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https://www.readbyqxmd.com/read/28716404/partial-jejunal-diversion-using-an-incisionless-magnetic-anastomosis-system-1-year-interim-results-in-subjects-with-obesity-and-diabetes
#1
Evžen Machytka, Marek Bužga, Pavel Zonca, David B Lautz, Marvin Ryou, Donald C Simonson, Christopher C Thompson
BACKGROUND AND AIMS: The majority of patients with type 2 diabetes mellitus (T2DM) have obesity. Studies show that bariatric surgery is superior to medical treatment for remission of T2DM. Nevertheless, very few patients undergo surgery, and a less-invasive endoscopic alternative is desirable. METHODS: This was a single-arm first-in-human pilot study, designed to evaluate the technical feasibility, safety, and clinical performance of the incisionless magnetic anastomosis system (IMAS) in creation of a partial jejunal diversion (PJD)...
July 14, 2017: Gastrointestinal Endoscopy
https://www.readbyqxmd.com/read/28706193/polydextrose-changes-the-gut-microbiome-and-attenuates-fasting-triglyceride-and-cholesterol-levels-in-western-diet-fed-mice
#2
Ghulam Shere Raza, Heli Putaala, Ashley A Hibberd, Esa Alhoniemi, Kirsti Tiihonen, Kari Antero Mäkelä, Karl-Heinz Herzig
Obesity and dyslipidemia are hallmarks of metabolic and cardiovascular diseases. Polydextrose (PDX), a soluble fiber has lipid lowering effects. We hypothesize that PDX reduces triglycerides and cholesterol by influencing gut microbiota, which in turn modulate intestinal gene expression. C57BL/6 male mice were fed a Western diet (WD) ±75 mg PDX twice daily by oral gavage for 14 days. Body weight and food intake were monitored daily. Fasting plasma lipids, caecal microbiota and gene expression in intestine and liver were measured after 14 days of feeding...
July 13, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28701241/arginine-metabolism-and-its-protective-effects-on-intestinal-health-and-functions-in-weaned-piglets-under-oxidative-stress-induced-by-diquat
#3
Ping Zheng, Bing Yu, Jun He, Jie Yu, Xiangbing Mao, Yuheng Luo, Junqiu Luo, Zhiqing Huang, Gang Tian, Qiufeng Zeng, Lianqiang Che, Daiwen Chen
The intestine plays key roles in maintaining body arginine (Arg) homoeostasis. Meanwhile, the intestine is very susceptible to reactive oxygen species. In light of this, the study aimed to explore the effects of Arg supplementation on intestinal morphology, Arg transporters and metabolism, and the potential protective mechanism of Arg supplementation in piglets under oxidative stress. A total of thirty-six weaned piglets were randomly allocated to six groups with six replicates and fed a base diet (0·95 % Arg,) or base diet supplemented with 0·8 % and 1·6 % l-Arg for 1 week, respectively...
July 13, 2017: British Journal of Nutrition
https://www.readbyqxmd.com/read/28699285/itraq-based-proteomic-analysis-reveals-the-roles-of-progesterone-receptor-inflammatory-and-fibrosis-for-slow-transit-constipation
#4
Yuwei Li, Yongjun Yu, Shuyuan Li, Mingqing Zhang, Zhao Zhang, Yang Shi, Xipeng Zhang, Shiwu Zhang
BACKGROUND AND AIM: Progesterone receptor, inflammation, neurotransmitter expression, and fibrosis are involved in slow-transit constipation. The aim of the present study was to examine whether patients with slow-transit constipation have an overexpression of progesterone receptor and serotonin which may impair the fibrosis of muscularis propria in colorectal wall. METHODS: High resolution colon manometry was used to record the colorectal peristaltic contractions of the proximal ascending and sigmoid colon in patients...
