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https://www.readbyqxmd.com/read/29450114/flavonoid-rich-extract-of-chromolaena-odorata-modulate-circulating-glp-1-in-wistar-rats-computational-evaluation-of-tgr5-involvement
#1
Olaposi Idowu Omotuyi, Oyekanmi Nash, Olumide Kayode Inyang, Joyce Ogidigo, Ojochenemi Enejoh, Okiemute Okpalefe, Tsuyoshi Hamada
Chromolaena odorata is a major bio-resource in folkloric treatment of diabetes. In the present study, its anti-diabetic component and underlying mechanism were investigated. A library containing 140 phytocompounds previously characterized from C. odorata was generated and docked (Autodock Vina) into homology models of dipeptidyl peptidase (DPP)-4, Takeda-G-protein-receptor-5 (TGR5), glucagon-like peptide 1 (GLP1) receptor, renal sodium dependent glucose transporter (SGLUT)-1/2 and nucleotide-binding oligomerization domain (NOD) proteins 1&2...
February 2018: 3 Biotech
https://www.readbyqxmd.com/read/29416857/glp1-and-gip-are-involved-in-the-action-of-synbiotics-in-broiler-chickens
#2
Pawel Antoni Kolodziejski, Maciej Sassek, Daniela Chalupka, Natalia Leciejewska, Leszek Nogowski, Pawel Mackowiak, Damian Jozefiak, Katarzyna Stadnicka, Maria Siwek, Marek Bednarczyk, Tomasz Szwaczkowski, Ewa Pruszynska-Oszmalek
Background: In order to discover new strategies to replace antibiotics in the post-antibiotic era in meat-type chicken production, two new synbiotics were tested: (Lactobacillus salivarius IBB3154 plus galactooligosaccharide (Syn1) and Lactobacillus plantarum IBB3036 plus raffinose family oligosaccharides (Syn2). Methods: The synbiotics were administered via syringe, using a special automatic system, into the egg air chamber of Cobb 500 broiler chicks on the 12th day of egg incubation (2 mg of prebiotics + 105 cfu bacteria per egg)...
2018: Journal of Animal Science and Biotechnology
https://www.readbyqxmd.com/read/29416634/loss-of-epithelium-specific-gpx2-results-in-aberrant-cell-fate-decisions-during-intestinal-differentiation
#3
Claudia Lennicke, Jette Rahn, Claudia Wickenhauser, Rudolf Lichtenfels, Andreas S Müller, Ludger A Wessjohann, Anna P Kipp, Barbara Seliger
The selenoprotein glutathione peroxidase 2 (GPx2) is expressed in the epithelium of the gastrointestinal tract, where it is thought to be involved in maintaining mucosal homeostasis. To gain novel insights into the role of GPx2, proteomic profiles of colonic tissues either derived from wild type (WT) or GPx2 knockout (KO) mice, maintained under selenium (Se) deficiency or adequate Se supplementation conditions were established and analyzed. Amongst the panel of differentially expressed proteins, the calcium-activated chloride channel regulator 1 (CLCA1) was significantly down-regulated in GPx2 KO versus WT mice regardless of the given Se status...
January 2, 2018: Oncotarget
https://www.readbyqxmd.com/read/29412812/intestinal-peptide-changes-after-bariatric-and-minimally-invasive-surgery-relation-to-diabetes-remission
#4
REVIEW
Lidia Castagneto Gissey, James Casella Mariolo, Geltrude Mingrone
Bariatric surgery is very effective in achieving and maintaining weight loss but it is also associated with improvement of obesity metabolic complications, primarily type 2 diabetes (T2D). Remission of T2D or at least a net improvement of glycemic control persists for at least 5 years. The bypass of duodenum and of the first portion of the jejunum up to the Treitz ligament as in Roux-en-Y Gastric Bypass (RYGB), or the bypass of the duodenum, the entire jejunum and the first tract of the ileum, such as in Bilio-Pancreatic Diversion (BPD), achieve different results on insulin sensitivity...
