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Glucagon AND Supplement

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https://www.readbyqxmd.com/read/28436589/short-chain-fatty-acids-augment-rat-duodenal-mucosal-barrier-function
#1
Wan Salman Wan Saudi, Markus Sjöblom
Short-chain fatty acids (SCFAs) are produced by bacterial fermentation in the large intestine, particularly from diets containing fibres and carbohydrates. The small intestinal epithelium is exposed to SCFAs derived mainly from oral bacteria or food supplementation. Although luminal nutrients are important in regulation of intestinal functions the role of SCFAs in regulation of small intestinal mucosal barrier function and motility has not been fully described. The aim of the present study was to elucidate the effects of acetate and propionate on duodenal mucosal barrier function and motility...
April 24, 2017: Experimental Physiology
https://www.readbyqxmd.com/read/28433470/daily-supplementation-of-dietary-protein-improves-the-metabolic-effects-of-glp-1-based-pharmacotherapy-in-lean-and-obese-rats
#2
Elizabeth G Mietlicki-Baase, Kieran Koch-Laskowski, Lauren E McGrath, Joanna Krawczyk, Tram Pham, Rinzin Lhamo, David J Reiner, Matthew R Hayes
Glucagon-like peptide-1 (GLP-1) is an incretin hormone released from intestinal L-cells in response to food entering into the gastrointestinal tract. GLP-1-based pharmaceuticals improve blood glucose regulation and reduce feeding. Specific macronutrients, when ingested, may trigger GLP-1 secretion and enhance the effects of systemic sitagliptin, a pharmacological inhibitor of DPP-IV (an enzyme that rapidly degrades GLP-1). In particular, macronutrient constituents found in dairy foods may act as potent secretagogues for GLP-1, and acute preclinical trials show that ingestion of dairy protein may represent a promising adjunct behavioral therapy in combination with sitagliptin...
April 19, 2017: Physiology & Behavior
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
#3
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/28371338/oral-administration-of-nasturtium-affects-peptide-yy-secretion-in-male-subjects
#4
Sonja Schiess, Stefanie Platz, Margrit Kemper, Monika Schreiner, Inga Mewis, Sascha Rohn, Christiane Bumke-Vogt, Olga Pivovarova, Andreas F H Pfeiffer
SCOPE: Nasturtium plants contain the glucosinolate glucotropaeolin and its corresponding breakdown product benzyl isothiocyanate (BITC), the latter being intensively studied with regard to cancer chemoprevention and anti-inflammatory properties. In addition, recent research has shown that isothiocyanates are able to activate the release of several gut hormones in vitro and in rodent studies. Here, we tested the effects of a dietary nasturtium administration on circulating levels of gut hormones in humans...
March 31, 2017: Molecular Nutrition & Food Research
https://www.readbyqxmd.com/read/28319060/the-anti-diabetic-drug-exenatide-a-glucagon-like-peptide-1-receptor-agonist-counteracts-hepatocarcinogenesis-through-camp-pka-egfr-stat3-axis
#5
M Zhou, M T S Mok, H Sun, A W Chan, Y Huang, A S L Cheng, G Xu
Epidemiological studies have demonstrated a close association of type 2 diabetes and hepatocellular carcinoma (HCC). Exenatide (Ex-4), a potent diabetes drug targeting glucagon-like peptide-1 receptor (GLP-1R), is protective against non-alcoholic fatty liver disease (NAFLD). However, the Ex-4 function and GLP-1R status have yet been explored in HCC. Herein we investigated the effect of Ex-4 in diethylnitrosamine (DEN)-treated mice consuming control or high-fat high-carbohydrate diet. Administration of Ex-4 significantly improved obesity-induced hyperglycemia and hyperlipidemia and reduced HCC multiplicity in obese DEN-treated mice, in which suppressed proliferation and induced apoptosis were confined to tumor cells...
March 20, 2017: Oncogene
https://www.readbyqxmd.com/read/28287413/the-effect-of-short-term-dietary-fructose-supplementation-on-gastric-emptying-rate-and-gastrointestinal-hormone-responses-in-healthy-men
#6
Adora M W Yau, John McLaughlin, Ronald J Maughan, William Gilmore, Gethin H Evans
This study aimed to examine gastric emptying rate and gastrointestinal hormone responses to fructose and glucose ingestion following 3 days of dietary fructose supplementation. Using the (13)C-breath test method, gastric emptying rates of equicaloric fructose and glucose solutions were measured in 10 healthy men with prior fructose supplementation (fructose supplement, FS; glucose supplement, GS) and without prior fructose supplementation (fructose control, FC; glucose control, GC). In addition, circulating concentrations of acylated ghrelin (GHR), glucagon-like peptide-1 (GLP-1), glucose-dependent insulinotropic polypeptide (GIP), and insulin were determined, as well as leptin, lactate, and triglycerides...