July 11, 2017: Journal of Gastroenterology and Hepatology
https://www.readbyqxmd.com/read/28685028/bariatric-surgery-and-obesity-influence-on-the-incretins
#5
REVIEW
B Laferrère
The gut hormone incretins have an important physiological role in meal-related insulin release and post-prandial glucose control. In addition to weight loss, the incretin hormones have a role in glucose control after bariatric surgery. The release of incretins, and specifically of glucagon-like peptide (GLP)-1, in response to the ingestion of nutrients, is greatly enhanced after gastric bypass (RYGBP). The rapid transit of food from the gastric pouch to the distal ileum is responsible for the greater GLP-1 release after RYGBP...
December 2016: International Journal of Obesity Supplements
https://www.readbyqxmd.com/read/28660848/effects-of-rapeseed-meal-fiber-content-on-phosphorus-and-calcium-digestibility-in-growing-pigs-fed-diets-without-or-with-microbial-phytase
#6
M Bournazel, M Lessire, M J Duclos, M Magnin, N Même, C Peyronnet, E Recoules, A Quinsac, E Labussière, A Narcy
The optimization of dietary phosphorus (P) and calcium (Ca) supply requires a better understanding of the effect of dietary fiber content of co-products on the digestive utilization of minerals. This study was designed to evaluate the effects of dietary fiber content from 00-rapeseed meal (RSM) on P and Ca digestibility throughout the gastrointestinal tract in growing pigs fed diets without or with microbial phytase. In total, 48 castrated male pigs (initial BW=36.1±0.4 kg) were housed in metabolic crates for 29 days...
June 29, 2017: Animal: An International Journal of Animal Bioscience
https://www.readbyqxmd.com/read/28659893/live-probiotic-lactobacillus-johnsonii-bs15-promotes-growth-performance-and-lowers-fat-deposition-by-improving-lipid-metabolism-intestinal-development-and-gut-microflora-in-broilers
#7
Hesong Wang, Xueqin Ni, Xiaodan Qing, Dong Zeng, Min Luo, Lei Liu, Guangyao Li, Kangcheng Pan, Bo Jing
Numerous studies have focused on the beneficial effects of probiotics in animals. Even so, additional information should be obtained about the mechanisms by which a useful probiotic strain successfully exerts such beneficial effects. In this study, we evaluated the effect of the dietary supplementation of both live and disrupted Lactobacillus johnsonii (LJ) strain BS15 in broilers at different ages. Specifically, growth performance, lipid metabolism, gut microbiota, intestinal development, and digestive ability of the broilers were assessed...
2017: Frontiers in Microbiology
https://www.readbyqxmd.com/read/28659742/dietary-fructose-causes-defective-insulin-signalling-and-ceramide-accumulation-in-the-liver-that-can-be-reversed-by-gut-microbiota-modulation
#8
Raffaella Crescenzo, Arianna Mazzoli, Blanda Di Luccia, Francesca Bianco, Rosa Cancelliere, Luisa Cigliano, Giovanna Liverini, Loredana Baccigalupi, Susanna Iossa
Objective: The link between metabolic derangement of the gut-2013liver-visceral white adipose tissue (v-WAT) axis and gut microbiota was investigated. Methods: Rats were fed a fructose-rich diet and treated with an antibiotic mix. Inflammation was measured in portal plasma, ileum, liver, and v-WAT, while insulin signalling was analysed by measuring levels of phosphorylated kinase Akt. The function and oxidative status of hepatic mitochondria and caecal microbiota composition were also evaluated. Results: Ileal inflammation, increase in plasma transaminases, plasma peroxidised lipids, portal concentrations of tumour necrosis factor alpha, lipopolysaccharide, and non-esterified fatty acids, were induced by fructose and were reversed by antibiotic...
