patients, with an increase in Proteobacteria and Bacteroidetes and a decrease in Firmicutes. A high prevalence of adherent-invasive Escherichia coli (AIEC) pathobionts has been identified in the intestinal mucosa of CD patients. A significant loss in the bacteria that produce short-chain fatty acids (SCFAs) with anti-inflammatory properties, such as propionate, is also a consequence of dysbiosis in CD patients. Here, the AIEC reference strain LF82 was able to degrade propionate in the gut, which was sufficient to counteract the anti-inflammatory effect of propionate both in in vitro models and in mice with DSS-induced colitis. The consumption of propionate by AIEC pathobionts leads to an increase in TNF-α production by macrophages upon infection through the bacterial methyl-citrate pathway. To induce the protective effects of SCFAs on the inflamed gut, we used a G-protein-coupled receptor 43 agonist (GPR43 agonist) that is not metabolizable by intestinal bacteria. Interestingly, this agonist showed anti-inflammatory properties and decreased the severity of colitis in AIEC-infected mice, as assessed by an improvement in the disease activity index (DAI) and a decrease in AIEC pathobiont encroachment. Taken together, these results highlight the effectiveness of GPR43 agonist treatment in the control of gut inflammation and improved our understanding of the ability of AIEC to modulate propionate availability to create an infectious niche to its advantage.
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Affiliation(s)
- Allison Agus
- Inserm U1071, USC-INRAE 2018, Microbes, Intestin, Inflammation Et Susceptibilité De l’Hôte (M2ISH), Centre De Recherche En Nutrition Humaine Auvergne University Clermont Auvergne, Clermont-Ferrand, France,INRAE, AgroParisTech, Micalis Institute, University Paris-Saclay, Jouy-en-Josas, France,Allison Agus Inserm U1071, USC-INRAE 2018, Microbes, Intestin, Inflammation Et Susceptibilité De l’Hôte (M2iSH), Centre De Recherche En Nutrition Humaine Auvergne, University Clermont Auvergne, Clermont-Ferrand, France
| | - Damien Richard
- Department of Pharmacology, University Hospital of Clermont-Ferrand, France
| | - Tiphanie Faïs
- Inserm U1071, USC-INRAE 2018, Microbes, Intestin, Inflammation Et Susceptibilité De l’Hôte (M2ISH), Centre De Recherche En Nutrition Humaine Auvergne University Clermont Auvergne, Clermont-Ferrand, France,Department of Bacteriology, University Hospital of Clermont-Ferrand, France
| | - Emilie Vazeille
- Inserm U1071, USC-INRAE 2018, Microbes, Intestin, Inflammation Et Susceptibilité De l’Hôte (M2ISH), Centre De Recherche En Nutrition Humaine Auvergne University Clermont Auvergne, Clermont-Ferrand, France,Service d’Hépato-Gastro Entérologie, 3iHP, CHU Clermont-Ferrand, Clermont-Ferrand, France
| | - Mélissa Chervy
- Inserm U1071, USC-INRAE 2018, Microbes, Intestin, Inflammation Et Susceptibilité De l’Hôte (M2ISH), Centre De Recherche En Nutrition Humaine Auvergne University Clermont Auvergne, Clermont-Ferrand, France
| | - Virginie Bonnin
- Inserm U1071, USC-INRAE 2018, Microbes, Intestin, Inflammation Et Susceptibilité De l’Hôte (M2ISH), Centre De Recherche En Nutrition Humaine Auvergne University Clermont Auvergne, Clermont-Ferrand, France
| | - Guillaume Dalmasso
- Inserm U1071, USC-INRAE 2018, Microbes, Intestin, Inflammation Et Susceptibilité De l’Hôte (M2ISH), Centre De Recherche En Nutrition Humaine Auvergne University Clermont Auvergne, Clermont-Ferrand, France
| | - Jérémy Denizot
- Inserm U1071, USC-INRAE 2018, Microbes, Intestin, Inflammation Et Susceptibilité De l’Hôte (M2ISH), Centre De Recherche En Nutrition Humaine Auvergne University Clermont Auvergne, Clermont-Ferrand, France,Institut Universitaire De Technologie, University Clermont Auvergne, Clermont-Ferrand, France
| | - Elisabeth Billard
- Inserm U1071, USC-INRAE 2018, Microbes, Intestin, Inflammation Et Susceptibilité De l’Hôte (M2ISH), Centre De Recherche En Nutrition Humaine Auvergne University Clermont Auvergne, Clermont-Ferrand, France,Institut Universitaire De Technologie, University Clermont Auvergne, Clermont-Ferrand, France
| | - Richard Bonnet
- Inserm U1071, USC-INRAE 2018, Microbes, Intestin, Inflammation Et Susceptibilité De l’Hôte (M2ISH), Centre De Recherche En Nutrition Humaine Auvergne University Clermont Auvergne, Clermont-Ferrand, France,Department of Bacteriology, University Hospital of Clermont-Ferrand, France
| | - Anthony Buisson
- Inserm U1071, USC-INRAE 2018, Microbes, Intestin, Inflammation Et Susceptibilité De l’Hôte (M2ISH), Centre De Recherche En Nutrition Humaine Auvergne University Clermont Auvergne, Clermont-Ferrand, France,Service d’Hépato-Gastro Entérologie, 3iHP, CHU Clermont-Ferrand, Clermont-Ferrand, France
| | - Nicolas Barnich
- Inserm U1071, USC-INRAE 2018, Microbes, Intestin, Inflammation Et Susceptibilité De l’Hôte (M2ISH), Centre De Recherche En Nutrition Humaine Auvergne University Clermont Auvergne, Clermont-Ferrand, France,Institut Universitaire De Technologie, University Clermont Auvergne, Clermont-Ferrand, France
| | - Julien Delmas
- Inserm U1071, USC-INRAE 2018, Microbes, Intestin, Inflammation Et Susceptibilité De l’Hôte (M2ISH), Centre De Recherche En Nutrition Humaine Auvergne University Clermont Auvergne, Clermont-Ferrand, France,Department of Bacteriology, University Hospital of Clermont-Ferrand, France,CONTACT Julien Delmas
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6
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Winarti E, Gunawan, Putridinanti AD, Noviandi CT, Andarwati S, Agus A, Harper KJ, Poppi DP. Utilising Gliricidia sepium leaf meal as a protein substitute in cassava-based supplements to increase average daily gain of Ongole bulls and income of smallholder farmers. Anim Prod Sci 2022. [DOI: 10.1071/an21595] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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7
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Dupraz L, Magniez A, Rolhion N, Richard ML, Da Costa G, Touch S, Mayeur C, Planchais J, Agus A, Danne C, Michaudel C, Spatz M, Trottein F, Langella P, Sokol H, Michel ML. Gut microbiota-derived short-chain fatty acids regulate IL-17 production by mouse and human intestinal γδ T cells. Cell Rep 2021; 36:109332. [PMID: 34233192 DOI: 10.1016/j.celrep.2021.109332] [Citation(s) in RCA: 105] [Impact Index Per Article: 35.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/12/2020] [Revised: 03/04/2021] [Accepted: 06/10/2021] [Indexed: 12/23/2022] Open
Abstract
Gut interleukin-17A (IL-17)-producing γδ T cells are tissue-resident cells that are involved in both host defense and regulation of intestinal inflammation. However, factors that regulate their functions are poorly understood. In this study, we find that the gut microbiota represses IL-17 production by cecal γδ T cells. Treatment with vancomycin, a Gram-positive bacterium-targeting antibiotic, leads to decreased production of short-chain fatty acids (SCFAs) by the gut microbiota. Our data reveal that these microbiota-derived metabolites, particularly propionate, reduce IL-17 and IL-22 production by intestinal γδ T cells. Propionate acts directly on γδ T cells to inhibit their production of IL-17 in a histone deacetylase-dependent manner. Moreover, the production of IL-17 by human IL-17-producing γδ T cells from patients with inflammatory bowel disease (IBD) is regulated by propionate. These data contribute to a better understanding of the mechanisms regulating gut γδ T cell functions and offer therapeutic perspectives of these cells.