March 10, 2017: Nutrients
https://www.readbyqxmd.com/read/28202017/association-between-metformin-use-and-below-the-knee-arterial-calcification-score-in-type-2-diabetic-patients
#7
Aurélien Mary, Agnes Hartemann, Sophie Liabeuf, Carole Elodie Aubert, Salim Kemel, Joe Elie Salem, Philippe Cluzel, Aurélie Lenglet, Ziad A Massy, Jean-Daniel Lalau, Romuald Mentaverri, Olivier Bourron, Saïd Kamel
BACKGROUND: Vascular calcification (VC) is common in type 2 diabetes, and is associated with cardiovascular complications. Recent preclinical data suggest that metformin inhibits VC both in vitro and in animal models. However, metformin's effects in patients with diabetic VC have not previously been characterized. The present study investigated the association between metformin use and lower-limb arterial calcification in patients with type 2 diabetes and high cardiovascular risk. METHODS: The DIACART cross-sectional cohort study included 198 patients with type 2 diabetes but without severe chronic kidney disease...
February 15, 2017: Cardiovascular Diabetology
https://www.readbyqxmd.com/read/28195823/clinical-safety-of-bariatric-arterial-embolization-preliminary-results-of-the-beat-obesity-trial
#8
Clifford R Weiss, Olaguoke Akinwande, Kaylan Paudel, Lawrence J Cheskin, Brian Holly, Kelvin Hong, Aaron M Fischman, Rahul S Patel, Eun J Shin, Kimberley E Steele, Timothy H Moran, Kristen Kaiser, Amie Park, David M Shade, Dara L Kraitchman, Aravind Arepally
Purpose To conduct a pilot prospective clinical trial to evaluate the feasibility, safety, and short-term efficacy of bariatric embolization, a recently developed endovascular procedure for the treatment of obesity, in patients with severe obesity. Materials and Methods This is an institutional review board- and U.S. Food and Drug Administration-approved prospective physician-initiated investigational device exemption study. This phase of the study ran from June 2, 2014, to August 4, 2015. Five severely obese patients (four women, one man) who were 31-49 years of age and who had a mean body mass index of 43...
May 2017: Radiology
https://www.readbyqxmd.com/read/28179229/exogenous-amino-acids-suppress-glucose-oxidation-and-potentiate-hepatic-glucose-production-in-late-gestation-fetal-sheep
#9
Laura D Brown, Jaden R Kohn, Paul J Rozance, William W Hay, Stephanie R Wesolowski
Acute amino acid (AA) infusion increases AA oxidation rates in normal late gestation fetal sheep. Because fetal oxygen consumption rate does not change with increased AA oxidation, we hypothesized that AA infusion would suppress glucose oxidation pathways and that the additional carbon supply from AA would activate hepatic glucose production. To test this, late gestation fetal sheep were infused intravenously for 3h with saline or exogenous AA (AA). Glucose tracer metabolic studies were performed and skeletal muscle and liver tissues samples were collected...
February 8, 2017: American Journal of Physiology. Regulatory, Integrative and Comparative Physiology
https://www.readbyqxmd.com/read/28161724/resistant-maltodextrin-or-fructooligosaccharides-promotes-glp-1-production-in-male-rats-fed-a-high-fat-and-high-sucrose-diet-and-partially-reduces-energy-intake-and-adiposity
#10
Tohru Hira, Ryoya Suto, Yuka Kishimoto, Sumiko Kanahori, Hiroshi Hara
PURPOSE: Increasing secretion and production of glucagon-like peptide-1 (GLP-1) by continuous ingestion of certain food components has been expected to prevent glucose intolerance and obesity. In this study, we examined whether a physiological dose (5% weight in diet) of digestion-resistant maltodextrin (RMD) has a GLP-1-promoting effect in rats fed a high-fat and high-sucrose (HFS) diet. METHODS: Rats were fed a control diet or the HFS (30% fat, 40% sucrose wt/wt) diet supplemented with 5% RMD or fructooligosaccharides (FOS) for 8 weeks or for 8 days in separated experiments...
February 4, 2017: European Journal of Nutrition
https://www.readbyqxmd.com/read/28131587/reducing-gut-effects-from-cryptosporidium-parvum-infection-in-dairy-calves-through-prophylactic-glucagon-like-peptide-2-therapy-or-feeding-of-an-artificial-sweetener
#11
E E Connor, E H Wall, D M Bravo, C M Evock-Clover, T H Elsasser, R L Baldwin, M Santín, B T Vinyard, S Kahl, M P Walker
Glucagon-like peptide 2 (GLP-2) therapy was shown previously to reduce inflammation-related gut damage from coccidiosis in dairy calves, and feeding of artificial sweetener stimulates GLP-2 secretion from intestinal L cells. The purpose of this study was to determine whether GLP-2 treatment or artificial sweetener feeding beginning 1 wk before an experimental inoculation with the coccidian parasite Cryptosporidium parvum can reduce infection-related intestinal damage in Holstein bull calves. Newborn calves were assigned to 1 of 4 treatment groups of 6 calves each, including noninfected control calves injected s...