2017: Food & Nutrition Research
https://www.readbyqxmd.com/read/28659730/acute-selective-bioactivity-of-grape-seed-proanthocyanidins-on-enteroendocrine-secretions-in-the-gastrointestinal-tract
#9
Àngela Casanova-Martí, Joan Serrano, M Teresa Blay, Ximena Terra, Anna Ardévol, Montserrat Pinent
Background: Enteroendocrine cells respond to food components by secreting an array of hormones that regulate several functions. We have previously shown that grape seed proanthocyanidins (GSPE) modulate GLP-1 levels. Objective: To deepen on the knowledge of the mechanisms used by GSPE to increase GLP-1, and extend it to its role at modulation of other enterohormones. Design: We used an ex vivo system to test direct modulation of enterohormones; STC-1 cells to test pure phenolic compounds; and rats to test the effects at different gastrointestinal segments...
2017: Food & Nutrition Research
https://www.readbyqxmd.com/read/28659406/early-postnatal-diets-affect-the-bioregional-small-intestine-microbiome-and-ileal-metabolome-in-neonatal-pigs
#10
Brian D Piccolo, Kelly E Mercer, Sudeepa Bhattacharya, Anne K Bowlin, Manish K Saraf, Lindsay Pack, Sree V Chintapalli, Kartik Shankar, Sean H Adams, Thomas M Badger, Laxmi Yeruva
Background: Breastfeeding is known to be protective against gastrointestinal disorders and may modify gut development. Although the gut microbiome has been implicated, little is known about how early diet affects the small intestine microbiome.Objective: We hypothesized that disparate early diets would promote unique microbial profiles in the small intestines of neonatal pigs.Methods: Male and female 2-d-old White Dutch Landrace pigs were either sow fed or provided dairy (Similac Advance powder; Ross Products Abbott Laboratories) or soy (Enfamil Prosobee Lipil powder; Mead Johnson Nutritionals) infant formulas until day 21...
June 28, 2017: Journal of Nutrition
https://www.readbyqxmd.com/read/28630706/effects-of-feeding-untreated-pasteurized-and-acidified-waste-milk-and-bunk-tank-milk-on-the-performance-serum-metabolic-profiles-immunity-and-intestinal-development-in-holstein-calves
#11
Yang Zou, Yajing Wang, Youfei Deng, Zhijun Cao, Shengli Li, Jiufeng Wang
BACKGROUND: The present experiment was performed to assess the effects of different sources of milk on the growth performance, serum metabolism, immunity, and intestinal development of calves. Eighty-four Holstein male neonatal calves were assigned to one of the following four treatment groups: those that received bunk tank milk (BTM), untreated waste milk (UWM), pasteurized waste milk (PWM), and acidified waste milk (AWM) for 21 d. RESULTS: Calves in the BTM and AWM groups consumed more starter (P < 0...
2017: Journal of Animal Science and Biotechnology
https://www.readbyqxmd.com/read/28626453/zinc-oxide-nanoparticles-influence-microflora-in-ileal-digesta-and-correlate-well-with-blood-metabolites
#12
Yanni Feng, Lingjiang Min, Weidong Zhang, Jing Liu, Zhumei Hou, Meiqiang Chu, Lan Li, Wei Shen, Yong Zhao, Hongfu Zhang
Zinc oxide nanoparticles (ZnO NPs) are used widely in consumer and industrial products, however, their influence on gut microbiota and metabolism and their mutual interactions are not fully understood. In this study, the effects of ZnO NPs on ileal bacterial communities, plasma metabolites, and correlations between them were investigated. Hens were fed with different concentrations of ZnO NPs [based on Zn; 0 mg/kg (control), 25 mg/kg, 50 mg/kg, and 100 mg/kg] for 9 weeks. Subsequently, ileal digesta and blood plasma were collected for analysis of microflora and metabolites, respectively...
2017: Frontiers in Microbiology
https://www.readbyqxmd.com/read/28616225/effect-of-three-lactobacilli-with-strain-specific-activities-on-the-growth-performance-faecal-microbiota-and-ileum-mucosa-proteomics-of-piglets
#13
Yating Su, Xingjie Chen, Ming Liu, Xiaohua Guo
BACKGROUND: The beneficial effects of Lactobacillus probiotics in animal production are often strain-related. Different strains from the same species may exert different weight-gain effect on hosts in vivo. Most lactobacilli are selected based on their in vitro activities, and their metabolism and regulation on the intestine based on strain-related characters are largely unexplored. The objective of the present study was to study the in vivo effects of the three lactobacilli on growth performance and to compare the differential effects of the strains on the faecal microbiota and ileum mucosa proteomics of piglets...