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Affiliation(s)
- Louise Dupraz
- Université Paris-Saclay, INRAE, AgroParisTech, Micalis Institute, 78350 Jouy-en-Josas, France; Sorbonne Université, INSERM, Centre de Recherche Saint-Antoine, CRSA, AP-HP, Saint-Antoine Hospital, Gastroenterology Department, 75012 Paris, France
| | - Aurélie Magniez
- Université Paris-Saclay, INRAE, AgroParisTech, Micalis Institute, 78350 Jouy-en-Josas, France; Paris Center for Microbiome Medicine (PaCeMM) FHU, Paris, France
| | - Nathalie Rolhion
- Sorbonne Université, INSERM, Centre de Recherche Saint-Antoine, CRSA, AP-HP, Saint-Antoine Hospital, Gastroenterology Department, 75012 Paris, France; Paris Center for Microbiome Medicine (PaCeMM) FHU, Paris, France
| | - Mathias L Richard
- Université Paris-Saclay, INRAE, AgroParisTech, Micalis Institute, 78350 Jouy-en-Josas, France; Paris Center for Microbiome Medicine (PaCeMM) FHU, Paris, France
| | - Grégory Da Costa
- Université Paris-Saclay, INRAE, AgroParisTech, Micalis Institute, 78350 Jouy-en-Josas, France; Paris Center for Microbiome Medicine (PaCeMM) FHU, Paris, France
| | - Sothea Touch
- Sorbonne Université, INSERM, Centre de Recherche Saint-Antoine, CRSA, AP-HP, Saint-Antoine Hospital, Gastroenterology Department, 75012 Paris, France; Paris Center for Microbiome Medicine (PaCeMM) FHU, Paris, France
| | - Camille Mayeur
- Université Paris-Saclay, INRAE, AgroParisTech, Micalis Institute, 78350 Jouy-en-Josas, France; Paris Center for Microbiome Medicine (PaCeMM) FHU, Paris, France
| | - Julien Planchais
- Université Paris-Saclay, INRAE, AgroParisTech, Micalis Institute, 78350 Jouy-en-Josas, France; Paris Center for Microbiome Medicine (PaCeMM) FHU, Paris, France
| | - Allison Agus
- Université Paris-Saclay, INRAE, AgroParisTech, Micalis Institute, 78350 Jouy-en-Josas, France; Paris Center for Microbiome Medicine (PaCeMM) FHU, Paris, France
| | - Camille Danne
- Université Paris-Saclay, INRAE, AgroParisTech, Micalis Institute, 78350 Jouy-en-Josas, France; Paris Center for Microbiome Medicine (PaCeMM) FHU, Paris, France
| | - Chloé Michaudel
- Université Paris-Saclay, INRAE, AgroParisTech, Micalis Institute, 78350 Jouy-en-Josas, France; Paris Center for Microbiome Medicine (PaCeMM) FHU, Paris, France
| | - Madeleine Spatz
- Université Paris-Saclay, INRAE, AgroParisTech, Micalis Institute, 78350 Jouy-en-Josas, France; Paris Center for Microbiome Medicine (PaCeMM) FHU, Paris, France
| | - François Trottein
- Centre d'Infection et d'Immunité de Lille, INSERM U1019, CNRS UMR 9017, University of Lille, CHU Lille, Institut Pasteur de Lille, 59000 Lille, France
| | - Philippe Langella
- Université Paris-Saclay, INRAE, AgroParisTech, Micalis Institute, 78350 Jouy-en-Josas, France; Paris Center for Microbiome Medicine (PaCeMM) FHU, Paris, France
| | - Harry Sokol
- Université Paris-Saclay, INRAE, AgroParisTech, Micalis Institute, 78350 Jouy-en-Josas, France; Sorbonne Université, INSERM, Centre de Recherche Saint-Antoine, CRSA, AP-HP, Saint-Antoine Hospital, Gastroenterology Department, 75012 Paris, France; Paris Center for Microbiome Medicine (PaCeMM) FHU, Paris, France
| | - Marie-Laure Michel
- Université Paris-Saclay, INRAE, AgroParisTech, Micalis Institute, 78350 Jouy-en-Josas, France; Paris Center for Microbiome Medicine (PaCeMM) FHU, Paris, France.
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8
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Abstract
Metabolic disorders represent a growing worldwide health challenge due to their dramatically increasing prevalence. The gut microbiota is a crucial actor that can interact with the host by the production of a diverse reservoir of metabolites, from exogenous dietary substrates or endogenous host compounds. Metabolic disorders are associated with alterations in the composition and function of the gut microbiota. Specific classes of microbiota-derived metabolites, notably bile acids, short-chain fatty acids, branched-chain amino acids, trimethylamine N-oxide, tryptophan and indole derivatives, have been implicated in the pathogenesis of metabolic disorders. This review aims to define the key classes of microbiota-derived metabolites that are altered in metabolic diseases and their role in pathogenesis. They represent potential biomarkers for early diagnosis and prognosis as well as promising targets for the development of novel therapeutic tools for metabolic disorders.
