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Patrice cani

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https://www.readbyqxmd.com/read/28717237/fat-binding-capacity-and-modulation-of-the-gut-microbiota-both-determine-the-effect-of-wheat-bran-fractions-on-adiposity
#1
Francesco Suriano, Laure B Bindels, Joran Verspreet, Christophe M Courtin, Kristin Verbeke, Patrice D Cani, Audrey M Neyrinck, Nathalie M Delzenne
The aim of this study was to determine the impact of different wheat bran fractions on the gut microbiota and fat binding capacity to explain their differential effects on metabolic and inflammatory disorders induced by a western diet (WD) in mice. Wheat bran derived arabinoxylan oligosaccharides (AXOS), a crude fraction of wheat bran (WB), or the same wheat bran with reduced particle size (WBs) were added to the WD of mice for 8 weeks. AXOS shifted the gut microbiota composition, blunted Clostridium and Turicibacter genera and strongly promoted Bifidobacterium and Butyricicoccus genera, independently of changes in gut antimicrobial peptide expression...
July 17, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28632181/spirulina-protects-against-hepatic-inflammation-in-aging-an-effect-related-to-the-modulation-of-the-gut-microbiota
#2
Audrey M Neyrinck, Bernard Taminiau, Hannah Walgrave, Georges Daube, Patrice D Cani, Laure B Bindels, Nathalie M Delzenne
Aging predisposes to hepatic dysfunction and inflammation that can contribute to the development of non-alcoholic fatty liver disease. Spirulina, a cyanobacterium used as a food additive or food supplement, has been shown to impact immune function. We have tested the potential hepatoprotective effect of a Spirulina in aged mice and to determine whether these effects can be related to a modulation of the gut microbiota. Old mice have been fed a standard diet supplemented with or without 5% Spirulina for six weeks...
June 20, 2017: Nutrients
https://www.readbyqxmd.com/read/28611480/expert-consensus-document-the-international-scientific-association-for-probiotics-and-prebiotics-isapp-consensus-statement-on-the-definition-and-scope-of-prebiotics
#3
REVIEW
Glenn R Gibson, Robert Hutkins, Mary Ellen Sanders, Susan L Prescott, Raylene A Reimer, Seppo J Salminen, Karen Scott, Catherine Stanton, Kelly S Swanson, Patrice D Cani, Kristin Verbeke, Gregor Reid
In December 2016, a panel of experts in microbiology, nutrition and clinical research was convened by the International Scientific Association for Probiotics and Prebiotics to review the definition and scope of prebiotics. Consistent with the original embodiment of prebiotics, but aware of the latest scientific and clinical developments, the panel updated the definition of a prebiotic: a substrate that is selectively utilized by host microorganisms conferring a health benefit. This definition expands the concept of prebiotics to possibly include non-carbohydrate substances, applications to body sites other than the gastrointestinal tract, and diverse categories other than food...
June 14, 2017: Nature Reviews. Gastroenterology & Hepatology
https://www.readbyqxmd.com/read/28597812/microbial-impact-on-host-metabolism-opportunities-for-novel-treatments-of-nutritional-disorders
#4
Hubert Plovier, Patrice D Cani
Malnutrition is the cause of major public health concerns worldwide. On the one hand, obesity and associated pathologies (also known as the metabolic syndrome) affect more than 10% of the world population. Such pathologies might arise from an elevated inflammatory tone. We have discovered that the inflammatory properties of high-fat diets were linked to the translocation of lipopolysaccharide (LPS). We proposed a mechanism associating the gut microbiota with the onset of insulin resistance and low-grade inflammation, a phenomenon that we called "metabolic endotoxemia...
June 2017: Microbiology Spectrum
https://www.readbyqxmd.com/read/28497729/-optimization-and-safety-assessment-of-akkermansia-muciniphila-for-human-administration
#5
Hubert Plovier, Patrice D Cani
No abstract text is available yet for this article.
April 2017: Médecine Sciences: M/S
https://www.readbyqxmd.com/read/28442782/gut-microbiota-at-the-intersection-of-everything
#6
Patrice D Cani
Over the past decade, numerous studies have found an association between the gut microbiota composition and many diseases. However, is it reality? Or is the truth hidden in the shadow of several thousand publications a year with inflated expectations in almost any disease?
