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Patrice cani

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https://www.readbyqxmd.com/read/29024086/combined-endogenous-mr-biomarkers-to-predict-basal-tumor-oxygenation-and-response-to-hyperoxic-challenge
#1
Thanh-Trang Cao-Pham, Nicolas Joudiou, Matthias Van Hul, Caroline Bouzin, Patrice D Cani, Bernard Gallez, Bénédicte F Jordan
Hypoxia is a common feature of solid tumors, which translates into increased angiogenesis, malignant phenotype cell selection, change in gene expression and greater resistance to radiotherapy and chemotherapy. Therefore, there is a need for markers of hypoxia to stratify patients, in order to personalize treatment to improve therapeutic outcome. However, no modality has yet been validated for the screening of hypoxia in routine clinical practice. Magnetic resonance imaging (MRI) R1 and R2 * relaxation parameters are sensitive to tissue oxygenation: R1 is sensitive to dissolved oxygen and R2 * is sensitive to intravascular deoxyhemoglobin content...
October 11, 2017: NMR in Biomedicine
https://www.readbyqxmd.com/read/29018410/next-generation-beneficial-microbes-the-case-of-akkermansia-muciniphila
#2
REVIEW
Patrice D Cani, Willem M de Vos
Metabolic disorders associated with obesity and cardiometabolic disorders are worldwide epidemic. Among the different environmental factors, the gut microbiota is now considered as a key player interfering with energy metabolism and host susceptibility to several non-communicable diseases. Among the next-generation beneficial microbes that have been identified, Akkermansia muciniphila is a promising candidate. Indeed, A. muciniphila is inversely associated with obesity, diabetes, cardiometabolic diseases and low-grade inflammation...
2017: Frontiers in Microbiology
https://www.readbyqxmd.com/read/28906350/the-hundred-most-cited-publications-in-microbiota-of-diabetes-research-a-bibliometric-analysis
#3
Jiaxing Tian, Min Li, Fengmei Lian, Xiaolin Tong
BACKGROUND: Bibliometric analysis is an approach to evaluate the circumstances and trends in specific research field over time and to provide inspiration in future research and policy. Researches have a tremendous increase focus on the role of the microbiota in the development of diabetes in recent years; however, there is no published literature conducting a bibliometric analysis to explore the tendency. The aim of this study was to provide a detailed evaluation of the hundred most cited articles in microbiota of diabetes research...
September 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28898875/enteroendocrine-cells-metabolic-relays-between-microbes-and-their-host
#4
Hubert Plovier, Patrice D Cani
Gut bacteria exert a variety of metabolic functions unavailable to the host and are increasingly seen as a virtual organ located inside our gastrointestinal tract. Scattered in our intestinal epithelium, enteroendocrine cells (EECs) regulate several aspects of the host's physiology and translate signals coming from the gut microbiota through their hormonal secretions. In this chapter, we will assess the interplay between the gut microbiota and EEC and its consequences for the physiology of the host. We will first describe alterations of different populations of EEC in germ-free animals...
2017: Endocrine Development
https://www.readbyqxmd.com/read/28874357/reduced-obesity-diabetes-and-steatosis-upon-cinnamon-and-grape-pomace-are-associated-with-changes-in-gut-microbiota-and-markers-of-gut-barrier
#5
Matthias Van Hul, Lucie Geurts, Hubert Plovier, Céline Druart, Amandine Everard, Marcus Ståhlman, Moez Rhimi, Kleopatra Chira, Pierre-Louis Teissedre, Nathalie M Delzenne, Emmanuelle Maguin, Angèle Guilbot, Amandine Brochot, Philippe Gerard, Fredrik Bäckhed, Patrice D Cani
Increasing evidence suggests that polyphenols have a significant potential in the prevention and treatment of risk factors associated with metabolic syndrome. The objective of this study was to assess the metabolic outcomes of two polyphenol-containing extracts from cinnamon bark (CBE) and grape pomace (GPE) on C57BL/6J mice fed a high-fat diet (HFD) for 8 weeks. Both CBE and GPE were able to decrease fat mass gain and adipose tissue inflammation in mice fed a HFD without reducing food intake. This was associated with reduced liver steatosis and lower plasma non-esterified fatty acids levels...
September 5, 2017: American Journal of Physiology. Endocrinology and Metabolism
https://www.readbyqxmd.com/read/28873082/ffar2-expression-regulates-leukaemic-cell-growth-in-vivo
#6
Laure B Bindels, Paolo E Porporato, Sarah Ducastel, Martina Sboarina, Audrey M Neyrinck, Evelyne M Dewulf, Olivier Feron, Sophie Lestavel, Patrice D Cani, Bart Staels, Pierre Sonveaux, Nathalie M Delzenne
BACKGROUND: Activation of free fatty acid receptor 2 (FFAR2) by microbiota-derived metabolites (e.g., propionate) reduces leukaemic cell proliferation in vitro. This study aims to test whether Ffar2 expression per se also influences leukaemia cell growth in vivo. METHODS: Bcr-Abl-expressing BaF cells were used as a leukaemia model and the role of Ffar2 was evaluated in Balb/c mice after lentiviral shRNA transduction. RESULTS: Our data formally establish that reduced leukaemic cell proliferation is associated with increased Ffar2 expression in vivo and in vitro...
September 5, 2017: British Journal of Cancer
https://www.readbyqxmd.com/read/28863365/a-polyphenolic-extract-from-green-tea-leaves-activates-fat-browning-in-high-fat-diet-induced-obese-mice
#7
Audrey M Neyrinck, Laure B Bindels, Lucie Geurts, Matthias Van Hul, Patrice D Cani, Nathalie M Delzenne
Fat browning has emerged as an attractive target for the treatment of obesity and related metabolic disorders. Its activation leads to increased energy expenditure and reduced adiposity, thus contributing to a better energy homeostasis. Green tea extracts (GTEs) were shown to attenuate obesity and low-grade inflammation and to induce the lipolytic pathway in the white adipose tissue (WAT) of mice fed a high-fat diet. The aim of the present study was to determine whether the antiobesity effect of an extract from green tea leaves was associated with the activation of browning in the WAT and/or the inhibition of whitening in the brown adipose tissue (BAT) in HF-diet induced obese mice...
July 24, 2017: Journal of Nutritional Biochemistry
https://www.readbyqxmd.com/read/28798116/gut-cell-metabolism-shapes-the-microbiome
#8
Patrice D Cani
No abstract text is available yet for this article.
August 11, 2017: Science
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
#9
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
#10
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
#11
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...
August 2017: Nature Reviews. Gastroenterology & Hepatology
https://www.readbyqxmd.com/read/28597812/microbial-impact-on-host-metabolism-opportunities-for-novel-treatments-of-nutritional-disorders
#12
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
#13
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
#14
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
#15
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
#16
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
#17
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
#18
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
#19
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
#20
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
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