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Affiliation(s)
- Allison Agus
- University Paris-Saclay, INRAE, AgroParisTech, Micalis Institute, Jouy-en-Josas, Île-de-France, France,Paris Center for Microbiome Medicine (PaCeMM) FHU, AP-HP, Paris, Île-de-France, France
| | - Karine Clément
- Paris Center for Microbiome Medicine (PaCeMM) FHU, AP-HP, Paris, Île-de-France, France,Nutrition and Obesity: systemic approach (NutriOmics) research unit, Assistance Publique Hôpitaux de Paris, Pitié-Salpêtrière Hospital, Sorbonne Universités, INSERM, Paris, Île-de-France, France
| | - Harry Sokol
- Paris Center for Microbiome Medicine (PaCeMM) FHU, AP-HP, Paris, Île-de-France, France .,Centre de Recherche Saint-Antoine, CRSA, AP-HP, Saint Antoine Hospital, Gastroenterology department, Sorbonne Universite, INSERM, Paris, Île-de-France, France
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9
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Sevrin G, Massier S, Chassaing B, Agus A, Delmas J, Denizot J, Billard E, Barnich N. Adaptation of adherent-invasive E. coli to gut environment: Impact on flagellum expression and bacterial colonization ability. Gut Microbes 2020; 11:364-380. [PMID: 29494278 PMCID: PMC7524368 DOI: 10.1080/19490976.2017.1421886] [Citation(s) in RCA: 41] [Impact Index Per Article: 10.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/03/2023] Open
Abstract
The pathogenesis of Crohn's disease (CD) is multifactorial and involves genetic susceptibility, environmental triggers and intestinal microbiota. Adherent-invasive Escherichia coli (AIEC) are flagellated bacteria more prevalent in CD patients than in healthy subjects and promote chronic intestinal inflammation. We aim at deciphering the role of flagella and flagellin modulation by intestinal conditions. AIEC flagellum expression is required for optimal adhesion to and invasion of intestinal epithelial cells. Interestingly, differential flagellin regulation was observed between commensal E. coli (HS) and AIEC (LF82) strains: flagellum expression by AIEC bacteria, in contrast to that of commensal E. coli, is enhanced under intestinal conditions (the presence of bile acids and mucins). Flagella are involved in the ability of the AIEC LF82 strain to cross a mucus layer in vitro and in vivo, conferring a selective advantage in penetrating the mucus layer and reaching the epithelial surface. In a CEABAC10 mouse model, a non-motile mutant (LF82-ΔfliC) exhibits reduced colonization that is restored by a dextran sodium sulfate treatment that alters mucus layer integrity. Moreover, a mutant that continuously secretes flagellin (LF82-ΔflgM) triggers a stronger inflammatory response than the wild-type strain, and the mutant's ability to colonize the CEABAC10 mouse model is decreased. Overexpression of flagellin in bacteria in contact with epithelial cells can be detrimental to their virulence by inducing acute inflammation that enhances AIEC clearance. AIEC pathobionts must finely modulate flagellum expression during the infection process, taking advantage of their specific virulence gene regulation to improve their adaptability and flexibility within the gut environment.
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Affiliation(s)
- Gwladys Sevrin
- Université Clermont Auvergne, Inserm U1071, USC-INRA 2018, M2iSH, CRNH Auvergne, F-63000Clermont-Ferrand, France
| | - Sébastien Massier
- Université Clermont Auvergne, Inserm U1071, USC-INRA 2018, M2iSH, CRNH Auvergne, F-63000Clermont-Ferrand, France
| | - Benoit Chassaing
- Neuroscience Institute & Institute for Biomedical Sciences, Georgia State University, Atlanta, USA
| | - Allison Agus
- Université Clermont Auvergne, Inserm U1071, USC-INRA 2018, M2iSH, CRNH Auvergne, F-63000Clermont-Ferrand, France
| | - Julien Delmas
- Université Clermont Auvergne, Inserm U1071, USC-INRA 2018, M2iSH, CRNH Auvergne, F-63000Clermont-Ferrand, France,Service de Bactériologie, Parasitologie Mycologie, CHU Clermont-Ferrand, Clermont-Ferrand, France
| | - Jérémy Denizot
- Université Clermont Auvergne, Inserm U1071, USC-INRA 2018, M2iSH, CRNH Auvergne, F-63000Clermont-Ferrand, France,Université Clermont Auvergne, Institut Universitaire de Technologie de Clermont-Ferrand, Clermont-Ferrand, France
| | - Elisabeth Billard
- Université Clermont Auvergne, Inserm U1071, USC-INRA 2018, M2iSH, CRNH Auvergne, F-63000Clermont-Ferrand, France,Université Clermont Auvergne, Institut Universitaire de Technologie de Clermont-Ferrand, Clermont-Ferrand, France
| | - Nicolas Barnich
- Université Clermont Auvergne, Inserm U1071, USC-INRA 2018, M2iSH, CRNH Auvergne, F-63000Clermont-Ferrand, France,Université Clermont Auvergne, Institut Universitaire de Technologie de Clermont-Ferrand, Clermont-Ferrand, France,CONTACT Nicolas Barnich M2iSH, Inserm, Université Clermont Auvergne, USC-INRA 2018, 28 place Henri Dunant, 63001Clermont-Ferrand, France
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10
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Agus A, Sokol H. [Tryptophan and metabolic syndrome, a new challenge for health]. Med Sci (Paris) 2019; 35:213-215. [PMID: 30931904 DOI: 10.1051/medsci/2019040] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
Affiliation(s)
- Allison Agus
- Institut Micalis, INRA, AgroParisTech, Université Paris-Saclay, Domaine de Vilvert, 78352 Jouy-en-Josas, France
| | - Harry Sokol
- Institut Micalis, INRA, AgroParisTech, Université Paris-Saclay, Domaine de Vilvert, 78352 Jouy-en-Josas, France. - Sorbonne Université, Inserm, Centre de Recherche Saint-Antoine, CRSA, AP-HP, Hôpital Saint-Antoine, Service de Gastroentérologie, F-75012 Paris, France
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11
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Sovran B, Planchais J, Jegou S, Straube M, Lamas B, Natividad JM, Agus A, Dupraz L, Glodt J, Da Costa G, Michel ML, Langella P, Richard ML, Sokol H. Enterobacteriaceae are essential for the modulation of colitis severity by fungi. Microbiome 2018; 6:152. [PMID: 30172257 PMCID: PMC6119584 DOI: 10.1186/s40168-018-0538-9] [Citation(s) in RCA: 94] [Impact Index Per Article: 15.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/22/2018] [Accepted: 08/24/2018] [Indexed: 05/02/2023]
Abstract
BACKGROUND Host-microbe balance maintains intestinal homeostasis and strongly influences inflammatory conditions such as inflammatory bowel diseases (IBD). Here we focused on bacteria-fungi interactions and their implications on intestinal inflammation, a poorly understood area. METHODS Dextran sodium sulfate (DSS)-induced colitis was assessed in mice treated with vancomycin (targeting gram-positive bacteria) or colistin (targeting Enterobacteriaceae) and supplemented with either Saccharomyces boulardii CNCM I-745 or Candida albicans. Inflammation severity as well as bacterial and fungal microbiota compositions was monitored. RESULTS While S. boulardii improved DSS-induced colitis and C. albicans worsened it in untreated settings, antibiotic treatment strongly modified DSS susceptibility and effects of fungi on colitis. Vancomycin-treated mice were fully protected from colitis, while colistin-treated mice retained colitis phenotype but were not affected anymore by administration of fungi. Antibacterial treatments not only influenced bacterial populations but also had indirect effects on fungal microbiota. Correlations between bacterial and fungal relative abundance were dramatically decreased in colistin-treated mice compared to vancomycin-treated and control mice, suggesting that colistin-sensitive bacteria are involved in interactions with fungi. Restoration of the Enterobacteriaceae population by administrating colistin-resistant Escherichia coli reestablished both beneficial effects of S. boulardii and pathogenic effects of C. albicans on colitis severity. This effect was at least partly mediated by an improved gut colonization by fungi. CONCLUSIONS Fungal colonization of the gut is affected by the Enterobacteriaceae population, indirectly modifying effects of mycobiome on the host. This finding provides new insights into the role of inter-kingdom functional interactions in intestinal physiopathology and potentially in IBD.