February 2018: Peptides
https://www.readbyqxmd.com/read/29409957/dpp-4-is-expressed-in-human-pancreatic-beta-cells-and-its-direct-inhibition-improves-beta-cell-function-and-survival-in-type-2-diabetes
#5
Marco Bugliani, Farooq Syed, Flavia M M Paula, Bilal A Omar, Mara Suleiman, Sandra Mossuto, Francesca Grano, Francesco Cardarelli, Ugo Boggi, Fabio Vistoli, Franco Filipponi, Paolo De Simone, Lorella Marselli, Vincenzo De Tata, Bo Ahren, Decio L Eizirik, Piero Marchetti
It has been reported that the incretin system, including regulated GLP-1 secretion and locally expressed DPP-4, is present in pancreatic islets. In this study we comprehensively evaluated the expression and role of DPP-4 in islet alpha and beta cells from non-diabetic (ND) and type 2 diabetic (T2D) individuals, including the effects of its inhibition on beta cell function and survival. Isolated islets were prepared from 25 ND and 18 T2D organ donors; studies were also performed with the human insulin-producing EndoC-βH1 cells...
January 31, 2018: Molecular and Cellular Endocrinology
https://www.readbyqxmd.com/read/29378946/method-to-generate-highly-stable-d-amino-acid-analogs-of-bioactive-helical-peptides-using-a-mirror-image-of-the-entire-pdb
#6
Michael Garton, Satra Nim, Tracy A Stone, Kyle Ethan Wang, Charles M Deber, Philip M Kim
Biologics are a rapidly growing class of therapeutics with many advantages over traditional small molecule drugs. A major obstacle to their development is that proteins and peptides are easily destroyed by proteases and, thus, typically have prohibitively short half-lives in human gut, plasma, and cells. One of the most effective ways to prevent degradation is to engineer analogs from dextrorotary (D)-amino acids, with up to 105-fold improvements in potency reported. We here propose a general peptide-engineering platform that overcomes limitations of previous methods...
January 29, 2018: Proceedings of the National Academy of Sciences of the United States of America
https://www.readbyqxmd.com/read/29368965/consensus-statement-by-the-american-association-of-clinical-endocrinologists-and-american-college-of-endocrinology-on-the-comprehensive-type-2-diabetes-management-algorithm-2018-executive-summary
#7
Alan J Garber, Martin J Abrahamson, Joshua I Barzilay, Lawrence Blonde, Zachary T Bloomgarden, Michael A Bush, Samuel Dagogo-Jack, Ralph A DeFronzo, Daniel Einhorn, Vivian A Fonseca, Jeffrey R Garber, W Timothy Garvey, George Grunberger, Yehuda Handelsman, Irl B Hirsch, Paul S Jellinger, Janet B McGill, Jeffrey I Mechanick, Paul D Rosenblit, Guillermo E Umpierrez
A1C = hemoglobin A1C; AACE = American Association of Clinical Endocrinologists; ACCORD = Action to Control Cardiovascular Risk in Diabetes; ACCORD BP = Action to Control Cardiovascular Risk in Diabetes Blood Pressure; ACEI = angiotensin-converting enzyme inhibitor; ADVANCE = Action in Diabetes and Vascular Disease: Preterax and Diamicron MR Controlled Evaluation; AGI = alpha-glucosidase inhibitor; apo B = apolipoprotein B; ASCVD = atherosclerotic cardiovascular disease; BAS = bile acid sequestrant; BCR-QR = bromocriptine quick release; BMI = body mass index; BP = blood pressure; CCB = calcium channel blocker; CHD = coronary heart disease; CKD = chronic kidney disease; CVD = cardiovascular disease; DASH = Dietary Approaches to Stop Hypertension; DPP4 = dipeptidyl peptidase 4; eGFR = estimated glomerular filtration rate; ER = extended release; FDA = Food and Drug Administration; GLP1 = glucagon-like peptide 1; HDL-C = high-density lipoprotein cholesterol; IMPROVE-IT = Improved Reduction of Outcomes: Vytorin Efficacy International Trial; LDL-C = low-density lipoprotein cholesterol; LDL-P = low-density lipoprotein particle; Look AHEAD = Look Action for Health in Diabetes; NPH = neutral protamine Hagedorn; OSA = obstructive sleep apnea; RCT = randomized controlled trial; SU = sulfonylurea; SGLT2 = sodium glucose cotransporter-2; SMBG = self-monitoring of blood glucose; T2D = type 2 diabetes; TZD = thiazolidinedione; VADT = Veterans Affairs Diabetes Trial...