June 2017: Nature Reviews. Gastroenterology & Hepatology
https://www.readbyqxmd.com/read/28377388/targeting-the-gut-microbiota-with-inulin-type-fructans-preclinical-demonstration-of-a-novel-approach-in-the-management-of-endothelial-dysfunction
#7
Emilie Catry, Laure B Bindels, Anne Tailleux, Sophie Lestavel, Audrey M Neyrinck, Jean-François Goossens, Irina Lobysheva, Hubert Plovier, Ahmed Essaghir, Jean-Baptiste Demoulin, Caroline Bouzin, Barbara D Pachikian, Patrice D Cani, Bart Staels, Chantal Dessy, Nathalie M Delzenne
OBJECTIVE: To investigate the beneficial role of prebiotics on endothelial dysfunction, an early key marker of cardiovascular diseases, in an original mouse model linking steatosis and endothelial dysfunction. DESIGN: We examined the contribution of the gut microbiota to vascular dysfunction observed in apolipoprotein E knockout (Apoe(-/-)) mice fed an n-3 polyunsaturated fatty acid (PUFA)-depleted diet for 12 weeks with or without inulin-type fructans (ITFs) supplementation for the last 15 days...
April 4, 2017: Gut
https://www.readbyqxmd.com/read/28302863/transfer-of-dysbiotic-gut-microbiota-has-beneficial-effects-on-host-liver-metabolism
#8
Simon Nicolas, Vincent Blasco-Baque, Audren Fournel, Jerome Gilleron, Pascale Klopp, Aurelie Waget, Franck Ceppo, Alysson Marlin, Roshan Padmanabhan, Jason S Iacovoni, François Tercé, Patrice D Cani, Jean-François Tanti, Remy Burcelin, Claude Knauf, Mireille Cormont, Matteo Serino
Gut microbiota dysbiosis has been implicated in a variety of systemic disorders, notably metabolic diseases including obesity and impaired liver function, but the underlying mechanisms are uncertain. To investigate this question, we transferred caecal microbiota from either obese or lean mice to antibiotic-free, conventional wild-type mice. We found that transferring obese-mouse gut microbiota to mice on normal chow (NC) acutely reduces markers of hepatic gluconeogenesis with decreased hepatic PEPCK activity, compared to non-inoculated mice, a phenotypic trait blunted in conventional NOD2 KO mice...
March 16, 2017: Molecular Systems Biology
https://www.readbyqxmd.com/read/28273475/integrative-physiology-at-the-crossroads-of-nutrition-microbiota-animal-physiology-and-human-health
#9
REVIEW
François Leulier, Lesley T MacNeil, Won-Jae Lee, John F Rawls, Patrice D Cani, Martin Schwarzer, Liping Zhao, Stephen J Simpson
Nutrition is paramount in shaping all aspects of animal biology. In addition, the influence of the intestinal microbiota on physiology is now widely recognized. Given that diet also shapes the intestinal microbiota, this raises the question of how the nutritional environment and microbial assemblages together influence animal physiology. This research field constitutes a new frontier in the field of organismal biology that needs to be addressed. Here we review recent studies using animal models and humans and propose an integrative framework within which to define the study of the diet-physiology-microbiota systems and ultimately link it to human health...
March 7, 2017: Cell Metabolism
https://www.readbyqxmd.com/read/28153961/novel-insight-into-the-role-of-microbiota-in-colorectal-surgery
#10
REVIEW
Radu Bachmann, Daniel Leonard, Nathalie Delzenne, Alex Kartheuser, Patrice D Cani
Recent literature undeniably supports the idea that the microbiota has a strong influence on the healing process of an intestinal anastomosis. Understanding the mechanisms by which the bacterial community of the gut influences intestinal healing could open the door for new preventive and therapeutic approaches. Among the different mechanisms, data have shown that the production of specific reactive oxygen species (ROS) and the activation of specific formyl peptide receptors (FPRs) regulate intestinal wound healing...
April 2017: Gut
https://www.readbyqxmd.com/read/28123937/fermentable-carbohydrate-stimulates-ffar2-dependent-colonic-pyy-cell-expansion%C3%A2-to%C3%A2-increase-satiety
#11
Lucy Brooks, Alexander Viardot, Anastasia Tsakmaki, Emilie Stolarczyk, Jane K Howard, Patrice D Cani, Amandine Everard, Michelle L Sleeth, Arianna Psichas, Jelena Anastasovskaj, Jimmy D Bell, Kim Bell-Anderson, Charles R Mackay, Mohammad A Ghatei, Stephen R Bloom, Gary Frost, Gavin A Bewick
OBJECTIVE: Dietary supplementation with fermentable carbohydrate protects against body weight gain. Fermentation by the resident gut microbiota produces short-chain fatty acids, which act at free fatty acid receptor 2 (FFAR2). Our aim was to test the hypothesis that FFAR2 is important in regulating the beneficial effects of fermentable carbohydrate on body weight and to understand the role of gut hormones PYY and GLP-1. METHODS: Wild-type or Ffar2(-/-) mice were fed an inulin supplemented or control diet...
