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https://www.readbyqxmd.com/read/28633506/role-of-glucagon-like-peptide-1and-gastric-inhibitory-peptide-in-anorexia-induction-following-oral-exposure-to-the-trichothecene-mycotoxin-deoxynivalenol-vomitoxin
#1
Hui Jia, Wen-Da Wu, Xi Lu, Jie Zhang, Cheng-Hua He, Hai-Bin Zhang
Deoxynivalenol (DON), which is a Type B trichothecene mycotoxin produced by Fusarium, frequently contaminates cereal staples, such as wheat, barley and corn. DON threatens animal and human health by suppressing food intake and impairing growth. While anorexia induction in mice exposed to DON has been linked to the elevation of the satiety hormones cholecystokinin (CCK) and peptide YY3-36(PYY3-36) in plasma, the effects of DON on the release of other satiety hormones, such as glucagon-like peptide-1 (GLP-1) and gastric inhibitory peptide (GIP), have not been established...
June 19, 2017: Toxicological Sciences: An Official Journal of the Society of Toxicology
https://www.readbyqxmd.com/read/28630465/changes-in-pore-structure-of-coal-caused-by-coal-to-gas-bioconversion
#2
Rui Zhang, Shimin Liu, Jitendra Bahadur, Derek Elsworth, Yi Wang, Guanglong Hu, Yanna Liang
Microbial enhanced coalbed methane (ME-CBM) recovery is critically examined as a viable technology for natural gas recovery from coalbed methane (CBM) reservoirs. Since the majority of gas-in-place (GIP) is stored as an adsorbed phase in fine pores of coal matrix, the nano-pore structure directly influences gas storage and transport properties. Only limited studies have quantified the alteration of the nano-pore structure due to ME-CBM treatment. This study examines the evolution of the pore structure using a combination of small angle X-ray scattering (SAXS), low-pressure N2 and CO2 adsorption (LPGA) and high-pressure methane adsorption methods...
June 19, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28611149/glucagon-like-peptide-1-and-glucose-dependent-insulinotropic-peptide-effects-alone-and-in-combination-on-insulin-secretion-and-glucose-disappearance-in-mice
#3
Giovanni Pacini, Bo Ahrén
Glucagon-like peptide-1 (GLP-1) and glucose-dependent insulinotropic peptide (GIP) stimulate insulin secretion. They are both released after meal ingestion, and therefore they might cooperate in their actions. However, whether there is a cooperative action of the two incretins is not known. This study therefore investigated the effects on insulin secretion and glucose disappearance of GLP-1 and GIP when given together with intravenous glucose both alone and in combination in mice. Four different doses were used (0...
June 2017: Physiological Reports
https://www.readbyqxmd.com/read/28610922/central-administration-of-glp-1-and-gip-decreases-feeding-in-mice
#4
Cherl NamKoong, Min Sun Kim, Byeong-Tak Jang, Young Hee Lee, Young-Min Cho, Hyung Jin Choi
Glucagon-like peptide-1 amide (GLP-1) and gastric inhibitory polypeptide (GIP) are incretin hormones regulating energy metabolism. GLP-1 and GIP combination is suggested as a promising therapeutic strategy for treatment of obesity and diabetes. However, the neuronal mechanisms are not yet investigated. In the present study, we investigated the role of central GLP-1 and GIP in regulation of body weight homeostasis. The effect of GLP-1 with GIP on food intake, body weight, locomotor activity were determined following intracerebroventricular (ICV) administration of GLP-1 and/or GIP in mice...
June 10, 2017: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/28605280/the-gut-a-key-to-the-pathogenesis-of-type-2-diabetes
#5
Jens Juul Holst, Jens Pedersen, Nicolai Jacob Wewer Albrechtsen, Filip Krag Knop
In this communication we discuss the role of the gut for the development of type 2 diabetes mellitus (T2DM). Gastric emptying rates importantly determine postprandial glucose excursions and regulate postprandial secretion of the incretin hormones, glucose-dependent insulinotropic polypeptide (GIP), and glucagon-like peptide-1 (GLP-1). It thereby also determines their powerful, amplifying effect on glucose-induced insulin secretion and thus the ability of the body to regulate glucose disposal. Although disturbances in gastric emptying are not consistent findings in type 2 diabetes, the incretin system is seriously impaired, probably associated with insulin resistance and obesity...