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Affiliation(s)
- Bruno Sovran
- Micalis Institute, INRA, AgroParisTech, Université Paris-Saclay, Domaine de Vilvert, Jouy-en-Josas, France
| | - Julien Planchais
- Micalis Institute, INRA, AgroParisTech, Université Paris-Saclay, Domaine de Vilvert, Jouy-en-Josas, France
| | - Sarah Jegou
- Sorbonne Universités, École Normale Supérieure, CNRS, INSERM, APHP Laboratoire des Biomolécules (LBM), 27 rue de Chaligny, Paris, France
- Department of Gastroenterology, Saint Antoine Hospital, 184 rue du Faubourg Saint-Antoine, Paris, France
| | - Marjolene Straube
- Sorbonne Universités, École Normale Supérieure, CNRS, INSERM, APHP Laboratoire des Biomolécules (LBM), 27 rue de Chaligny, Paris, France
- Department of Gastroenterology, Saint Antoine Hospital, 184 rue du Faubourg Saint-Antoine, Paris, France
| | - Bruno Lamas
- Micalis Institute, INRA, AgroParisTech, Université Paris-Saclay, Domaine de Vilvert, Jouy-en-Josas, France
| | - Jane Mea Natividad
- Micalis Institute, INRA, AgroParisTech, Université Paris-Saclay, Domaine de Vilvert, Jouy-en-Josas, France
| | - Allison Agus
- Micalis Institute, INRA, AgroParisTech, Université Paris-Saclay, Domaine de Vilvert, Jouy-en-Josas, France
| | - Louise Dupraz
- Micalis Institute, INRA, AgroParisTech, Université Paris-Saclay, Domaine de Vilvert, Jouy-en-Josas, France
| | - Jérémy Glodt
- Micalis Institute, INRA, AgroParisTech, Université Paris-Saclay, Domaine de Vilvert, Jouy-en-Josas, France
| | - Grégory Da Costa
- Micalis Institute, INRA, AgroParisTech, Université Paris-Saclay, Domaine de Vilvert, Jouy-en-Josas, France
| | - Marie-Laure Michel
- Micalis Institute, INRA, AgroParisTech, Université Paris-Saclay, Domaine de Vilvert, Jouy-en-Josas, France
| | - Philippe Langella
- Micalis Institute, INRA, AgroParisTech, Université Paris-Saclay, Domaine de Vilvert, Jouy-en-Josas, France
| | - Mathias L. Richard
- Micalis Institute, INRA, AgroParisTech, Université Paris-Saclay, Domaine de Vilvert, Jouy-en-Josas, France
| | - Harry Sokol
- Micalis Institute, INRA, AgroParisTech, Université Paris-Saclay, Domaine de Vilvert, Jouy-en-Josas, France
- Sorbonne Universités, École Normale Supérieure, CNRS, INSERM, APHP Laboratoire des Biomolécules (LBM), 27 rue de Chaligny, Paris, France
- Department of Gastroenterology, Saint Antoine Hospital, 184 rue du Faubourg Saint-Antoine, Paris, France
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12
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Agus A, Hulme C, Verghis RM, McDowell C, Jackson C, O'Kane CM, Laffey JG, McAuley DF. Simvastatin for patients with acute respiratory distress syndrome: long-term outcomes and cost-effectiveness from a randomised controlled trial. Crit Care 2017; 21:108. [PMID: 28511660 PMCID: PMC5434552 DOI: 10.1186/s13054-017-1695-0] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/19/2017] [Accepted: 05/02/2017] [Indexed: 11/17/2022] Open
Abstract
Background Simvastatin therapy for patients with acute respiratory distress syndrome (ARDS) has been shown to be safe and associated with minimal adverse effects, but it does not improve clinical outcomes. The aim of this research was to report on mortality and cost-effectiveness of simvastatin in patients with ARDS at 12 months. Methods This was a cost-utility analysis alongside a multicentre, double-blind, randomised controlled trial carried out in the UK and Ireland. Five hundred and forty intubated and mechanically ventilated patients with ARDS were randomly assigned (1:1) to receive once-daily simvastatin (at a dose of 80 mg) or identical placebo tablets enterally for up to 28 days. Results Mortality was lower in the simvastatin group (31.8%, 95% confidence interval (CI) 26.1–37.5) compared to the placebo group (37.3%, 95% CI 31.6–43.0) at 12 months, although this was not significant. Simvastatin was associated with statistically significant quality-adjusted life year (QALY) gain (incremental QALYs 0.064, 95% CI 0.002–0.127) compared to placebo. Simvastatin was also less costly (incremental total costs –£3601, 95% CI –8061 to 859). At a willingness-to-pay threshold of £20,000 per QALY, the probability of simvastatin being cost-effective was 99%. Sensitivity analyses indicated that the results were robust to changes in methodological assumptions with the probability of cost-effectiveness never dropping below 90%. Conclusion Simvastatin was found to be cost-effective for the treatment of ARDS, being associated with both a significant QALY gain and a cost saving. There was no significant reduction in mortality at 12 months, Trial registration ISRCTN, 88244364. Registered 26 November 2010. Electronic supplementary material The online version of this article (doi:10.1186/s13054-017-1695-0) contains supplementary material, which is available to authorized users.
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Affiliation(s)
- A Agus
- Northern Ireland Clinical Trials Unit, Elliot Dynes Building, The Royal Hospitals, Grosvenor Road, Belfast, BT12 6BA, UK.
| | - C Hulme
- Academic Unit of Health Economics, University of Leeds, Charles Thackrah Building, Clarendon Road, Leeds, LS2 9LJ, UK
| | - R M Verghis
- Northern Ireland Clinical Trials Unit, Elliot Dynes Building, The Royal Hospitals, Grosvenor Road, Belfast, BT12 6BA, UK.,Centre for Infection and Immunity, Queen's University of Belfast, Belfast, BT9 7AE, UK
| | - C McDowell
- Northern Ireland Clinical Trials Unit, Elliot Dynes Building, The Royal Hospitals, Grosvenor Road, Belfast, BT12 6BA, UK
| | - C Jackson
- Northern Ireland Clinical Trials Unit, Elliot Dynes Building, The Royal Hospitals, Grosvenor Road, Belfast, BT12 6BA, UK
| | - C M O'Kane
- Centre for Infection and Immunity, Queen's University of Belfast, Belfast, BT9 7AE, UK
| | - J G Laffey
- Department of Anaesthesia, School of Medicine, HRB Galway Clinical Research Facility, Clinical Sciences Institute, National University of Ireland, Galway, Ireland.,Department of Anesthesia, Centre for Critical Care Research, Keenan Research Centre for Biomedical Science, St. Michael's Hospital, University of Toronto, Toronto, Canada
| | - D F McAuley
- Northern Ireland Clinical Trials Unit, Elliot Dynes Building, The Royal Hospitals, Grosvenor Road, Belfast, BT12 6BA, UK.,Centre for Infection and Immunity, Queen's University of Belfast, Belfast, BT9 7AE, UK.,Regional Intensive Care Unit, The Royal Hospitals, Grosvenor Road, Belfast, BT12 6BA, UK
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13
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Gagnière J, Bonnin V, Jarrousse AS, Cardamone E, Agus A, Uhrhammer N, Sauvanet P, Déchelotte P, Barnich N, Bonnet R, Pezet D, Bonnet M. Interactions between microsatellite instability and human gut colonization by Escherichia coli in colorectal cancer. Clin Sci (Lond) 2017; 131:471-485. [PMID: 28093453 DOI: 10.1042/cs20160876] [Citation(s) in RCA: 31] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 08/29/2023]
Abstract
Recent studies suggest that colonization of colonic mucosa by pathogenic Escherichia coli could be involved in the development of colorectal cancer (CRC), especially through the production of genotoxins such as colibactin and/or by interfering with the DNA mismatch repair (MMR) pathway that leads to microsatellite instability (MSI). The present study, performed on 88 CRC patients, revealed a significant increase in E. coli colonization in the MSI CRC phenotype. In the same way, E. coli persistence and internalization were increased in vitro in MMR-deficient cells. Moreover, we demonstrated that colibactin-producing E. coli induce inhibition of the mutL homologue 1 (MLH1) MMR proteins, which could lead to genomic instability. However, colibactin-producing E. coli were more frequently identified in microsatellite stable (MSS) CRC. The present study suggests differences in the involvement of colibactin-producing E. coli in colorectal carcinogenesis according to the CRC phenotype. Further host–pathogen interactions studies should take into account CRC phenotypes.
