Akkermansia muciniphila and improved metabolic health during a dietary intervention in obesity: relationship with gut microbiome richness and ecology
Maria Carlota Dao,Amandine Everard,Judith Aron-Wisnewsky,Nataliya Sokolovska,Edi Prifti,Eric O. Verger,Brandon D. Kayser,Florence Levenez,Julien Chilloux,Lesley Hoyles,Marc-Emmanuel Dumas,Salwa W. Rizkalla,Joël Doré,Patrice D. Cani,Karine Clément +14 more
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TLDR
A. muciniphila is associated with a healthier metabolic status and better clinical outcomes after CR in overweight/obese adults, and the interaction between gut microbiota ecology and A. muc iniphila warrants further investigation.Abstract:
OBJECTIVE: Individuals with obesity and type 2 diabetes differ from lean and healthy individuals in their abundance of certain gut microbial species and microbial gene richness Abundance of Akkermansia muciniphila, a mucin-degrading bacterium, has been inversely associated with body fat mass and glucose intolerance in mice, but more evidence is needed in humans The impact of diet and weight loss on this bacterial species is unknown Our objective was to evaluate the association between faecal A muciniphila abundance, faecal microbiome gene richness, diet, host characteristics, and their changes after calorie restriction (CR) DESIGN: The intervention consisted of a 6-week CR period followed by a 6-week weight stabilisation diet in overweight and obese adults (N=49, including 41 women) Faecal A muciniphila abundance, faecal microbial gene richness, diet and bioclinical parameters were measured at baseline and after CR and weight stabilisation RESULTS: At baseline A muciniphila was inversely related to fasting glucose, waist-to-hip ratio and subcutaneous adipocyte diameter Subjects with higher gene richness and A muciniphila abundance exhibited the healthiest metabolic status, particularly in fasting plasma glucose, plasma triglycerides and body fat distribution Individuals with higher baseline A muciniphila displayed greater improvement in insulin sensitivity markers and other clinical parameters after CR These participants also experienced a reduction in A muciniphila abundance, but it remained significantly higher than in individuals with lower baseline abundance A muciniphila was associated with microbial species known to be related to health CONCLUSIONS: A muciniphila is associated with a healthier metabolic status and better clinical outcomes after CR in overweight/obese adults The interaction between gut microbiota ecology and A muciniphila warrants further investigation TRIAL REGISTRATION NUMBER: NCT01314690read more
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Journal ArticleDOI
Influence of diet on the gut microbiome and implications for human health.
Rasnik Singh,Hsin Wen Chang,Di Yan,Kristina Lee,Derya Ucmak,Kirsten Wong,Michael Abrouk,Benjamin Farahnik,Mio Nakamura,Tian Hao Zhu,Tina Bhutani,Wilson Liao +11 more
TL;DR: It is shown that consumption of particular types of food produces predictable shifts in existing host bacterial genera, which affects host immune and metabolic parameters, with broad implications for human health.
Journal ArticleDOI
A purified membrane protein from Akkermansia muciniphila or the pasteurized bacterium improves metabolism in obese and diabetic mice
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,Willem M. de Vos,Patrice D. Cani +25 more
TL;DR: It is shown that A. muciniphila retains its efficacy when grown on a synthetic medium compatible with human administration and enhanced its capacity to reduce fat mass development, insulin resistance and dyslipidemia in mice, and Amuc_1100, a specific protein isolated from the outer membrane of A. Sydneyi, interacts with Toll-like receptor 2, is stable at temperatures used for pasteurization and partly recapitulates the beneficial effects of the bacterium.
Journal ArticleDOI
Supplementation with Akkermansia muciniphila in overweight and obese human volunteers: a proof-of-concept exploratory study.
Clara Depommier,Amandine Everard,Céline Druart,Hubert Plovier,Matthias Van Hul,Sara Vieira-Silva,Gwen Falony,Jeroen Raes,Dominique Maiter,Nathalie M. Delzenne,Marie de Barsy,Audrey Loumaye,Michel P. Hermans,Jean-Paul Thissen,Willem M. de Vos,Willem M. de Vos,Patrice D. Cani +16 more
TL;DR: In this article, Akkermansia muciniphila, a gut microbe previously associated with metabolic health in preclinical models, is safe and well tolerated in humans and may improve metabolic parameters in overweight and obese patients.