2017: Journal of Animal Science and Biotechnology
https://www.readbyqxmd.com/read/28583875/quantitative-profiling-of-19-bile-acids-in-rat-plasma-liver-bile-and-different-intestinal-section-contents-to-investigate-bile-acid-homeostasis-and-the-application-of-temporal-variation-of-endogenous-bile-acids
#14
Tingting Yang, Ting Shu, Guanlan Liu, Huifang Mei, Xiaoyu Zhu, Xin Huang, Luyong Zhang, Zhenzhou Jiang
Bile acid homeostasis is maintained by liver synthesis, bile duct secretion, microbial metabolism and intestinal reabsorption into the blood. When drug insults result in liver damage, the variances of bile acids (BAs) are related to the physiological status of the liver. Here, we established a method to simultaneously quantify 19 BAs in rat plasma, liver, bile and different intestinal section contents (duodenum, jejunum, ileum, cecum and colon) using high-performance liquid chromatography-tandem mass spectrometry (LC-MS/MS) to reveal the pattern of bile acid homeostasis in the enterohepatic circulation of bile acids in physiological situations...
June 2, 2017: Journal of Steroid Biochemistry and Molecular Biology
https://www.readbyqxmd.com/read/28571979/impact-of-high-fat-diet-on-the-intestinal-microbiota-and-small-intestinal-physiology-before-and-after-the-onset-of-obesity
#15
REVIEW
João Ricardo Araújo, Julie Tomas, Christiane Brenner, Philippe J Sansonetti
The modulation of the intestinal microbiota by high-fat diet (HFD) has a major impact on both immunological and metabolic functions of the host. Taking this into consideration, the aim of this contribution is to review the impact of HFD on microbiota profile and small intestinal physiology before and after the onset of obesity and its metabolic complications. Evidence from animal studies suggest that before the onset of obesity and its metabolic complications, HFD induces intestinal dysbiosis - encompassing changes in composition balance and massive redistribution with bacteria occupying intervillous spaces and crypts - associated with early physiopathological changes, predominantly in the ileum, such as low-grade inflammation, decreased antimicrobial peptides expression, impaired mucus production, secretion and layer's thickness, and decreased expression of tight junction proteins...
May 29, 2017: Biochimie
https://www.readbyqxmd.com/read/28549656/glycyrrhizin-and-glycyrrhetinic-acid-inhibits-alpha-naphthyl-isothiocyanate-induced-liver-injury-and-bile-acid-cycle-disruption
#16
Haina Wang, Zhong-Ze Fang, Ran Meng, Yun-Feng Cao, Naoki Tanaka, Kristopher W Krausz, Frank J Gonzalez
Alpha-naphthyl isothiocyanate (ANIT) is a common hepatotoxicant experimentally used to reproduce the pathologies of drug-induced liver injury in humans, but the mechanism of its toxicity remains unclear. To determine the metabolic alterations following ANIT exposure, metabolomic analyses was performed by use of liquid chromatography-mass spectrometry. Partial least squares discriminant analysis (PLS-DA) of liver, serum, bile, ileum, and cecum of vehicle- and ANIT-treated mice revealed significant alterations of individual bile acids, including increased tauroursodeoxycholic acid, taurohydrodeoxycholic acid, taurochenodeoxycholic acid, and taurodeoxycholic acid, and decreased ω-, β- and tauro-α/β- murideoxycholic acid, cholic acid, and taurocholic acid in the ANIT-treated groups...