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Affiliation(s)
- Johan Gagnière
- UMR 1071 Inserm/Université Clermont Auvergne, 63000 Clermont-Ferrand, France
- INRA USC-2018, 63000 Clermont-Ferrand, France
- Department of Digestive Surgery, CHU Clermont-Ferrand, 63000 Clermont-Ferrand, France
| | - Virginie Bonnin
- UMR 1071 Inserm/Université Clermont Auvergne, 63000 Clermont-Ferrand, France
- INRA USC-2018, 63000 Clermont-Ferrand, France
| | | | - Emilie Cardamone
- UMR 1071 Inserm/Université Clermont Auvergne, 63000 Clermont-Ferrand, France
- INRA USC-2018, 63000 Clermont-Ferrand, France
| | - Allison Agus
- UMR 1071 Inserm/Université Clermont Auvergne, 63000 Clermont-Ferrand, France
- INRA USC-2018, 63000 Clermont-Ferrand, France
- Department of Oncogenetic, Centre Jean Perrin, 63000 Clermont-Ferrand, France
| | - Nancy Uhrhammer
- Department of Oncogenetic, Centre Jean Perrin, 63000 Clermont-Ferrand, France
| | - Pierre Sauvanet
- UMR 1071 Inserm/Université Clermont Auvergne, 63000 Clermont-Ferrand, France
- INRA USC-2018, 63000 Clermont-Ferrand, France
- Department of Digestive Surgery, CHU Clermont-Ferrand, 63000 Clermont-Ferrand, France
| | - Pierre Déchelotte
- Department of Pathology, CHU Clermont-Ferrand, 63000 Clermont-Ferrand, France
| | - Nicolas Barnich
- UMR 1071 Inserm/Université Clermont Auvergne, 63000 Clermont-Ferrand, France
- INRA USC-2018, 63000 Clermont-Ferrand, France
| | - Richard Bonnet
- UMR 1071 Inserm/Université Clermont Auvergne, 63000 Clermont-Ferrand, France
- INRA USC-2018, 63000 Clermont-Ferrand, France
- Department of Bacteriology, CHU Clermont-Ferrand, 63000 Clermont-Ferrand, France
| | - Denis Pezet
- UMR 1071 Inserm/Université Clermont Auvergne, 63000 Clermont-Ferrand, France
- INRA USC-2018, 63000 Clermont-Ferrand, France
- Department of Digestive Surgery, CHU Clermont-Ferrand, 63000 Clermont-Ferrand, France
| | - Mathilde Bonnet
- UMR 1071 Inserm/Université Clermont Auvergne, 63000 Clermont-Ferrand, France
- INRA USC-2018, 63000 Clermont-Ferrand, France
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Agus A, Denizot J, Thévenot J, Martinez-Medina M, Massier S, Sauvanet P, Bernalier-Donadille A, Denis S, Hofman P, Bonnet R, Billard E, Barnich N. Western diet induces a shift in microbiota composition enhancing susceptibility to Adherent-Invasive E. coli infection and intestinal inflammation. Sci Rep 2016; 6:19032. [PMID: 26742586 PMCID: PMC4705701 DOI: 10.1038/srep19032] [Citation(s) in RCA: 277] [Impact Index Per Article: 34.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/30/2015] [Accepted: 12/02/2015] [Indexed: 12/15/2022] Open
Abstract
Recent advances have shown that the abnormal inflammatory response observed in CD involves an interplay among intestinal microbiota, host genetics and environmental factors. The escalating consumption of fat and sugar in Western countries parallels an increased incidence of CD during the latter 20th century. The impact of a HF/HS diet in mice was evaluated for the gut micro-inflammation, intestinal microbiota composition, function and selection of an E. coli population. The HF/HS diet created a specific inflammatory environment in the gut, correlated with intestinal mucosa dysbiosis characterized by an overgrowth of pro-inflammatory Proteobacteria such as E. coli, a decrease in protective bacteria, and a significantly decreased of SCFA concentrations. The expression of GPR43, a SCFA receptor was reduced in mice treated with a HF/HS diet and reduced in CD patients compared with controls. Interestingly, mice treated with an agonist of GPR43 were protected against DSS-induced colitis. Finally, the transplantation of feces from HF/HS treated mice to GF mice increased susceptibility to AIEC infection. Together, our results demonstrate that a Western diet could aggravate the inflammatory process and that the activation of the GPR43 receptor pathway could be used as a new strategy to treat CD patients.