June 12, 2017: Metabolic Syndrome and related Disorders
https://www.readbyqxmd.com/read/28598027/a-novel-gip-analog-zp4165-enhances-glp-1-induced-body-weight-loss-and-improves-glycemic-control-in-rodents
#6
P K Nørregaard, M A Deryabina, P Tofteng Shelton, J U Fog, J R Daugaard, P Eriksson, L F Larsen, L Jessen
AIM: To investigate the effects of the novel GIP analog, ZP4165, on body weight and glycemic control in rodents. Additionally, to investigate if ZP4165 modulates the anti-obesity and anti-hyperglycemic effects of a GLP-1 agonist (liraglutide). METHODS: The acute insulinotropic effect of ZP4165 was investigated in rats during an oral glucose tolerance test. Long-term effects of ZP4165 on body weight and glycemic control, either alone or in combination with liraglutide, were assessed in diet-induced obese mice and diabetic db/db mice...
June 9, 2017: Diabetes, Obesity & Metabolism
https://www.readbyqxmd.com/read/28595189/increased-incretin-but-not-insulin-response-after-oral-versus-intravenous-branched-chain-amino-acids
#7
Jan Gojda, Radka Straková, Andrea Plíhalová, Petr Tůma, Jana Potočková, Jan Polák, Michal Anděl
BACKGROUND/AIMS: Branched chain amino acids (BCAAs) are known to exert an insulinotropic effect. Whether this effect is mediated by incretins (glucagon like peptide 1 [GLP-1] or glucose-dependent insulinotropic peptide [GIP]) is not known. The aim of this study was to show whether an equivalent dose of BCAA elicits a greater insulin and incretin response when administered orally than intravenously (IV). METHODS: Eighteen healthy, male subjects participated in 3 tests: IV application of BCAA solution, oral ingestion of BCAA and placebo in an equivalent dose (30...
June 9, 2017: Annals of Nutrition & Metabolism
https://www.readbyqxmd.com/read/28579289/effects-of-anti-somatostatin-agents-on-glucose-metabolism
#8
REVIEW
B Vergès
The anti-somatostatin agents used to treat acromegaly, Cushing's disease and neuroendocrine tumours also have hyperglycaemic effects. This is particularly true for pasireotide. Hyperglycaemic events are seen in 57-73% of patients with Cushing's treated with pasireotide, with a need to initiate antidiabetic treatment in about 50% of these patients. In acromegaly, treatment with pasireotide induces hyperglycaemia in 29-61% of patients. Pasireotide-induced hyperglycemia occurs early, within the first 3 months of treatment, due to a decrease in insulin secretion secondary to a fall in secretion of GLP-1 and GIP, and potentially also due to a direct inhibitory effect of pasireotide on beta cells...
June 1, 2017: Diabetes & Metabolism
https://www.readbyqxmd.com/read/28574484/seabuckthorn-leaves-extract-and-flavonoid-glycosides-extract-from-seabuckthorn-leaves-ameliorates-adiposity-hepatic-steatosis-insulin-resistance-and-inflammation-in-diet-induced-obesity
#9
Eun-Young Kwon, Jeonghyeon Lee, Ye Jin Kim, Ara Do, Ji-Young Choi, Su-Jung Cho, Un Ju Jung, Mi-Kyung Lee, Yong Bok Park, Myung-Sook Choi
The aim of the current study was to elucidate the effect of seabuckthorn leaves (SL) extract and flavonoid glycosides extract from seabuckthorn leaves (SLG) on diet-induced obesity and related metabolic disturbances, and additionally, to identify whether flavonoid glycosides and other components in SL can exert a possible interaction for the prevention of metabolic diseases by comparing the effect of SL and SLG. C57BL/6J mice were fed a normal diet (ND, AIN-93G purified diet), high-fat diet (HFD, 60 kcal% fat), HFD + 1...