January 25, 2017: Journal of Dairy Science
https://www.readbyqxmd.com/read/28104916/trpv1-activation-counters-diet-induced-obesity-through-sirtuin-1-activation-and-prdm-16-deacetylation-in-brown-adipose-tissue
#12
P Baskaran, V Krishnan, K Fettel, P Gao, Z Zhu, J Ren, B Thyagarajan
BACKGROUND/OBJECTIVE: An imbalance between energy intake and expenditure leads to obesity. Increasing metabolism and thermogenesis in brown adipose tissue (BAT) can help in overcoming obesity. Here, we investigated the effect of activation of transient receptor potential vanilloid subfamily 1 (TRPV1) in the upregulation of thermogenic proteins in BAT to counter diet-induced obesity. SUBJECTS/METHODS: We investigated the effect of dietary supplementation of capsaicin (CAP) (TRPV1 agonist) on the expression of metabolically important thermogenic proteins in BAT of wild-type and TRPV1(-/-) mice that received either a normal chow or high-fat (±CAP; TRPV1 activator) diet by immunoblotting...
February 14, 2017: International Journal of Obesity: Journal of the International Association for the Study of Obesity
https://www.readbyqxmd.com/read/28098405/shielding-engineered-islets-with-mesenchymal-stem-cells-enhance-survival-under-hypoxia
#13
Bhawna Chandravanshi, Ramesh Ramchandra Bhonde
In the present study we focused on the improvisation of islet survival in hypoxia.The Islet like cell aggregates (ICAs) derived from wharton's jelly mesenchymal stem cells (WJ MSC) were cultured with and without WJ MSC for 48h in hypoxia and normoxia and tested for their direct trophic effect on β cell survival. The WJ MSCs themselves secreted insulin upon glucose challenge and expressed the pancreatic markers at both transcription and translational level (C-peptide, Insulin,Glucagon and Glut 2). Direct contact of MSCs with ICAs facilitated highest viability under hypoxia as evidenced by fluorescein diacetate/propidium iodide and 3-(4,5-dimethylthiazol-2-yl)-2,5-diphenyltetrazolium bromide(MTT) assay...
January 18, 2017: Journal of Cellular Biochemistry
https://www.readbyqxmd.com/read/27777602/dietary-green-plant-thylakoids-decrease-gastric-emptying-and-gut-transit-promote-changes-in-the-gut-microbial-flora-but-does-not-cause-steatorrhea
#14
Eva-Lena Stenblom, Björn Weström, Caroline Linninge, Peter Bonn, Mary Farrell, Jens F Rehfeld, Caroline Montelius
Green-plant thylakoids increase satiety by affecting appetite hormones such as ghrelin, cholecystokinin (CCK) and glucagon-like peptide-1 (GLP-1). The objective of this study was to investigate if thylakoids also affect gastrointestinal (GI) passage and microbial composition. To analyse the effects on GI passage, 16 rats were gavage-fed a control or thylakoid-supplemented high-fat diet (HFD) 30 min before receiving Evans blue. Another 16 rats were fed a control HFD or thylakoid HFD for two weeks prior to the intragastric challenge with Evans blue...
2016: Nutrition & Metabolism
https://www.readbyqxmd.com/read/27641625/generation-of-glucagon-like-peptide-2-expressing-saccharomyces-cerevisiae-and-its-improvement-of-the-intestinal-health-of-weaned-rats
#15
Zhongwei Zhang, Xiaodong Wu, Lili Cao, Zhengdong Zhong, Yan Zhou
We aimed to assess the feasibility of enhancing the intestinal development of weaned rats using glucagon-like peptide-2 (GLP-2)-expressing Saccharomyces cerevisiae (S. cerevisiae). GLP-2-expressing S. cerevisiae (GLP2-SC) was generated using a recombinant approach. The diet of weaned rats was supplemented with the GLP2-SC strain. The average daily gain (ADG), the intestinal morphology and the activities of the digestive enzymes in the jejunum were tested to assess the influence of the GLP2-SC strain on intestinal development...