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Affiliation(s)
- Allison Agus
- Clermont Université, M2iSH, UMR 1071 INSERM/Université d'Auvergne, Unité Sous Contrat 2018 Institut National de la Recherche Agronomique, Clermont-Ferrand, France
| | - Jérémy Denizot
- Clermont Université, M2iSH, UMR 1071 INSERM/Université d'Auvergne, Unité Sous Contrat 2018 Institut National de la Recherche Agronomique, Clermont-Ferrand, France
| | - Jonathan Thévenot
- Clermont Université, M2iSH, UMR 1071 INSERM/Université d'Auvergne, Unité Sous Contrat 2018 Institut National de la Recherche Agronomique, Clermont-Ferrand, France.,Clermont Université, Université d'Auvergne, Centre de Recherche en Nutrition Humaine Auvergne, EA 4678 CIDAM, Conception Ingénierie et Développement de l'Aliment et du Médicament, Clermont-Ferrand, France
| | - Margarita Martinez-Medina
- Clermont Université, M2iSH, UMR 1071 INSERM/Université d'Auvergne, Unité Sous Contrat 2018 Institut National de la Recherche Agronomique, Clermont-Ferrand, France
| | - Sébastien Massier
- Clermont Université, M2iSH, UMR 1071 INSERM/Université d'Auvergne, Unité Sous Contrat 2018 Institut National de la Recherche Agronomique, Clermont-Ferrand, France
| | - Pierre Sauvanet
- Clermont Université, M2iSH, UMR 1071 INSERM/Université d'Auvergne, Unité Sous Contrat 2018 Institut National de la Recherche Agronomique, Clermont-Ferrand, France.,Digestive Surgery Department, Centre Hospitalier Universitaire, Clermont-Ferrand 63000, France
| | - Annick Bernalier-Donadille
- UR454 Microbiology Division, INRA, Research Centre of Clermont-Ferrand-Theix, 63122 Saint Genès-Champanelle, France
| | - Sylvain Denis
- Clermont Université, Université d'Auvergne, Centre de Recherche en Nutrition Humaine Auvergne, EA 4678 CIDAM, Conception Ingénierie et Développement de l'Aliment et du Médicament, Clermont-Ferrand, France
| | - Paul Hofman
- Laboratory of Clinical and Experimental Pathology and Hospital-Related Biobank (BB 0033-00025), Pasteur Hospital, and IRCAN CNRS UMR 7284, Inserm U1081, Nice Sophia Antipolis University, France
| | - Richard Bonnet
- Clermont Université, M2iSH, UMR 1071 INSERM/Université d'Auvergne, Unité Sous Contrat 2018 Institut National de la Recherche Agronomique, Clermont-Ferrand, France.,Bacteriology Department, Centre Hospitalier Universitaire, Clermont-Ferrand 63000, France
| | - Elisabeth Billard
- Clermont Université, M2iSH, UMR 1071 INSERM/Université d'Auvergne, Unité Sous Contrat 2018 Institut National de la Recherche Agronomique, Clermont-Ferrand, France.,Institut Universitaire de Technologie, Génie Biologique, Aubière, France
| | - Nicolas Barnich
- Clermont Université, M2iSH, UMR 1071 INSERM/Université d'Auvergne, Unité Sous Contrat 2018 Institut National de la Recherche Agronomique, Clermont-Ferrand, France.,Institut Universitaire de Technologie, Génie Biologique, Aubière, France
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Denizot J, Desrichard A, Agus A, Uhrhammer N, Dreux N, Vouret-Craviari V, Hofman P, Darfeuille-Michaud A, Barnich N. Diet-induced hypoxia responsive element demethylation increases CEACAM6 expression, favouring Crohn's disease-associated Escherichia coli colonisation. Gut 2015; 64:428-37. [PMID: 24898815 DOI: 10.1136/gutjnl-2014-306944] [Citation(s) in RCA: 30] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
OBJECTIVE Adherent-invasive Escherichia coli (AIEC) are abnormally predominant on Crohn's disease (CD) ileal mucosa. AIEC strains adhere to enterocytes via interaction between type 1 pili and CEACAM6 receptors abnormally expressed on CD ileal mucosa, leading to gut inflammation. We analysed whether epigenetic mechanisms are involved in the upregulation of CEACAM6 expression in intestinal epithelial cells (IECs). DESIGN Methylation of CEACAM6 promoter was analysed using bisulfite sequencing and site-specific methylation by SnapShot. pCpGfree reporter system was used to analyse CEACAM6 promoter activity. Transgenic mice expressing human CEACAM6 fed either standard food or a low-methyl diet (LMD) were orally challenged with 10(9) AIEC LF82. After 3 days, gut-associated AIEC and proinflammatory cytokines were quantified. RESULTS Analysis of CEACAM6 gene promoter revealed potentially methylated dinucleotide CpGs within HIF-1-responsive elements (HREs). Methylation levels of CpG within CEACAM6 promoter were inversely correlated with CEACAM6 expression in IEC expressing various levels of CEACAM6. We show the critical role of HRE methylation and transcription factor HIF-1 in the regulation of CEACAM6 gene in IEC. This was confirmed in transgenic mice expressing human CEACAM6 fed a LMD. LMD-dependent HRE demethylation led to abnormal gut expression of CEACAM6, favouring AIEC colonisation and subsequent inflammation. CONCLUSIONS HRE hypomethylation in CEACAM6 promoter correlates with high expression in IEC. Our findings suggest that abnormal DNA methylation leading to CEACAM6 increased expression and AIEC-mediated gut inflammation can be related to changes in nutritional habits, such as low intake in methyl donor molecules, leading to abnormal epigenetic marks in mouse model mimicking CD susceptibility.
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Affiliation(s)
- Jérémy Denizot
- Clermont Université, M2iSH, UMR 1071 INSERM/Université d'Auvergne, Clermont-Ferrand, France Unité Sous Contrat 2018 Institut National de la Recherche Agronomique, Clermont-Ferrand, France
| | - Alexis Desrichard
- Departments of Oncogenetics and Breast Oncology, Centre Jean Perrin, Clermont-Ferrand, France
| | - Allison Agus
- Clermont Université, M2iSH, UMR 1071 INSERM/Université d'Auvergne, Clermont-Ferrand, France Unité Sous Contrat 2018 Institut National de la Recherche Agronomique, Clermont-Ferrand, France
| | - Nancy Uhrhammer
- Departments of Oncogenetics and Breast Oncology, Centre Jean Perrin, Clermont-Ferrand, France
| | - Nicolas Dreux
- Clermont Université, M2iSH, UMR 1071 INSERM/Université d'Auvergne, Clermont-Ferrand, France Unité Sous Contrat 2018 Institut National de la Recherche Agronomique, Clermont-Ferrand, France
| | - Valérie Vouret-Craviari
- Institute for Research on Cancer and aging (IRCAN), Nice, France University of Nice-Sophia Antipolis, Nice, France
| | - Paul Hofman
- Institute for Research on Cancer and aging (IRCAN), Nice, France University of Nice-Sophia Antipolis, Nice, France Laboratory of Clinical and Experimental Pathology and Human Biobank, Pasteur Hospital, Nice, France
| | - Arlette Darfeuille-Michaud
- Clermont Université, M2iSH, UMR 1071 INSERM/Université d'Auvergne, Clermont-Ferrand, France Unité Sous Contrat 2018 Institut National de la Recherche Agronomique, Clermont-Ferrand, France Institut Universitaire de Technologie, Génie Biologique, Aubière, France Centre Hospitalier Universitaire Clermont-Ferrand, France
| | - Nicolas Barnich
- Clermont Université, M2iSH, UMR 1071 INSERM/Université d'Auvergne, Clermont-Ferrand, France Unité Sous Contrat 2018 Institut National de la Recherche Agronomique, Clermont-Ferrand, France Institut Universitaire de Technologie, Génie Biologique, Aubière, France
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Suharyono S, Sutanto H, Purwanti Y, Martanti M, Agus A, Ristianto U. The Effect of Urea Molasses Multi-Nutrient and Medicated Block for Beef Cattle, Beef and Dairy Cow. Atom Indo 2014. [DOI: 10.17146/aij.2014.274] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022] Open
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17
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Mckavanagh P, Lusk L, Ball PA, Trinick T, Duly E, Walls G, Verghis R, Agus A, Harbinson M, Donnelly PM. The 1 year clinical results of the CAPP study. Eur Heart J 2013. [DOI: 10.1093/eurheartj/eht308.1621] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
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18
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Noviandi C, Razzazi E, Agus A, Böhm J, Hulan H, Wedhastri S, Maryudhani Y, Nuryono, Sardjono, Leibetseder J. Natural occurrence of aflatoxin B1 in some Indonesian food and feed products in Yogyakarta in year 1998-1999. Mycotoxin Res 2013; 17 Suppl 2:174-7. [PMID: 23605866 DOI: 10.1007/bf03036430] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
Abstract
A survey was conducted between 1998-1999 to evaluate the level of aflatoxin B1 (AfB1) contamination in some selected Indonesian food products, mainly peanuts and peanut products for sale in supermarkets or traditional markets in Yogyakarta, Indonesia. Quantitative analysis was carried out on 118 samples using the ELISA (Enzyme-Linked Immunosorbent Assay) technique. The results indicate that (61.1%) samples were contaminated with AfB1 at range 2.0 to 249.0 μg/kg. Approximately 50% of the baby food products analysed were contaminated with AfB1 and the maximum level found was 7.0 μg/kg. In corn products and fermented products, AfB1 was detected in 66.7 and 50.0% of samples, respectively. A level as high as 5.6 μg/kg of AfB1 was found in the corn and 6.0 μg/kg in fermented product. AfB1 was also detected in all rice products, feed products, and other processed products at levels of up to 7.0, 27.0, and 26.0 μg/kg, respectively.