January 2018: Endocrine Practice
https://www.readbyqxmd.com/read/29367876/insulinoma-presenting-with-post-prandial-hypoglycaemia-following-fundoplication
#8
Sarah Y Qian, Matthew J L Hare, Alan Pham, Duncan J Topliss
Insulinomas are rare neuroendocrine tumours that classically present with fasting hypoglycaemia. This case report discusses an uncommon and challenging case of insulinoma soon after upper gastrointestinal surgery. A 63-year-old man presented with 6 months of post-prandial hypoglycaemia beginning after a laparoscopic revision of Toupet fundoplication. Hyperinsulinaemic hypoglycaemia was confirmed during a spontaneous episode and in a mixed-meal test. Localisation studies including magnetic resonance imaging (MRI), endoscopic ultrasound (EUS) and gallium dotatate positron emission tomography ( 68 Ga Dotatate PET) were consistent with a small insulinoma in the mid-body of the pancreas...
2018: Endocrinology, Diabetes & Metabolism Case Reports
https://www.readbyqxmd.com/read/29357131/structure-and-function-of-bone-marrow-adipocytes
#9
Francisco José Albuquerque de Paula, Clifford J Rosen
Adipocytes are heterogeneous cells strongly linked to energy storage and disposal. In parallel, adipocytes are endowed with an extensive portfolio of endocrine molecules, whose secretion varies depending on nutritional status. Marrow adipose tissue (MAT) has specific characteristics that are not shared by white (WAT) or brown (BAT) adipose tissue. First, marrow adipocytes and osteoblasts are terminally differentiated cells that originate from the same bone marrow mesenchymal stromal cell. Differently from WAT adipocytes, marrow adipocytes expand under conditions of energy restriction and seem to be not influenced by energy surplus, at least in humans...
December 12, 2017: Comprehensive Physiology
https://www.readbyqxmd.com/read/29299622/a-novel-galactolipase-from-a-green-microalga-chlorella-kessleri-purification-characterization-molecular-cloning-and-heterologous-expression
#10
Shuhei Hashiro, Koyu Fujiuchi, Daisuke Sugimori, Hisashi Yasueda
We have identified an enzyme, galactolipase (ckGL), which hydrolyzes the acyl ester bond of galactolipids such as digalactosyldiacylglycerol (DGDG), in the microalga Chlorella kessleri. Following purification of the enzyme to electrophoretic homogeneity from cell-free extract, the maximum activity toward DGDG was observed at pH 6.5 and 37 °C. ckGL was Ca2+-dependent enzyme and displayed an apparent molecular mass of approx. 53 kDa on SDS-PAGE. The substrate specificity was in the order: DGDG (100%) > monogalactosyldiacylglycerol ≈ phosphatidylglycerol (~ 40%) > sulfoquinovosyldiacylglycerol (~ 20%); the enzyme exhibited almost no activity toward glycerides and other phospholipids...
January 3, 2018: Applied Microbiology and Biotechnology
https://www.readbyqxmd.com/read/29192276/protein-lysine-methyltransferases-g9a-and-glp1-promote-responses-to-dna-damage
#11
Vasudeva Ginjala, Lizahira Rodriguez-Colon, Bratati Ganguly, Prawallika Gangidi, Paul Gallina, Husam Al-Hraishawi, Atul Kulkarni, Jeremy Tang, Jinesh Gheeya, Srilatha Simhadri, Ming Yao, Bing Xia, Shridar Ganesan
Upon induction of DNA breaks, ATM activation leads to a cascade of local chromatin modifications that promote efficient recruitment of DNA repair proteins. Errors in this DNA repair pathway lead to genomic instability and cancer predisposition. Here, we show that the protein lysine methyltransferase G9a (also known as EHMT2) and GLP1 (also known as EHMT1) are critical components of the DNA repair pathway. G9a and GLP1 rapidly localizes to DNA breaks, with GLP1 localization being dependent on G9a. ATM phosphorylation of G9a on serine 569 is required for its recruitment to DNA breaks...