June 2, 2017: Nutrients
https://www.readbyqxmd.com/read/28566273/an-expanded-genome-wide-association-study-of-type-2-diabetes-in-europeans
#10
Robert A Scott, Laura J Scott, Reedik Mägi, Letizia Marullo, Kyle J Gaulton, Marika Kaakinen, Natalia Pervjakova, Tune H Pers, Andrew D Johnson, John D Eicher, Anne U Jackson, Teresa Ferreira, Yeji Lee, Clement Ma, Valgerdur Steinthorsdottir, Gudmar Thorleifsson, Lu Qi, Natalie R Van Zuydam, Anubha Mahajan, Han Chen, Peter Almgren, Ben F Voight, Harald Grallert, Martina Müller-Nurasyid, Janina S Ried, William N Rayner, Neil Robertson, Lennart C Karssen, Elisabeth M van Leeuwen, Sara M Willems, Christian Fuchsberger, Phoenix Kwan, Tanya M Teslovich, Pritam Chanda, Man Li, Yingchang Lu, Christian Dina, Dorothee Thuillier, Loic Yengo, Longda Jiang, Thomas Sparso, Hans A Kestler, Himanshu Chheda, Lewin Eisele, Stefan Gustafsson, Mattias Frånberg, Rona J Strawbridge, Rafn Benediktsson, Astradur B Hreidarsson, Augustine Kong, Gunnar Sigurðsson, Nicola D Kerrison, Jian'an Luan, Liming Liang, Thomas Meitinger, Michael Roden, Barbara Thorand, Tõnu Esko, Evelin Mihailov, Caroline Fox, Ching-Ti Liu, Denis Rybin, Bo Isomaa, Valeriya Lyssenko, Tiinamaija Tuomi, David J Couper, James S Pankow, Niels Grarup, Christian T Have, Marit E Jørgensen, Torben Jørgensen, Allan Linneberg, Marilyn C Cornelis, Rob M van Dam, David J Hunter, Peter Kraft, Qi Sun, Sarah Edkins, Katharine R Owen, John Rb Perry, Andrew R Wood, Eleftheria Zeggini, Juan Tajes-Fernandes, Goncalo R Abecasis, Lori L Bonnycastle, Peter S Chines, Heather M Stringham, Heikki A Koistinen, Leena Kinnunen, Bengt Sennblad, Thomas W Mühleisen, Markus M Nöthen, Sonali Pechlivanis, Damiano Baldassarre, Karl Gertow, Steve E Humphries, Elena Tremoli, Norman Klopp, Julia Meyer, Gerald Steinbach, Roman Wennauer, Johan G Eriksson, Satu Mӓnnistö, Leena Peltonen, Emmi Tikkanen, Guillaume Charpentier, Elodie Eury, Stéphane Lobbens, Bruna Gigante, Karin Leander, Olga McLeod, Erwin P Bottinger, Omri Gottesman, Douglas Ruderfer, Matthias Blüher, Peter Kovacs, Anke Tonjes, Nisa M Maruthur, Chiara Scapoli, Raimund Erbel, Karl-Heinz Jöckel, Susanne Moebus, Ulf de Faire, Anders Hamsten, Michael Stumvoll, Panagiotis Deloukas, Peter J Donnelly, Timothy M Frayling, Andrew T Hattersley, Samuli Ripatti, Veikko Salomaa, Nancy L Pedersen, Bernhard O Boehm, Richard N Bergman, Francis S Collins, Karen L Mohlke, Jaakko Tuomilehto, Torben Hansen, Oluf Pedersen, Inês Barroso, Lars Lannfelt, Erik Ingelsson, Lars Lind, Cecilia M Lindgren, Stephane Cauchi, Philippe Froguel, Ruth Jf Loos, Beverley Balkau, Heiner Boeing, Paul W Franks, Aurelio Barricarte Gurrea, Domenico Palli, Yvonne T van der Schouw, David Altshuler, Leif C Groop, Claudia Langenberg, Nicholas J Wareham, Eric Sijbrands, Cornelia M van Duijn, Jose C Florez, James B Meigs, Eric Boerwinkle, Christian Gieger, Konstantin Strauch, Andres Metspalu, Andrew D Morris, Colin Na Palmer, Frank B Hu, Unnur Thorsteinsdottir, Kari Stefansson, Josée Dupuis, Andrew P Morris, Michael Boehnke, Mark I McCarthy, Inga Prokopenko
To characterise type 2 diabetes (T2D) associated variation across the allele frequency spectrum, we conducted a meta-analysis of genome-wide association data from 26,676 T2D cases and 132,532 controls of European ancestry after imputation using the 1000 Genomes multi-ethnic reference panel. Promising association signals were followed-up in additional data sets (of 14,545 or 7,397 T2D cases and 38,994 or 71,604 controls). We identified 13 novel T2D-associated loci (p<5×10(-8)), including variants near the GLP2R, GIP, and HLA-DQA1 genes...
May 31, 2017: Diabetes
https://www.readbyqxmd.com/read/28565879/difference-in-protective-effects-of-gip-and-glp-1-on-endothelial-cells-according-to-cyclic-adenosine-monophosphate-response
#11
Dong-Mee Lim, Keun-Young Park, Won-Min Hwang, Ju-Young Kim, Byung-Joon Kim
Receptors for glucose-dependent insulinotropic polypeptide (GIP) and glucagon-like peptide 1 (GLP-1) are present in vascular endothelial cells. Previous studies investigating euglycemic status have demonstrated that GIP is directly involved in the physiology of blood vessels by controlling the blood flow rate of portal veins and that GLP-1 has a protective effect on blood vessels by acting on endothelial cells. However, to the best of our knowledge, the effects of GIP and GLP-1 on endothelial cells in patients with hyperglycemia remain unknown...