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Affiliation(s)
- C Noviandi
- Unit of Mycotoxicology, Life Sciences Laboratory, Gadjah Mada University, 55281, Yogyakarta, Indonesia
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Chagnot C, Agus A, Renier S, Peyrin F, Talon R, Astruc T, Desvaux M. In vitro colonization of the muscle extracellular matrix components by Escherichia coli O157:H7: the influence of growth medium, temperature and pH on initial adhesion and induction of biofilm formation by collagens I and III. PLoS One 2013; 8:e59386. [PMID: 23516631 PMCID: PMC3596346 DOI: 10.1371/journal.pone.0059386] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/14/2012] [Accepted: 02/14/2013] [Indexed: 11/18/2022] Open
Abstract
Enterohemorrhagic Escherichia coli (EHEC) O157:H7 are responsible for repeated food-poisoning cases often caused by contaminated burgers. EHEC infection is predominantly a pediatric illness, which can lead to life-threatening diseases. Ruminants are the main natural reservoir for EHEC and food contamination almost always originates from faecal contamination. In beef meat products, primary bacterial contamination occurs at the dehiding stage of slaughtering. The extracellular matrix (ECM) is the most exposed part of the skeletal muscles in beef carcasses. Investigating the adhesion to the main muscle fibrous ECM proteins, insoluble fibronectin, collagen I, III and IV, laminin-α2 and elastin, results demonstrated that the preceding growth conditions had a great influence on subsequent bacterial attachment. In the tested experimental conditions, maximal adhesion to fibril-forming collagens I or III occurred at 25°C and pH 7. Once initially adhered, exposure to lower temperatures, as applied to meat during cutting and storage, or acidification, as in the course of post-mortem physiological modifications of muscle, had no effect on detachment, except at pHu. In addition, dense biofilm formation occurred on immobilized collagen I or III and was induced in growth medium supplemented with collagen I in solution. From this first comprehensive investigation of EHEC adhesion to ECM proteins with respect to muscle biology and meat processing, new research directions for the development of innovative practices to minimize the risk of meat contamination are further discussed.
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Affiliation(s)
- Caroline Chagnot
- INRA, UR454 Microbiologie, Clermont-Ferrand, France
- INRA, UR370 Qualité des Produits Animaux, Clermont-Ferrand, France
| | - Allison Agus
- INRA, UR454 Microbiologie, Clermont-Ferrand, France
| | | | - Frédéric Peyrin
- INRA, UR370 Qualité des Produits Animaux, Clermont-Ferrand, France
| | - Régine Talon
- INRA, UR454 Microbiologie, Clermont-Ferrand, France
| | - Thierry Astruc
- INRA, UR370 Qualité des Produits Animaux, Clermont-Ferrand, France
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P. WB, Budhi SPS, Agus A, Santosa B. Effect of Rumen Undegraded Protein Level on Nutrient Digestibility and Rumen Fermentation Parameters of Dairy Cow. BuletinPeternak 2012. [DOI: 10.21059/buletinpeternak.v26i4.1448] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022] Open
Abstract
Artikel dalam bentuk PDF
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Supurwaningdyah E, Utomo R, Agus A. Konsumsi, Aktivitas Ruminasi dan Kecernaan In Vivo Silase Rumput Raja dengan Penambahan Aditif Biomikro. BuletinPeternak 2012. [DOI: 10.21059/buletinpeternak.v26i4.1449] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022] Open
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22
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Agus A, Utomo R, (Ismaya) I, Wardhani NK, Musofie A. Konsumsi Nutrien dan Beberapa Parameter Reproduksi Sapi Peranakan Ongole pada Pakan Basal Jerami Padi Fermentasi yang Disuplementasi Konsentrat dan Injeksi Subkutan Vitamin A. BuletinPeternak 2012. [DOI: 10.21059/buletinpeternak.v24i4.1418] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022] Open
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23
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Agus A, Wantani JZ. Komposisi Kimia dan Kecernaan In Vitro Komponen Morfologi Beberapa Varietas Jerami Padi. BuletinPeternak 2012. [DOI: 10.21059/buletinpeternak.v31i4.1233] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022] Open
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24
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(Kustantinah) K, Hartadi H, Yusiati LM, Utomo R, Agus A, Suhartanto B, Holil F, Dahono E. The Effect of Protein Feed Supplementation to Various Roughage Basal Feed on The Performance of Bligon Goats. BuletinPeternak 2012. [DOI: 10.21059/buletinpeternak.v29i4.1184] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022] Open
Abstract
File lengkap ada dalam bentuk PDF dibawah ini
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McCusker S, McKavanagh P, Lusk L, Agus A, Ball P, Harbinson M, Trinnick T, Duly E, Walls G, Shevlin S, McQuillan CL, Alkhalil M, Donnelly P. 097 Calcium scores are more cost effective for risk stratification than NICE's modified diamond Forrester calculator: Abstract 097 Table 1. Heart 2012. [DOI: 10.1136/heartjnl-2012-301877b.97] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/04/2022]
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26
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Mukodiningsih S, Budhi S, Agus A, Haryadi H, Ohh SJ. Effect of Molasses Addition Level to the Mixture of Calf Starter and Corn Fodder on Pellet Quality, Rumen Development and Performance of Holstein-Friesian Calves in Indonesia. Journal of Animal Science and Technology 2010. [DOI: 10.5187/jast.2010.52.3.229] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
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Nuryono N, Agus A, Wedhastri S, Maryudani Y, Sigit Setyabudi F, Böhm J, Razzazi-Fazeli E. A limited survey of aflatoxin M1 in milk from Indonesia by ELISA. Food Control 2009. [DOI: 10.1016/j.foodcont.2008.09.005] [Citation(s) in RCA: 45] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
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28
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Origa R, Barella S, Argiolas GM, Bina P, Agus A, Galanello R. No evidence of cardiac iron in 20 never- or minimally-transfused patients with thalassemia intermedia. Haematologica 2008; 93:1095-6. [DOI: 10.3324/haematol.12484] [Citation(s) in RCA: 43] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022] Open
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29
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Affiliation(s)
- G M Calori
- Istituto Ortopedico G. Pini, Milan University, Milan, Italy.
