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Glucagon like peptide 2

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https://www.readbyqxmd.com/read/28635324/gliptins-suppress-inflammatory-macrophage-activation-to-mitigate-inflammation-fibrosis-oxidative-stress-and-vascular-dysfunction-in-models-of-non-alcoholic-steatohepatitis-and-liver-fibrosis
#1
Xiaoyu Wang, Michael Hausding, Shih-Yen Weng, Yong Ook Kim, Sebastian Steven, Thomas Klein, Andreas Daiber, Detlef Schuppan
AIMS: Non-alcoholic steatohepatitis (NASH) is characterized by steatosis, panlobular inflammation, liver fibrosis and increased cardiovascular mortality. Dipeptidyl peptidase-4 (DPP-4) inhibitors (gliptins) are indirect glucagon like peptide 1 (GLP-1) agonists with antidiabetic and anti-inflammatory activity, used for the treatment of type 2 diabetes. Their potential and underlying mechanisms to treat metabolic liver inflammation and fibrosis as well as the associated vascular dysfunction remain to be explored...
June 21, 2017: Antioxidants & Redox Signaling
https://www.readbyqxmd.com/read/28631762/-safety-and-tolerability-of-oral-hypoglycemic-therapies-in-type-2-diabetes-mellitus-patients-at-high-cardiovascular-risk
#2
Giuseppe Ambrosio, Gaetano M De Ferrari, Massimo Federici, Pasquale Perrone Filardi
Oral hypoglycemic drugs for type 2 diabetes aim at preventing the metabolic effects of hyperglycemia and cardiovascular (CV) events. The evidence of the possible CV risk related to the prescription of some antidiabetic drugs prompted regulatory agencies to require safety studies. This review provides an updated analysis of CV safety profiles for antidiabetic drugs used for the treatment of patients with high CV risk.The most recent studies analyze different aspects of CV morbidity, such as ischemic events, heart failure and arrhythmia, and their interactions with hyperglycemia...
June 2017: Giornale Italiano di Cardiologia
https://www.readbyqxmd.com/read/28630262/dipeptidyl-peptidase-4-inhibitor-anagliptin-prevents-intracranial-aneurysm-growth-by-suppressing-macrophage-infiltration-and-activation
#3
Taichi Ikedo, Manabu Minami, Hiroharu Kataoka, Kosuke Hayashi, Manabu Nagata, Risako Fujikawa, Sei Higuchi, Mika Yasui, Tomohiro Aoki, Miyuki Fukuda, Masayuki Yokode, Susumu Miyamoto
BACKGROUND: Chronic inflammation plays a key role in the pathogenesis of intracranial aneurysms (IAs). DPP-4 (dipeptidyl peptidase-4) inhibitors have anti-inflammatory effects, including suppressing macrophage infiltration, in various inflammatory models. We examined whether a DPP-4 inhibitor, anagliptin, could suppress the growth of IAs in a rodent aneurysm model. METHODS AND RESULTS: IAs were surgically induced in 7-week-old male Sprague Dawley rats, followed by oral administration of 300 mg/kg anagliptin...
June 19, 2017: Journal of the American Heart Association
https://www.readbyqxmd.com/read/28626167/a-human-glucagon-like-peptide-1-albumin-recombinant-protein-with-prolonged-hypoglycemic-effect-provides-efficient-and-beneficial-control-of-glucose-metabolism-in-diabetic-mice
#4
Caina Li, Miaomiao Yang, Guojiang Hou, Shuainan Liu, Yi Huan, Dongan Yu, Sujuan Sun, Quan Liu, Shousheng Yan, Zhufang Shen
GW002 is a recombinant protein engineered by fusing the C-terminal region of human glucagon-like peptide-1 (GLP-1) to the N-terminal region of human serum albumin (HSA) with a peptide linker. This study aims to evaluate its anti-diabetic effects both in vitro and vivo. The GLP-1 receptor-dependent luciferase reporter plasmid was transiently transfected in NIT-1 cells to calculate the half-maximal concentration (EC50) for GLP-1 receptor activation, and normal ICR mice and diabetic KKAy mice were acutely injected with GW002 (1, 3 and 9 mg/kg) subcutaneously to evaluate the hypoglycemic action, while the diabetic KKAy and db/db mice were treated with GW002 once daily for 7 weeks to evaluate the effects on glucose metabolism...