May 2017: Experimental and Therapeutic Medicine
https://www.readbyqxmd.com/read/28562379/dexrazoxane-added-to-doxorubicin-based-adjuvant-chemotherapy-of-breast-cancer-a-retrospective-cohort-study-with-a-comparative-analysis-of-toxicity-and-survival
#12
Esther Tahover, Amiel Segal, Rut Isacson, Ora Rosengarten, Tal Grenader, Maya Gips, Nathan Cherny, Norman I Heching, Lior Mesika, Raphael Catane, Alberto Gabizon
Dexrazoxane is indicated as a cardioprotective agent for patients receiving doxorubicin who are at increased risk for cardiotoxicity. Concerns have been raised on the use of dexrazoxane, particularly in adjuvant therapy, because of the risk of interference with the antitumor effect of doxorubicin. Two meta-analyses in metastatic breast cancer have rejected this hypothesis, but have shown an apparent increase in the severity of myelosuppression when dexrazoxane is used. Here, we analyzed retrospectively a cohort of our institute database to assess whether the addition of dexrazoxane causes more bone marrow suppression in breast cancer patients receiving doxorubicin-based adjuvant therapy...
May 30, 2017: Anti-cancer Drugs
https://www.readbyqxmd.com/read/28552096/the-role-of-incretin-hormones-and-glucagon-in-patients-with-liver-disease
#13
Anders Ellekær Junker
Non-alcoholic fatty liver disease (NAFLD) is defined as hepatic steatosis exceeding 5% of hepatocytes with no other reason for hepatic fat accumulation. The association between NAFLD and type 2 diabetes is strong. Accordingly, up to 70% of obese patients with type 2 diabetes have NAFLD. The spectrum of NAFLD ranges from simple steatosis to non-alcoholic steatohepatitis with variable degrees of fibrosis and cirrhosis. Cirrhosis is the end-stage of chronic liver disease and is characterised by diffuse fibrosis and nodular regeneration of hepatocytes...
May 2017: Danish Medical Journal
https://www.readbyqxmd.com/read/28544214/do-we-know-the-true-mechanism-of-action-of-the-dpp-4-inhibitors
#14
REVIEW
Emilie Skytte Andersen, Carolyn F Deacon, Jens Juul Holst
The prevalence of type 2 diabetes is increasing which is alarming because of its serious complications. Antidiabetic treatment aims to control glucose homeostasis as tightly as possible in order to reduce these complications. Dipeptidyl peptidase-4 (DPP-4) inhibitors are a recent addition to the antidiabetic treatment modalities, and have become widely accepted because of their good efficacy, their benign side effect profile and their low hypoglycaemia risk. The actions of DPP-4 inhibitors are not direct, but rather are mediated indirectly through preservation of the substrates they protect from degradation...
May 24, 2017: Diabetes, Obesity & Metabolism
https://www.readbyqxmd.com/read/28530680/the-effect-of-glucose-dependent-insulinotropic-polypeptide-gip-variants-on-visceral-fat-accumulation-in-han-chinese-populations
#15
T Wang, X Ma, T Tang, K Higuchi, D Peng, R Zhang, M Chen, J Yan, S Wang, D Yan, Z He, F Jiang, Y Bao, W Jia, K Ishida, C Hu
OBJECTIVES: We aim to validate the effects of glucose-dependent insulinotropic polypeptide (GIP) on fat distribution and glucose metabolism in Han Chinese populations. METHODS: We genotyped six tag single-nucleotide polymorphisms (SNPs) of GIP and four tag SNPs of glucose-dependent insulinotropic polypeptide receptor (GIPR) among 2884 community-based individuals from Han Chinese populations. Linear analysis was applied to test the associations of these variants with visceral fat area (VFA) and subcutaneous fat area (SFA) quantified by magnetic resonance imaging as well as glucose-related traits...
May 22, 2017: Nutrition & Diabetes
https://www.readbyqxmd.com/read/28500246/closing-the-theory-to-practice-gap-for-newly-qualified-doctors-evaluation-of-a-peer-delivered-practical-skills-training-course-for-newly-qualified-doctors-in-preparation-for-clinical-practice
#16
A Beane, A Padeniya, A P De Silva, T Stephens, S De Alwis, P G Mahipala, P C Sigera, S Munasinghe, P Weeratunga, D Ranasinghe, E M Deshani, T Weerasinghe, K Thilakasiri, Kas Jayasinghe, A M Dondorp, R Haniffa
PURPOSE: The Good Intern Programme (GIP) in Sri Lanka has been implemented to bridge the 'theory to practice gap' of doctors preparing for their internship. This paper evaluates the impact of a 2-day peer-delivered Acute Care Skills Training (ACST) course as part of the GIP. STUDY DESIGN: The ACST course was developed by an interprofessional faculty, including newly graduated doctors awaiting internship (pre-intern), focusing on the recognition and management of common medical and surgical emergencies...