November 30, 2017: Scientific Reports
https://www.readbyqxmd.com/read/29165354/the-role-of-glucagon-like-peptide-1-glp1-in-type-3-diabetes-glp-1-controls-insulin-resistance-neuroinflammation-and-neurogenesis-in-the-brain
#12
REVIEW
Choon Sang Bae, Juhyun Song
Alzheimer's disease (AD), characterized by the aggregation of amyloid-β (Aβ) protein and neuroinflammation, is the most common neurodegenerative disease globally. Previous studies have reported that some AD patients show impaired glucose utilization in brain, leading to cognitive decline. Recently, diabetes-induced dementia has been called "type 3 diabetes", based on features in common with those of type 2 diabetes and the progression of AD. Impaired glucose uptake and insulin resistance in the brain are important issues in type 3 diabetes, because these problems ultimately aggravate memory dysfunction in the brain...
November 22, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/29135080/a-comparison-of-adherence-and-persistence-by-medication-class-in-type-2-diabetes-a-systematic-review-and-meta-analysis
#13
Andrew McGovern, Zayd Tippu, William Hinton, Neil Munro, Martin Whyte, Simon de Lusignan
Limited medication adherence and persistence are barriers to successful treatment in type 2 diabetes (T2D). We searched MEDLINE, EMBASE, The Cochrane Library, The Register of Controlled Trials, PsychINFO, and CINAHL for observational and interventional studies comparing medication adherence or persistence between two or more glucose lowering medications in people with T2D. Where several studies (n≥5) provided the same comparison a random effects meta-analysis was performed reporting mean difference (MD), odds ratio (OR), or hazard ratio (HR) depending on the pooled study outcomes...
November 14, 2017: Diabetes, Obesity & Metabolism
https://www.readbyqxmd.com/read/29071110/real-world-weight-change-among-patients-treated-with-glucagon-like-peptide-1-receptor-agonist-dipeptidyl-peptidase-4-inhibitor-and-sulfonylureas-for-type-2-diabetes-and-the-influence-of-medication-adherence
#14
G S Carls, R Tan, J Y Zhu, E Tuttle, J Yee, S V Edelman, W H Polonsky
AIMS: The study aims to examine real-world weight change and the role of medication adherence among patients with type 2 diabetes who initiated one of three drug classes: glucagon-like peptide-1 receptor agonist (GLP-1RA), dipeptidyl peptidase-4 inhibitor (DPP4) and sulfonylureas (SUs). MATERIALS AND METHODS: A cohort of patients initiating one of the three drug classes was selected from a large US database of integrated electronic medical record and administrative claims...
September 2017: Obesity Science & Practice
https://www.readbyqxmd.com/read/29062587/one-week-glucose-control-via-zero-order-release-kinetics-from-an-injectable-depot-of-glucagon-like-peptide-1-fused-to-a-thermosensitive-biopolymer
#15
Kelli M Luginbuhl, Jeffrey L Schaal, Bret Umstead, Eric M Mastria, Xinghai Li, Samagya Banskota, Susan Arnold, Mark Feinglos, David D'Alessio, Ashutosh Chilkoti
Stimulation of the glucagon-like peptide-1 (GLP1) receptor is a useful treatment strategy for type 2 diabetes because of pleiotropic effects, including the regulation of islet hormones and the induction of satiety. However, the native ligand for the GLP1 receptor has a short half-live owing to enzymatic inactivation and rapid clearance. Here, we show that a subcutaneous depot formed after a single injection of GLP1 recombinantly fused to a thermosensitive elastin-like polypeptide results in zero-order release kinetics and circulation times of up to 10 days in mice and 17 days in monkeys...