May 23, 2017: Toxicology
https://www.readbyqxmd.com/read/28536569/dietary-high-zinc-oxide-modulates-the-microbiome-of-ileum-and-colon-in-weaned-piglets
#17
Ting Yu, Cui Zhu, Shicheng Chen, Lei Gao, Hang Lv, Ruowei Feng, Qingfeng Zhu, Jinsong Xu, Zhuang Chen, Zongyong Jiang
Dietary zinc oxide (ZnO) at pharmacological level has been widely used to prevent and treat diarrhea in weaning piglets. Despite its importance for promoting animal health and performance, the influence of microbiome profiles in intestinal tracts by ZnO needs to be comprehensively investigated. In this study, we conducted a comparative microbial community analysis in the ileum and colon of piglets fed by either control diet, high ZnO (3,000 mg/kg) supplement or antibiotics (300 mg/kg chlortetracycline and 60 mg/kg colistin sulfate) supplement...
2017: Frontiers in Microbiology
https://www.readbyqxmd.com/read/28526795/exploring-a-possible-link-between-the-intestinal-microbiota-and-feed-efficiency-in-pigs
#18
Ursula M McCormack, Tânia Curião, Stefan G Buzoianu, Maria L Prieto, Tomas Ryan, Patrick Varley, Fiona Crispie, Elizabeth Magowan, Barbara U Metzler-Zebeli, Donagh Berry, Orla O'Sullivan, Paul D Cotter, Gillian E Gardiner, Peadar G Lawlor
Feed efficiency (FE) is critical in pig production for both economic and environmental reasons. As the intestinal microbiota plays an important role in energy harvest, it is likely to influence FE. Our aim was therefore to characterize the intestinal microbiota of pigs ranked as low, medium and high residual feed intake (RFI; a metric for FE), where genetic, nutritional and management effects were minimized, in order to explore a possible link between the intestinal microbiota and FE. Eighty one pigs were ranked on RFI between weaning and day 126 post-weaning, and 32 were selected as the extremes in RFI (12 low, 10 medium, 10 high)...
May 19, 2017: Applied and Environmental Microbiology
https://www.readbyqxmd.com/read/28524868/diabetes-associated-microbiota-in-fa-fa-rats-is-modified-by-roux-en-y-gastric-bypass
#19
Tulika Arora, Florian Seyfried, Neil G Docherty, Valentina Tremaroli, Carel W le Roux, Rosie Perkins, Fredrik Bäckhed
Roux-en-Y gastric bypass (RYGB) and duodenal jejunal bypass (DJB), two different forms of bariatric surgery, are associated with improved glucose tolerance, but it is not clear whether the gut microbiota contributes to this effect. Here we used fa/fa rats as a model of impaired glucose tolerance to investigate whether (i) the microbiota varies between fa/fa and nondiabetic fa/+ rats; (ii) the microbiota of fa/fa rats is affected by RYGB and/or DJB; and (iii) surgically induced microbiota alterations contribute to glucose metabolism...
May 19, 2017: ISME Journal
https://www.readbyqxmd.com/read/28512779/structure-of-protein-emulsion-in-food-impacts-intestinal-microbiota-caecal-luminal-content-composition-and-distal-intestine-characteristics-in-rats
#20
Martin Beaumont, Daphné Jaoui, Véronique Douard, Damien Mat, Fanny Koeth, Bénédicte Goustard, Camille Mayeur, Stanislas Mondot, Anais Hovaghimian, Steven Le Feunteun, Catherine Chaumontet, Anne-Marie Davila, Daniel Tomé, Isabelle Souchon, Camille Michon, Gilles Fromentin, François Blachier, Marion Leclerc
SCOPE: Few studies have evaluated in vivo the impact of food structure on digestion, absorption of nutrients and on microbiota composition and metabolism. In this study we evaluated in rat the impact of two structures of protein emulsion in food on gut microbiota, luminal content composition, and intestinal characteristics. METHODS AND RESULTS: Rats received for 3 weeks two diets of identical composition but based on lipid-protein matrices of liquid fine (LFE) or gelled coarse (GCE) emulsion...
May 17, 2017: Molecular Nutrition & Food Research
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