May 12, 2017: Postgraduate Medical Journal
https://www.readbyqxmd.com/read/28462078/monomeric-glp-1-gip-glucagon-triagonism-corrects-obesity-hepatosteatosis-and-dyslipidemia-in-female-mice
#17
Sigrid Jall, Stephan Sachs, Christoffer Clemmensen, Brian Finan, Frauke Neff, Richard D DiMarchi, Matthias H Tschöp, Timo D Müller, Susanna M Hofmann
OBJECTIVE: Obesity is a major health threat that affects men and women equally. Despite this fact, weight-loss potential of pharmacotherapies is typically first evaluated in male mouse models of diet-induced obesity (DIO). To address this disparity we herein determined whether a monomeric peptide with agonism at the receptors for glucagon-like peptide 1 (GLP-1), glucose-dependent insulinotropic polypeptide (GIP), and glucagon is equally efficient in correcting DIO, dyslipidemia, and glucose metabolism in DIO female mice as it has been previously established for DIO male mice...
May 2017: Molecular Metabolism
https://www.readbyqxmd.com/read/28452237/glp-1-and-gip-levels-in-patients-with-hyperthyroidism-the-effect-of-antithyroid-treatment
#18
Duygu Kalkan Cira, Ramazan Sari, Sebahat Ozdem, Nusret Yilmaz, Selen Bozkurt
BACKGROUND: Incretin hormones (glucagon-like peptide-1 [GLP-1] and gastric inhibitory polypeptide [GIP]) may play a role in the development of glucose intolerance and hyperglycemia in patients with hyperthyroidism. OBJECTIVE: We aimed to assess both incretin levels and treatment-induced changes in incretin levels in those with hyperthyroidism. METHODS: A total of 24 subjects (12 with hyperthyroidism and 12 healthy) were enrolled in the study...
April 1, 2017: Annals of Pharmacotherapy
https://www.readbyqxmd.com/read/28442042/growth-arrest-specific-1-gas1-and-glial-cell-line-derived-neurotrophic-factor-receptor-%C3%AE-1-gfr%C3%AE-1-two-mouse-oocyte-glycosylphosphatidylinositol-anchored-proteins-are-involved-in-fertilisation
#19
M Agopiantz, L Xandre-Rodriguez, B Jin, G Urbistondoy, C Ialy-Radio, M Chalbi, J-P Wolf, A Ziyyat, B Lefèvre
Recently, Juno, the oocyte receptor for Izumo1, a male immunoglobulin, was discovered. Juno is an essential glycosylphosphatidylinositol (GIP)-anchored protein. This result did not exclude the participation of other GIP-anchored proteins in this process. After bibliographic and database searches we selected five GIP-anchored proteins (Cpm, Ephrin-A4, Gas1, Gfra1 and Rgmb) as potential oocyte candidates participating in fertilisation. Western blot and immunofluorescence analyses showed that only three were present on the mouse ovulated oocyte membrane and, of these, only two were clearly involved in the fertilisation process, namely growth arrest specific 1 (Gas1) and glial cell line-derived neurotrophic factor receptor α1 (Gfrα1)...
April 2017: Reproduction, Fertility, and Development
https://www.readbyqxmd.com/read/28441725/sweet-taste-receptor-activation-in-the-gut-is-of-limited-importance-for-glucose-stimulated-glp-1-and-gip-secretion
#20
Monika Y Saltiel, Rune E Kuhre, Charlotte B Christiansen, Rasmus Eliasen, Kilian W Conde-Frieboes, Mette M Rosenkilde, Jens J Holst
Glucose stimulates the secretion of the incretin hormones: glucagon-like peptide-1 (GLP-1) and glucose-dependent insulinotropic peptide (GIP). It is debated whether the sweet taste receptor (STR) triggers this secretion. We investigated the role of STR activation for glucose-stimulated incretin secretion from an isolated perfused rat small intestine and whether selective STR activation by artificial sweeteners stimulates secretion. Intra-luminal administration of the STR agonists, acesulfame K (3.85% w/v), but not sucralose (1...
April 22, 2017: Nutrients
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