January 2017: Molecular Metabolism
https://www.readbyqxmd.com/read/28102115/can-probiotics-modulate-human-disease-by-impacting-intestinal-barrier-function
#12
REVIEW
Peter A Bron, Michiel Kleerebezem, Robert-Jan Brummer, Patrice D Cani, Annick Mercenier, Thomas T MacDonald, Clara L Garcia-Ródenas, Jerry M Wells
Intestinal barrier integrity is a prerequisite for homeostasis of mucosal function, which is balanced to maximise absorptive capacity, while maintaining efficient defensive reactions against chemical and microbial challenges. Evidence is mounting that disruption of epithelial barrier integrity is one of the major aetiological factors associated with several gastrointestinal diseases, including infection by pathogens, obesity and diabetes, necrotising enterocolitis, irritable bowel syndrome and inflammatory bowel disease...
January 2017: British Journal of Nutrition
https://www.readbyqxmd.com/read/28027925/impact-of-prebiotics-on-metabolic-and-behavioral-alterations-in-a-mouse-model-of-metabolic-syndrome
#13
Lourdes Fernández de Cossío, Célia Fourrier, Julie Sauvant, Amandine Everard, Lucile Capuron, Patrice D Cani, Sophie Layé, Nathalie Castanon
Mounting evidence shows that the gut microbiota, an important player within the gut-brain communication axis, can affect metabolism, inflammation, brain function and behavior. Interestingly, gut microbiota composition is known to be altered in patients with metabolic syndrome (MetS), who also often display neuropsychiatric symptoms. The use of prebiotics, which beneficially alters the microbiota, may therefore be a promising way to potentially improve physical and mental health in MetS patients. This hypothesis was tested in a mouse model of MetS, namely the obese and type-2 diabetic db/db mice, which display emotional and cognitive alterations associated with changes in gut microbiota composition and hippocampal inflammation compared to their lean db/+ littermates...
December 24, 2016: Brain, Behavior, and Immunity
https://www.readbyqxmd.com/read/27974055/host-microbiome-interactions-in-human-type-2-diabetes-following-prebiotic-fibre-galacto-oligosaccharide-intake
#14
RANDOMIZED CONTROLLED TRIAL
Camilla Pedersen, Edith Gallagher, Felicity Horton, Richard J Ellis, Umer Z Ijaz, Huihai Wu, Etana Jaiyeola, Onyinye Diribe, Thibaut Duparc, Patrice D Cani, Glenn R Gibson, Paul Hinton, John Wright, Roberto La Ragione, M Denise Robertson
Aberrant microbiota composition and function have been linked to several pathologies, including type 2 diabetes. In animal models, prebiotics induce favourable changes in the intestinal microbiota, intestinal permeability (IP) and endotoxaemia, which are linked to concurrent improvement in glucose tolerance. This is the first study to investigate the link between IP, glucose tolerance and intestinal bacteria in human type 2 diabetes. In all, twenty-nine men with well-controlled type 2 diabetes were randomised to a prebiotic (galacto-oligosaccharide mixture) or placebo (maltodextrin) supplement (5·5 g/d for 12 weeks)...
December 2016: British Journal of Nutrition
https://www.readbyqxmd.com/read/27934480/a-mechanistic-study-on-nanoparticle-mediated-glucagon-like-peptide-1-glp-1-secretion-from-enteroendocrine-l-cells
#15
Ana Beloqui, Mireille Alhouayek, Dario Carradori, Kevin Vanvarenberg, Giulio G Muccioli, Patrice D Cani, Véronique Préat
L cells have attracted particular interest because of the pleiotropic effects of their secreted peptides (i.e., glucagon-like peptide (GLP) 1 and 2, peptide YY (PYY)). L cells express different G-protein-coupled receptors (GPCRs) that can be activated by endogenous ligands found in the gut lumen. We herein hypothesized that lipid-based nanoparticles could mimic endogenous ligands and thus activate GLP-1 secretion in type 2 diabetes mellitus treatment. To assess this hypothesis, lipid-based nanoparticles (nanostructured lipid carriers (NLC), lipid nanocapsules (LNC), and liposomes) and PLGA nanoparticles were added to the L cells and GLP-1 secretion was quantified...