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30
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Tanner MA, Galanello R, Dessi C, Smith GC, Westwood MA, Agus A, Roughton M, Assomull R, Nair SV, Walker JM, Pennell DJ. A randomized, placebo-controlled, double-blind trial of the effect of combined therapy with deferoxamine and deferiprone on myocardial iron in thalassemia major using cardiovascular magnetic resonance. Circulation 2007; 115:1876-84. [PMID: 17372174 DOI: 10.1161/circulationaha.106.648790] [Citation(s) in RCA: 345] [Impact Index Per Article: 20.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Abstract
BACKGROUND Cardiac complications secondary to iron overload are the leading cause of death in beta-thalassemia major. Approximately two thirds of patients maintained on the parenteral iron chelator deferoxamine have myocardial iron loading. The oral iron chelator deferiprone has been demonstrated to remove myocardial iron, and it has been proposed that in combination with deferoxamine it may have additional effect. METHODS AND RESULTS Myocardial iron loading was assessed with the use of myocardial T2* cardiovascular magnetic resonance in 167 patients with thalassemia major receiving standard maintenance chelation monotherapy with subcutaneous deferoxamine. Of these patients, 65 with mild to moderate myocardial iron loading (T2* 8 to 20 ms) entered the trial with continuation of subcutaneous deferoxamine and were randomized to receive additional oral placebo (deferoxamine group) or oral deferiprone 75 mg/kg per day (combined group). The primary end point was the change in myocardial T2* over 12 months. Secondary end points of endothelial function (flow-mediated dilatation of the brachial artery) and cardiac function were also measured with cardiovascular magnetic resonance. There were significant improvements in the combined treatment group compared with the deferoxamine group in myocardial T2* (ratio of change in geometric means 1.50 versus 1.24; P=0.02), absolute left ventricular ejection fraction (2.6% versus 0.6%; P=0.05), and absolute endothelial function (8.8% versus 3.3%; P=0.02). There was also a significantly greater improvement in serum ferritin in the combined group (-976 versus -233 microg/L; P<0.001). CONCLUSIONS In comparison to the standard chelation monotherapy of deferoxamine, combination treatment with additional deferiprone reduced myocardial iron and improved the ejection fraction and endothelial function in thalassemia major patients with mild to moderate cardiac iron loading.
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Affiliation(s)
- M A Tanner
- Cardiovascular Magnetic Resonance Unit, Royal Brompton Hospital, Sydney St, London SW3 6NP, UK
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Razzazi-Fazeli E, Noviandi CT, Porasuphatana S, Agus A, Böhm J. A survey of aflatoxin B1 and total aflatoxin contamination in baby food, peanut and corn products sold at retail in Indonesia analysed by ELISA and HPLC. Mycotoxin Res 2004; 20:51-8. [DOI: 10.1007/bf02946735] [Citation(s) in RCA: 22] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/08/2003] [Accepted: 11/11/2004] [Indexed: 11/30/2022]
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32
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Noviandi CT, Böhm J, Agus A, Wedhastri S, Maryudani YB, Razzazi-Fazeli E. Occurrence of fumonisins (B1, B 2, B 3) in maize-based food and feed samples from Indonesia. Mycotoxin Res 2004; 20:2-9. [PMID: 23604990 DOI: 10.1007/bf02946702] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/26/2003] [Accepted: 12/23/2003] [Indexed: 10/21/2022]
Abstract
A survey to evaluate the contamination level of total fumonisins in maize-based foodstuffs, maize and feed from Indonesia is described. The analyses were carried out by enzyme-linked immunosorbent assay (ELISA). Samples were collected from local retail stores around Yogyakarta, Indonesia between February and May 2001. The 101 samples were classified into six categories, i.e. industrially-produced food (n=24), products of small food manufacturers (n=17), maize flour (n=4), maize for food (n=9), maize for feed (n17), and formulated feed (n30). Control of the method showed that the detection limit was 8.7 µg/kg and repeatability is shown by relative standard deviation (RSD) of analyses of contaminated maize (n=5) of 10 %. Results of analyses indicate that 80 samples analysed were contaminated over a large range from 10.0-3307 pg/kg, and the concentration of fumonisins depended on the type of sample. Of four samples of maize flour, none were contaminated (below detection limit). Of 24 samples of industrially produced food, 14 were contaminated in the range 22.8 - 105 µg/kg and 18 of 19 food samples from small manufacturers were contaminated ranging from 12.9 to 234 µg/kg. The highest contamination was observed in maize samples: six of ten samples of maize for food were contaminated between 68.0 - 2471 µg/kg and 16 of 17 samples for feed contained fumonisins over a large range from 17.6 to 3306 µg/kg.
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Noviandi CT, Agus A, Wedhastri S, Maryudani YB, Böhm J, Razzazi E. A survey of fumonisins (B1, B2, B3) in Indonesian corn-based food and feed samples. Mycotoxin Res 2002; 18 Suppl 2:117-20. [PMID: 23606144 DOI: 10.1007/bf02946077] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
Abstract
In this paper a survey is described for determination of contamination level of fumonisins (B(1), B(2), B(3)) in Indonesian cornbased feed and food samples. The survey was conducted from February to May 2001. Foodstuffs, which are consumed directly such as snacks and other products, were investigated for fumonisin contamination. Of 105 food and feed samples purchased from local retail stores and local poultry shops around Yogyakarta, Java, Indonesia were analyzed using ELISA. Results indicate that 74.3% of samples analyzed were contaminated in a large range of 10.0 - 3307 μg/kg, and the concentration of fumonisins depends on the type of samples. Detection limit of the method used was 9 μg/kg.From eight food samples of maize flour, and corn-based beverages and cereals, none was contaminated (below detection limit). For food samples of industrial products (19 samples), 13 were contaminated in the range of 22.8 - 105 μg/kg and 19 of 20 samples from home made products were contaminated between 12.9 - 234 μg/kg. The food samples contaminated in highest level occurred in corn. Of ten samples, 6 were contaminated from 68.0 - 2471 μg/kg. For feed samples, 17 corn samples were evaluated. Of those samples, 16 contained in a large range of 17.6 - 3306 μg/kg.
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Abstract
The purpose of this study was to investigate the influence of the severity of concomitant psychiatric symptomatology on some selected measures of methadone maintenance treatment efficacy in a comprehensive methadone maintenance treatment program (MMTP). The cohort studied included 267 patients who entered a maintenance program in the years 1991-92. Two groups of patients differing in the severity of psychiatric symptomatology were obtained on the bases of the referral to the psychiatrist and the ascertainment of a current disorder. These two groups were compared for retention in treatment, urine tests positive for morphine while in treatment and methadone dose during an observation period of 2 years. The outcome of the study suggests that on these outcome parameters, patients on MMTP who are more psychiatrically ill can perform as well as the other patients.
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Affiliation(s)
- P P Pani
- Drug Addiction Service, Cagliari, Italy
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Cardu G, Napoleone A, Meloni L, Agus A, Abbruzzese PA, Aru GM, Ricchi A, Manduco G, Martelli V. [Is transesophageal echocardiography really useful in cardiac anesthesia?]. Minerva Anestesiol 1990; 56:965-8. [PMID: 2274237] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Affiliation(s)
- G Cardu
- Servizio di Anestesia e Rianimazione 1, Ospedale San Michele, Cagliari
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