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Medina-Larqué AS, Rodríguez-Daza MC, Roquim M, Dudonné S, Pilon G, Levy É, Marette A, Roy D, Jacques H, Desjardins Y. Cranberry polyphenols and agave agavins impact gut immune response and microbiota composition while improving gut barrier function, inflammation, and glucose metabolism in mice fed an obesogenic diet. Front Immunol 2022; 13:871080. [PMID: 36052065 PMCID: PMC9424773 DOI: 10.3389/fimmu.2022.871080] [Citation(s) in RCA: 18] [Impact Index Per Article: 9.0] [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: 02/07/2022] [Accepted: 07/20/2022] [Indexed: 11/29/2022] Open
Abstract
The consumption of plant-based bioactive compounds modulates the gut microbiota and interacts with the innate and adaptive immune responses associated with metabolic disorders. The present study aimed to evaluate the effect of cranberry polyphenols (CP), rich in flavonoids, and agavins (AG), a highly branched agave-derived neo-fructans, on cardiometabolic response, gut microbiota composition, metabolic endotoxemia, and mucosal immunomodulation of C57BL6 male mice fed an obesogenic high-fat and high-sucrose (HFHS) diet for 9 weeks. Interestingly, CP+AG-fed mice had improved glucose homeostasis. Oral supplementation with CP selectively and robustly (five-fold) increases the relative abundance of Akkermansia muciniphila, a beneficial bacteria associated with metabolic health. AG, either alone or combined with CP (CP+AG), mainly stimulated the glycan-degrading bacteria Muribaculum intestinale, Faecalibaculum rodentium, Bacteroides uniformis, and Bacteroides acidifaciens. This increase of glycan-degrading bacteria was consistent with a significantly increased level of butyrate in obese mice receiving AG, as compared to untreated counterparts. CP+AG-supplemented HFHS-fed mice had significantly lower levels of plasma LBP than HFHS-fed controls, suggesting blunted metabolic endotoxemia and improved intestinal barrier function. Gut microbiota and derived metabolites interact with the immunological factors to improve intestinal epithelium barrier function. Oral administration of CP and AG to obese mice contributed to dampen the pro-inflammatory immune response through different signaling pathways. CP and AG, alone or combined, increased toll-like receptor (TLR)-2 (Tlr2) expression, while decreasing the expression of interleukin 1ß (ILß1) in obese mice. Moreover, AG selectively promoted the anti-inflammatory marker Foxp3, while CP increased the expression of NOD-like receptor family pyrin domain containing 6 (Nlrp6) inflammasome. The intestinal immune system was also shaped by dietary factor recognition. Indeed, the combination of CP+AG significantly increased the expression of aryl hydrocarbon receptors (Ahr). Altogether, both CP and AG can shape gut microbiota composition and regulate key mucosal markers involved in the repair of epithelial barrier integrity, thereby attenuating obesity-associated gut dysbiosis and metabolic inflammation and improving glucose homeostasis.
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Affiliation(s)
- Ana-Sofía Medina-Larqué
- Institute of Nutrition and Functional Foods (INAF), Laval University, Québec, QC, Canada
- School of Nutrition, Faculty of Agriculture and Food Sciences, Laval University, Québec, QC, Canada
| | - María-Carolina Rodríguez-Daza
- Institute of Nutrition and Functional Foods (INAF), Laval University, Québec, QC, Canada
- Department of Food Science, Faculté des sciences de l’agriculture et de l’alimentation (FSAA), Laval University, Québec, QC, Canada
- Laboratory of Microbiology, Wageningen University & Research, Wageningen, Netherlands
| | - Marcela Roquim
- Institute of Nutrition and Functional Foods (INAF), Laval University, Québec, QC, Canada
| | - Stéphanie Dudonné
- Institute of Nutrition and Functional Foods (INAF), Laval University, Québec, QC, Canada
- Department of Plant Science, FSAA, Laval University, Québec, QC, Canada
| | - Geneviève Pilon
- Institute of Nutrition and Functional Foods (INAF), Laval University, Québec, QC, Canada
- Department of Medicine, Faculty of Medicine, Cardiology Axis of Quebec Heart and Lung Institute, Laval University, Québec, QC, Canada
| | - Émile Levy
- Institute of Nutrition and Functional Foods (INAF), Laval University, Québec, QC, Canada
- Research Centre, Sainte- Justine Hospital, Montreal, QC, Canada
| | - André Marette
- Institute of Nutrition and Functional Foods (INAF), Laval University, Québec, QC, Canada
- Department of Medicine, Faculty of Medicine, Cardiology Axis of Quebec Heart and Lung Institute, Laval University, Québec, QC, Canada
| | - Denis Roy
- Institute of Nutrition and Functional Foods (INAF), Laval University, Québec, QC, Canada
- Department of Food Science, Faculté des sciences de l’agriculture et de l’alimentation (FSAA), Laval University, Québec, QC, Canada
| | - Hélène Jacques
- Institute of Nutrition and Functional Foods (INAF), Laval University, Québec, QC, Canada
- School of Nutrition, Faculty of Agriculture and Food Sciences, Laval University, Québec, QC, Canada
| | - Yves Desjardins
- Institute of Nutrition and Functional Foods (INAF), Laval University, Québec, QC, Canada
- Department of Plant Science, FSAA, Laval University, Québec, QC, Canada
- *Correspondence: Yves Desjardins,
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