June 17, 2017: Biological & Pharmaceutical Bulletin
https://www.readbyqxmd.com/read/28625506/long-term-cost-effectiveness-of-two-glp-1-receptor-agonists-for-the-treatment-of-type-2-diabetes-mellitus-in-the-italian-setting-liraglutide-versus-lixisenatide
#5
Barnaby Hunt, Nana Kragh, Ceilidh C McConnachie, William J Valentine, Maria C Rossi, Roberta Montagnoli
PURPOSE: Maintaining glycemic control is the key treatment target for patients with type 2 diabetes mellitus. In addition, the glucagon-like peptide-1 (GLP-1) receptor agonists may be associated with other favorable treatment characteristics, such as reduction in body weight and reduced risk of hypoglycemia compared with traditional diabetes interventions. The aim of the present analysis was to compare the long-term cost-effectiveness of 2 GLP-1 receptor agonists, liraglutide 1.8 mg and lixisenatide 20 μg (both administered once daily), in the treatment of patients with type 2 diabetes failing to achieve glycemic control with metformin monotherapy in the Italian setting...
June 15, 2017: Clinical Therapeutics
https://www.readbyqxmd.com/read/28624122/glucagon-like-peptide-1-and-insulin-synergistically-activate-vagal-afferent-neurons
#6
Yusaku Iwasaki, Chayon Goswami, Toshihiko Yada
Intestinal glucagon-like peptide-1 (GLP-1) and pancreatic insulin, released postprandially, commonly regulate glucose metabolism. Recent clinical experience indicates that the GLP-1R agonist and insulin in combination, compared to insulin alone, results in better glycemic and weight controls in type 2 diabetic patients. These observations suggest possible interactive effect of these hormones. These hormones, in addition to peripherally controlling glycemia, exert central regulation of food intake and glucose metabolism, the effect at least partly mediated by signaling to the brain via the vagal afferents...
May 25, 2017: Neuropeptides
https://www.readbyqxmd.com/read/28619366/bpi-3016-a-novel-long-acting-hglp-1-analogue-for-the-treatment-of-type-2-diabetes-mellitus
#7
Lieming Ding, Sisi Lu, Yanping Wang, Haibo Chen, Wei Long, Cunbo Ma, Erlong He, Dan Yan, Fenlai Tan
Glucagon-like peptide-1 (GLP-1) analogues have been commonly used as add-on medications for patients with Type 2 diabetes mellitus (T2DM). Currently, the development of long-acting GLP-1 analogues which allow the freedom and flexibility of once-weekly injections while maintaining their potency for a relatively long period has become the mainstream. Here, we successfully developed a long-acting human GLP-1(7-37) analogue (BPI-3016) with significantly extended half-life and increased resistance to dipeptidyl peptidase IV (DPP-IV) cleavage by structural modifications of human GLP-1...
June 13, 2017: Pharmacological Research: the Official Journal of the Italian Pharmacological Society
https://www.readbyqxmd.com/read/28616805/effects-of-insulin-plus-glucagon-like-peptide-1-receptor-agonists-glp-1ras-in-treating-type-1-diabetes-mellitus-a-systematic-review-and-meta-analysis
#8
REVIEW
Weihao Wang, Hongyan Liu, Shumin Xiao, Shuaihui Liu, Xin Li, Pei Yu
INTRODUCTION: Combination therapy with insulin and glucagon-like peptide-1 receptor agonists (GLP-1RAs) has already been proven an efficient treatment option for type 2 diabetes. This combination can effectively improve glycated hemoglobin levels, cause weight loss and reduce the dosage of insulin. In addition, it can also reduce the risk of hypoglycemia. Several randomized controlled trials have confirmed that this treatment may be just as effective for type 1 diabetes mellitus (T1DM) patients...
June 14, 2017: Diabetes Therapy: Research, Treatment and Education of Diabetes and related Disorders
https://www.readbyqxmd.com/read/28615376/smell-and-taste-dysfunction-is-associated-with-higher-serum-total-cholesterol-concentrations-in-chinese-adults
#9
Zhe Huang, Shue Huang, Hongliang Cong, Zheng Li, Junjuan Li, Kathleen L Keller, Gregory C Shearer, Penny M Kris-Etherton, Shouling Wu, Xiang Gao
Background: Several lipid-related hormones and peptides, such as glucagon-like peptide-1 and leptin, are involved in the regulation of taste and smell function. However, to our knowledge, it remains unknown whether these chemosensory functions are associated with lipid profiles.Objective: We examined the cross-sectional association between taste and smell dysfunction and blood cholesterol concentrations.Methods: With the use of a questionnaire, we assessed chronic smell and taste dysfunction in 12,627 Chinese participants (10,418 men and 2209 women; mean age: 54...