Journal ArticleDOI
Metformin alters the gut microbiome of individuals with treatment-naive type 2 diabetes, contributing to the therapeutic effects of the drug
Hao Wu,Eduardo Esteve,Eduardo Esteve,Valentina Tremaroli,Muhammad Tanweer Khan,Robert Caesar,Louise Mannerås-Holm,Marcus Ståhlman,Lisa M. Olsson,Matteo Serino,Mercè Planas-Fèlix,Gemma Xifra,Gemma Xifra,Josep M. Mercader,David Torrents,David Torrents,Rémy Burcelin,Rémy Burcelin,Wifredo Ricart,Wifredo Ricart,Rosie Perkins,José Manuel Fernández-Real,José Manuel Fernández-Real,Fredrik Bäckhed,Fredrik Bäckhed,Fredrik Bäckhed +25 more
TL;DR: It is shown that metformin affected pathways with common biological functions in species from two different phyla, and many of the met formin-regulated genes in these species encoded metalloproteins or metal transporters, which provides support for the notion that altered gut microbiota mediates some of metformIn's antidiabetic effects.
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Human gut microbiome: hopes, threats and promises
TL;DR: Recent evidence of the impact of the gut microbiota on metabolic disorders and focus on selected key mechanisms is discussed and the cases of the bacteria Prevotella copri and Akkermansia muciniphila will be discussed as key examples.
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A metagenome-wide association study of gut microbiota in type 2 diabetes
Junjie Qin,Yingrui Li,Zhiming Cai,Shenghui Li,Jianfeng Zhu,Fan Zhang,Suisha Liang,Wenwei Zhang,Yuanlin Guan,Dongqian Shen,Yangqing Peng,Dongya Zhang,Zhuye Jie,Wenxian Wu,Youwen Qin,Wenbin Xue,Junhua Li,Lingchuan Han,Donghui Lu,Peixian Wu,Yali Dai,Xiaojuan Sun,Zesong Li,Aifa Tang,Shilong Zhong,Xiaoping Li,Weineng Chen,Ran Xu,Mingbang Wang,Qiang Feng,Meihua Gong,Jing Yu,Yanyan Zhang,Ming Zhang,Torben Hansen,Gaston Sanchez,Jeroen Raes,Gwen Falony,Shujiro Okuda,Mathieu Almeida,Emmanuelle Le-chatelier,Pierre Renault,Nicolas Pons,Jean-Michel Batto,Zhaoxi Zhang,Hua Chen,Ruifu Yang,Wei-Mou Zheng,Songgang Li,Huanming Yang,Jian Wang,S. Dusko Ehrlich,Rasmus Nielsen,Oluf Pedersen,Oluf Pedersen,Karsten Kristiansen,Jun Wang +56 more
TL;DR: MGWAS analysis showed that patients with type 2 diabetes were characterized by a moderate degree of gut microbial dysbiosis, a decrease in the abundance of some universal butyrate-producing bacteria and an increase in various opportunistic pathogens, as well as an enrichment of other microbial functions conferring sulphate reduction and oxidative stress resistance.
Journal ArticleDOI
Richness of human gut microbiome correlates with metabolic markers
Trine Nielsen,Junjie Qin,Edi Prifti,Falk Hildebrand,Gwen Falony,Mathieu Almeida,Manimozhiyan Arumugam,Jean-Michel Batto,Sean Kennedy,Pierre Leonard,Junhua Li,Kristoffer Sølvsten Burgdorf,Niels Grarup,Torben Jørgensen,Torben Jørgensen,Torben Jørgensen,Ivan Brandslund,Henrik Nielsen,Agnieszka S. Juncker,Marcelo Bertalan,Florence Levenez,Nicolas Pons,Simon Rasmussen,Shinichi Sunagawa,Julien Tap,Sebastian Tims,Erwin G. Zoetendal,Søren Brunak,Karine Clément,Karine Clément,Joël Doré,Michiel Kleerebezem,Karsten Kristiansen,Pierre Renault,Thomas Sicheritz-Pontén,Willem M. de Vos,Willem M. de Vos,Jean-Daniel Zucker,Jean-Daniel Zucker,Jean-Daniel Zucker,Jeroen Raes,Torben Hansen,Torben Hansen,Peer Bork,Jun Wang,S. Dusko Ehrlich,Oluf Pedersen +46 more
TL;DR: The authors' classifications based on variation in the gut microbiome identify subsets of individuals in the general white adult population who may be at increased risk of progressing to adiposity-associated co-morbidities.
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