September 19, 2016: Microbial Biotechnology
https://www.readbyqxmd.com/read/27541206/retrospective-evaluation-of-the-use-of-glucagon-infusion-as-adjunctive-therapy-for-hypoglycemia-in-dogs-9-cases-2005-2014
#16
Kristen Datte, Julien Guillaumin, Susan Barrett, Andrea Monnig, Edward Cooper
OBJECTIVE: To describe the use of glucagon infusion for adjunctive treatment of hypoglycemia in dogs. DESIGN: Multicenter retrospective case series. SETTING: One university and 1 private veterinary referral hospital. ANIMALS: Dogs were included if they were hospitalized and received glucagon therapy for hypoglycemia, defined as blood glucose concentration (BG) <60 mg/dL. A total of 9 dogs were included from September 2005 to May 2014...
November 2016: Journal of Veterinary Emergency and Critical Care
https://www.readbyqxmd.com/read/27529642/insulinotropic-effects-of-whey-mechanisms-of-action-recent-clinical-trials-and-clinical-applications
#17
Rachel L Adams, Kenneth Shane Broughton
BACKGROUND: The insulinotropic effect of whey protein is not fully understood and has clinical implications in the regulation of chronic and acute hyperglycemia. SUMMARY: This review describes the composition of whey protein and potential mechanisms through which whey exerts an insulinotropic effect, including increasing the gastric emptying rate, effect on incretin hormones particularly gastric inhibitory peptide and glucagon-like polypeptide-1, and whey's role as a dipeptidyl peptidase IV inhibitor...
2016: Annals of Nutrition & Metabolism
https://www.readbyqxmd.com/read/27509198/pyridyl-alanine-as-a-hydrophilic-aromatic-element-in-peptide-structural-optimization
#18
Piotr A Mroz, Diego Perez-Tilve, Fa Liu, Vasily Gelfanov, Richard D DiMarchi, John P Mayer
Glucagon (Gcg) 1 serves a seminal physiological role in buffering against hypoglycemia, but its poor biophysical properties severely complicate its medicinal use. We report a series of novel glucagon analogues of enhanced aqueous solubility and stability at neutral pH, anchored by Gcg[Aib16]. Incorporation of 3- and 4-pyridyl-alanine (3-Pal and 4-Pal) enhanced aqueous solubility of glucagon while maintaining biological properties. Relative to native hormone, analogue 9 (Gcg[3-Pal6,10,13, Aib16]) demonstrated superior biophysical character, better suitability for medicinal purposes, and comparable pharmacology against insulin-induced hypoglycemia in rats and pigs...
September 8, 2016: Journal of Medicinal Chemistry
https://www.readbyqxmd.com/read/27501183/%C3%AE-cell-glucagon-like-peptide-1-receptor-contributes-to-improved-glucose-tolerance-after-vertical-sleeve-gastrectomy
#19
Darline Garibay, Anne K McGavigan, Seon A Lee, James V Ficorilli, Amy L Cox, M Dodson Michael, Kyle W Sloop, Bethany P Cummings
Vertical sleeve gastrectomy (VSG) produces high rates of type 2 diabetes remission; however, the mechanisms responsible for this remain incompletely defined. Glucagon-like peptide-1 (GLP-1) is a gut hormone that contributes to the maintenance of glucose homeostasis and is elevated after VSG. VSG-induced increases in postprandial GLP-1 secretion have been proposed to contribute to the glucoregulatory benefits of VSG; however, previous work has been equivocal. In order to test the contribution of enhanced β-cell GLP-1 receptor (GLP-1R) signaling we used a β-cell-specific tamoxifen-inducible GLP-1R knockout mouse model...
September 2016: Endocrinology
https://www.readbyqxmd.com/read/27435156/glucagon-like-peptide-1-receptor-signalling-reduces-microvascular-thrombosis-nitrosative-and-oxidative-stress-systemic-inflammation-and-platelet-activation-in-endotoxaemic-mice
#20
Sebastian Steven, Kerstin Jurk, Maximilian Kopp, Swenja Kröller-Schön, Yuliya Mikhed, Kathrin Schwierczek, Siyer Roohani, Fatemeh Kashani, Matthias Oelze, Thomas Klein, Sergey Tokalov, Sven Danckwardt, Susanne Strand, Philip Wenzel, Thomas Münzel, Andreas Daiber
BACKGROUND AND PURPOSE: Excessive inflammation in sepsis causes microvascular thrombosis and thrombocytopenia associated with organ dysfunction and high mortality. The present studies aimed to investigate whether dipeptidyl peptidase-4 (DPP-4) inhibition and supplementation with glucagon-like peptide-1 (GLP-1) analogues improves endotoxaemia-associated microvascular thrombosis via immunomodulatory effects. EXPERIMENTAL APPROACH: Endotoxaemia was induced in C57BL/6 J mice by single injection of lipopolysaccharide (LPS) (17...
July 19, 2016: British Journal of Pharmacology
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