June 14, 2017: Journal of Nutrition
https://www.readbyqxmd.com/read/28609478/purification-of-family-b-g-protein-coupled-receptors-using-nanodiscs-application-to-human-glucagon-like-peptide-1-receptor
#10
Yingying Cai, Yuting Liu, Kelly J Culhane, Brian T DeVree, Yang Yang, Roger K Sunahara, Elsa C Y Yan
Family B G protein-coupled receptors (GPCRs) play vital roles in hormone-regulated homeostasis. They are drug targets for metabolic diseases, including type 2 diabetes and osteoporosis. Despite their importance, the signaling mechanisms for family B GPCRs at the molecular level remain largely unexplored due to the challenges in purification of functional receptors in sufficient amount for biophysical characterization. Here, we purified the family B GPCR human glucagon-like peptide-1 (GLP-1) receptor (GLP1R), whose agonists, e...
2017: PloS One
https://www.readbyqxmd.com/read/28608285/the-glp-1-analogue-lixisenatide-decreases-atherosclerosis-in-insulin-resistant-mice-by-modulating-macrophage-phenotype
#11
Ángela Vinué, Jorge Navarro, Andrea Herrero-Cervera, Marta García-Cubas, Irene Andrés-Blasco, Sergio Martínez-Hervás, José T Real, Juan F Ascaso, Herminia González-Navarro
AIMS/HYPOTHESIS: Recent clinical studies indicate that glucagon-like peptide-1 (GLP-1) analogues prevent acute cardiovascular events in type 2 diabetes mellitus but their mechanisms remain unknown. In the present study, the impact of GLP-1 analogues and their potential underlying molecular mechanisms in insulin resistance and atherosclerosis are investigated. METHODS: Atherosclerosis development was evaluated in Apoe (-/-) Irs2 (+/-) mice, a mouse model of insulin resistance, the metabolic syndrome and atherosclerosis, treated with the GLP-1 analogues lixisenatide or liraglutide...
June 12, 2017: Diabetologia
https://www.readbyqxmd.com/read/28605280/the-gut-a-key-to-the-pathogenesis-of-type-2-diabetes
#12
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/28601988/surgical-and-advanced-medical-therapy-for-the-treatment-of-type-2-diabetes-in-class-i-obese-patients-a-short-term-outcome
#13
Mohit Bhandari, Winni Mathur, Ravindra Kumar, Arun Mishra, Mahak Bhandari
BACKGROUND: Bariatric surgery, incretin-based therapy (glucagon-like peptide-1 analogues), and sodium-glucose co-transporter 2 (SGLT2) inhibitors have antidiabetic properties in morbidly obese patients. However, their comparative efficacy in treating type 2 diabetes mellitus (T2DM) in class I obese patients specifically in Indian has not been studied yet. This study evaluates and compares the efficacy and side effect of surgical and advanced medical management of T2DM in class I obese patients...
June 11, 2017: Obesity Surgery
https://www.readbyqxmd.com/read/28601891/effect-of-liraglutide-treatment-on-prediabetes-and-overweight-or-obesity-in-clozapine-or-olanzapine-treated-patients-with-schizophrenia-spectrum-disorder-a-randomized-clinical-trial
#14
Julie R Larsen, Louise Vedtofte, Mathilde S L Jakobsen, Hans R Jespersen, Michelle I Jakobsen, Camilla K Svensson, Kamuran Koyuncu, Ole Schjerning, Peter S Oturai, Andreas Kjaer, Jimmi Nielsen, Jens J Holst, Claus T Ekstrøm, Christoph U Correll, Tina Vilsbøll, Anders Fink-Jensen
Importance: Compared with the general population, patients with schizophrenia have a 2- to 3-fold higher mortality rate primarily caused by cardiovascular disease. Previous interventions designed to counteract antipsychotic-induced weight gain and cardiometabolic disturbances reported limited effects. Objectives: To determine the effects of the glucagon-like peptide-1 receptor agonist liraglutide added to clozapine or olanzapine treatment of schizophrenia spectrum disorders...
June 10, 2017: JAMA Psychiatry
https://www.readbyqxmd.com/read/28599244/cb-1r-and-glp-1r-gene-expressions-and-oxidative-stress-in-the-liver-of-diabetic-rats-treated-with-sitagliptin
#15
Zeynep Mine Coskun, Meral Koyuturk, Sezin Karabulut, Sema Bolkent
BACKGROUND: Type 2 diabetes is a major health problem affecting millions of people. Controlled eating and regular physical activity are important for the management of type 2 diabetes. Dipeptidyl peptidase-4 enzyme (DPP-4) inhibitor sitagliptin is a potent agent for the treatment of type-2 diabetes. The aim of this study was to examine the effects of sitagliptin on the liver of rats with streptozotocin (STZ)-induced diabetes, in terms of (i) the expression levels of the cannabinoid 1 receptor (CB-1R) and glucagon-like peptide 1 receptor (GLP-1R), (ii) alterations in the number and localization of these peptides, and (iii) changes in histological and oxidative damage...