2017: Nature Biomedical Engineering
https://www.readbyqxmd.com/read/29056448/evolution-of-the-glucagon-like-system-across-fish
#16
João C R Cardoso, Rute C Félix, Carina Costa, Pedro F S Palma, Adelino V M Canário, Deborah M Power
In fishes, including the jawless lampreys, the most ancient lineage of extant vertebrates, plasma glucose levels are highly variable and regulation is more relaxed than in mammals. The regulation of glucose and lipid in fishes in common with mammals involves members of the glucagon (GCG)-like family of gastrointestinal peptides. In mammals, four peptides GCG, glucagon-like peptide 1 and 2 (GLP1 and GLP2) and glucose-dependent insulinotropic peptide (GIP) that activate four specific receptors exist. However, in lamprey and other fishes the glucagon-like family evolved differently and they retained additional gene family members (glucagon-related peptide, gcrp and its receptor, gcrpr) that are absent from mammals...
October 19, 2017: General and Comparative Endocrinology
https://www.readbyqxmd.com/read/29033597/reasons-for-discontinuation-of-glp1-receptor-agonists-data-from-a-real-world-cross-sectional-survey-of-physicians-and-their-patients-with-type-2-diabetes
#17
Mirko V Sikirica, Alan A Martin, Robert Wood, Andrea Leith, James Piercy, Victoria Higgins
AIM: Nonadherence to glucagon-like peptide-1 receptor agonists (GLP1 RAs) is relatively common among patients with type 2 diabetes mellitus (T2DM). This study sought to identify reasons why patients discontinue GLP1 RAs. MATERIALS AND METHODS: Retrospective data from the Adelphi Diabetes Disease Specific Programme were used. Physicians managing patients with T2DM were surveyed via face-to-face interviews, and patients treated for T2DM were surveyed via self-completed questionnaires...
2017: Diabetes, Metabolic Syndrome and Obesity: Targets and Therapy
https://www.readbyqxmd.com/read/28979777/changes-in-treatment-of-hyperglycemia-in-a-hypertensive-type-2-diabetes-population-as-renal-function-declines
#18
Larry A Weinrauch, Alissa R Segal, George P Bayliss, Jiankang Liu, Eric Wisniewski, John A D'Elia
BACKGROUND: Cardiovascular complications associated with expensive noninsulin agents for type 2 diabetes are the focus of concern in light of the risk of kidney dysfunction with aging. Head-to-head comparisons are unavailable to guide the choice of new drugs for hyperglycemia in patients with type 2 diabetes, decreased estimated glomerular filtration rate (eGFR) and increased cardiovascular risk. A first approach would be to document current medication choices. METHODS: All prescriptions for 10 151 patients (5623 males/4528 females) with both type 2 diabetes and hypertension seen two or  more times during a 5-year period (2007-12) at Joslin Diabetes Center were evaluated...
October 2017: Clinical Kidney Journal
https://www.readbyqxmd.com/read/28938433/type-2-diabetes-and-osteoporosis-a-guide-to-optimal-management
#19
REVIEW
Stavroula A Paschou, Anastasia D Dede, Panagiotis G Anagnostis, Andromachi Vryonidou, Daniel Morganstein, Dimitrios G Goulis
Context: Both type 2 diabetes (T2D) and osteoporosis are affected by aging and quite often coexist. Furthermore, the fracture risk in patients with T2D is increased. The aim of this article is to review updated information on osteoporosis and fracture risk in patients with T2D, to discuss the effects of diabetes treatment on bone metabolism, as well as the effect of antiosteoporotic medications on the incidence and control of T2D, and to provide a personalized guide to the optimal management...
October 1, 2017: Journal of Clinical Endocrinology and Metabolism
https://www.readbyqxmd.com/read/28929319/a-practical-approach-to-hypertension-management-in-diabetes
#20
REVIEW
Altamash Shaikh
Hypertension is one of the most important comorbidities of diabetes, contributing significantly to death and disability and leads to macrovascular and microvascular complications. When assessing the medical priorities for patients with diabetes, treating hypertension should be a primary consideration. Practical approaches to hypertension in diabetes, including individualized targets are discussed, as per stage and complication of diabetes, according to current studies and guidelines. Angiotensin converting enzyme inhibitors (ACEI)/angiotensin receptor blockers (ARBs) are the most effective drugs for treating hypertension in diabetes, in the absence of contraindications...
October 2017: Diabetes Therapy: Research, Treatment and Education of Diabetes and related Disorders
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