December 5, 2016: Molecular Pharmaceutics
https://www.readbyqxmd.com/read/27908847/homeostasis-of-the-gut-barrier-and-potential-biomarkers
#16
REVIEW
Jerry M Wells, Robert J Brummer, Muriel Derrien, Thomas T MacDonald, Freddy Troost, Patrice D Cani, Vassilia Theodorou, Jan Dekker, Agnes Méheust, Willem M de Vos, Annick Mercenier, Arjen Nauta, Clara L Garcia-Rodenas
The gut barrier plays a crucial role by spatially compartmentalizing bacteria to the lumen through the production of secreted mucus and is fortified by the production of secretory IgA (sIgA) and antimicrobial peptides and proteins. With the exception of sIgA, expression of these protective barrier factors is largely controlled by innate immune recognition of microbial molecular ligands. Several specialized adaptations and checkpoints are operating in the mucosa to scale the immune response according to the threat and prevent overreaction to the trillions of symbionts inhabiting the human intestine...
March 1, 2017: American Journal of Physiology. Gastrointestinal and Liver Physiology
https://www.readbyqxmd.com/read/27892954/a-purified-membrane-protein-from-akkermansia-muciniphila-or-the-pasteurized-bacterium-improves-metabolism-in-obese-and-diabetic-mice
#17
Hubert Plovier, Amandine Everard, Céline Druart, Clara Depommier, Matthias Van Hul, Lucie Geurts, Julien Chilloux, Noora Ottman, Thibaut Duparc, Laeticia Lichtenstein, Antonis Myridakis, Nathalie M Delzenne, Judith Klievink, Arnab Bhattacharjee, Kees C H van der Ark, Steven Aalvink, Laurent O Martinez, Marc-Emmanuel Dumas, Dominique Maiter, Audrey Loumaye, Michel P Hermans, Jean-Paul Thissen, Clara Belzer, Willem M de Vos, Patrice D Cani
Obesity and type 2 diabetes are associated with low-grade inflammation and specific changes in gut microbiota composition. We previously demonstrated that administration of Akkermansia muciniphila to mice prevents the development of obesity and associated complications. However, the underlying mechanisms of this protective effect remain unclear. Moreover, the sensitivity of A. muciniphila to oxygen and the presence of animal-derived compounds in its growth medium currently limit the development of translational approaches for human medicine...
January 2017: Nature Medicine
https://www.readbyqxmd.com/read/27802157/gut-microbiome-and-liver-diseases
#18
REVIEW
Herbert Tilg, Patrice D Cani, Emeran A Mayer
The gut microbiota has recently evolved as a new important player in the pathophysiology of many intestinal and extraintestinal diseases. The liver is the organ which is in closest contact with the intestinal tract, and is exposed to a substantial amount of bacterial components and metabolites. Various liver disorders such as alcoholic liver disease, non-alcoholic liver disease and primary sclerosing cholangitis have been associated with an altered microbiome. This dysbiosis may influence the degree of hepatic steatosis, inflammation and fibrosis through multiple interactions with the host's immune system and other cell types...
December 2016: Gut
https://www.readbyqxmd.com/read/27763627/human-intestinal-barrier-function-in-health-and-disease
#19
REVIEW
Julia König, Jerry Wells, Patrice D Cani, Clara L García-Ródenas, Tom MacDonald, Annick Mercenier, Jacqueline Whyte, Freddy Troost, Robert-Jan Brummer
The gastrointestinal tract consists of an enormous surface area that is optimized to efficiently absorb nutrients, water, and electrolytes from food. At the same time, it needs to provide a tight barrier against the ingress of harmful substances, and protect against a reaction to omnipresent harmless compounds. A dysfunctional intestinal barrier is associated with various diseases and disorders. In this review, the role of intestinal permeability in common disorders such as infections with intestinal pathogens, inflammatory bowel disease, irritable bowel syndrome, obesity, celiac disease, non-celiac gluten sensitivity, and food allergies will be discussed...
October 20, 2016: Clinical and Translational Gastroenterology
https://www.readbyqxmd.com/read/27617197/how-gut-microbes-talk-to-organs-the-role-of-endocrine-and-nervous-routes
#20
REVIEW
Patrice D Cani, Claude Knauf
BACKGROUND: Changes in gut microbiota composition and activity have been associated with different metabolic disorders, including obesity, diabetes, and cardiometabolic disorders. Recent evidence suggests that different organs are directly under the influence of bacterial metabolites that may directly or indirectly regulate physiological and pathological processes. SCOPE OF REVIEW: We reviewed seminal as well as recent papers showing that gut microbes influence energy, glucose and lipid homeostasis by controlling different metabolic routes such as endocrine, enteric and central nervous system...
September 2016: Molecular Metabolism
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