March 20, 2017: Pharmacological Reports: PR
https://www.readbyqxmd.com/read/28596247/incretin-based-treatments-and-mortality-in-patients-with-type-2-diabetes-systematic-review-and-meta-analysis
#16
REVIEW
Jiali Liu, Ling Li, Ke Deng, Chang Xu, Jason W Busse, Per Olav Vandvik, Sheyu Li, Gordon H Guyatt, Xin Sun
Objective To assess the impact of incretin based treatment on all cause mortality in patients with type 2 diabetes.Design Systematic review and meta-analysis of randomised trials.Data sources Medline, Embase, the Cochrane Central Register of Controlled Trials (CENTRAL), and ClinicalTrials.gov.Eligibility criteria Randomised controlled trials that compared glucagon-like peptide-1 (GLP-1) receptor agonists or dipeptidyl peptidase-4 (DPP-4) inhibitors with placebo or active anti-diabetic drugs in patients with type 2 diabetes...
June 8, 2017: BMJ: British Medical Journal
https://www.readbyqxmd.com/read/28596237/the-snare-protein-syntaxin1a-plays-an-essential-role-in-biphasic-exocytosis-of-the-incretin-hormone-glucagon-like-peptide-1
#17
Sarah E Wheeler, Holly M Stacey, Yasaman Nahaei, Stephen J Hale, Alexandre B Hardy, Frank Reimann, Fiona M Gribble, Pierre Larraufie, Herbert Y Gaisano, Patricia L Brubaker
Exocytosis of the hormone, glucagon-like peptide-1 (GLP-1), by the intestinal L-cell is essential for the incretin effect after nutrient ingestion, and is critical for the actions of dipeptidylpeptidase IV inhibitors that enhance GLP-1 levels in patients with type 2 diabetes. 2-Photon microscopy revealed that exocytosis of GLP-1 is biphasic, with a 1(st) peak at 1-6min and a 2(nd) peak at 7-12min after stimulation with forskolin. Approximately 75% of the exocytotic events were represented by compound granule fusion, and the remainder were accounted for by full fusion of single granules, under basal and stimulated conditions...
June 8, 2017: Diabetes
https://www.readbyqxmd.com/read/28595189/increased-incretin-but-not-insulin-response-after-oral-versus-intravenous-branched-chain-amino-acids
#18
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/28592636/interleukin-6-protects-pancreatic-%C3%AE-cells-from-apoptosis-by-stimulation-of-autophagy
#19
Amelia K Linnemann, Joseph Blumer, Michelle R Marasco, Therese J Battiola, Heidi M Umhoefer, Jee Young Han, Dudley W Lamming, Dawn Belt Davis
IL-6 is a pleiotropic cytokine with complex roles in inflammation and metabolic disease. The role of IL-6 as a pro- or anti-inflammatory cytokine is still unclear. Within the pancreatic islet, IL-6 stimulates secretion of the prosurvival incretin hormone glucagon-like peptide 1 (GLP-1) by α cells and acts directly on β cells to stimulate insulin secretion in vitro Uncovering physiologic mechanisms promoting β-cell survival under conditions of inflammation and stress can identify important pathways for diabetes prevention and treatment...
June 7, 2017: FASEB Journal: Official Publication of the Federation of American Societies for Experimental Biology
https://www.readbyqxmd.com/read/28587789/once-weekly-glucagon-like-peptide-1-receptor-agonist-albiglutide-vs-prandial-insulin-added-to-basal-insulin-in-patients-with-type-2-diabetes-mellitus-results-over-52-weeks
#20
Lawrence A Leiter, Jorge Luiz Gross, Francis Chow, Diane Miller, Susan Johnson, Bo Ahrén
We have previously reported that once-weekly albiglutide was noninferior to thrice-daily lispro for glycemic lowering, with decreased weight and risk of hypoglycemia, in patients inadequately controlled on basal insulin over 26 weeks. Findings after 52 weeks reveal similar responses to albiglutide as an add-on to insulin glargine.
May 25, 2017: Journal of Diabetes and its Complications
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