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Glucose control

Jiali Chen, Yan Li, Bing Yu, Daiwen Chen, Xiangbing Mao, Ping Zheng, Junqiu Luo, Jun He
Chlorogenic acid (CGA) is a natural phenolic acid, which is an important component of biologically active dietary phenols isolated from various species. Two experiments were conducted to investigate the effects of CGA on growth performance, antioxidant capacity, nutrient digestibility, diarrhea incidence, intestinal digestion and absorption function, and the expression levels of intestinal digestion and absorption-related genes in weaned pigs. In Exp. 1, 200 weaned pigs were randomly allotted to four dietary treatments and fed with a basal diet or a basal diet supplemented with 250, 500, or 1,000 mg/kg CGA, respectively, in a 14-d trial...
March 16, 2018: Journal of Animal Science
Evan M Zhao, Yanfei Zhang, Justin Mehl, Helen Park, Makoto A Lalwani, Jared E Toettcher, José L Avalos
The optimization of engineered metabolic pathways requires careful control over the levels and timing of metabolic enzyme expression. Optogenetic tools are ideal for achieving such precise control, as light can be applied and removed instantly without complex media changes. Here we show that light-controlled transcription can be used to enhance the biosynthesis of valuable products in engineered Saccharomyces cerevisiae. We introduce new optogenetic circuits to shift cells from a light-induced growth phase to a darkness-induced production phase, which allows us to control fermentation with only light...
March 21, 2018: Nature
Everton Cazzo, José Carlos Pareja, Elinton Adami Chaim, Cláudio Saddy Rodrigues Coy, Daniéla Oliveira Magro
BACKGROUND: The glucagon-like peptides 1 and 2 (GLP-1/GLP-2) are gut hormones that may directly affect the glucose homeostasis and their activity seems to be significantly affected by chronic inflammation. OBJECTIVE: To evaluate the postprandial levels of glucagon-like peptides 1 and 2 (GLP-1/GLP-2), C-reactive protein (CRP), and the postprandial glucose and insulin levels among individuals with obesity, type 2 diabetes, and healthy controls. METHODS: An exploratory cross-sectional study, which involved individuals awaiting for bariatric/metabolic surgery and healthy controls...
January 2018: Arquivos de Gastroenterologia
Xiao Qi Ye, Jin Liu Meng, Bo Zeng, Ming Wu
BACKGROUND: Operation of the Three Gorges Reservoir (TGR, China) imposes a new water fluctuation regime, including a prolonged winter submergence in contrast to the natural short summer flooding of the rivers. The contrasting water temperature regimes may remarkably affect the survival of submerged plants in the TGR. Plant survival in such prolonged flooding might depend on the carbohydrate status of the plants. Therefore, we investigated the effects of water temperature on survival and carbohydrate status in a flood-tolerant plant species and predicted that both survival and carbohydrate status would be improved by lower water temperatures...
2018: PloS One
Leigh Anne Harden, Jennifer Fernandez, Joseph R Milanovich, Brock P Struecker, Stephen R Midway
Blood biochemical and hematology analyses are helpful indicators of the physiologic health of animals, particularly when making conservation and management decisions for threatened species. In this study, we 1) established blood biochemical reference intervals for two populations of threatened, free-ranging ornate box turtles ( Terrapene ornata) in northern Illinois during their active season and 2) examined the effects of individual carapace temperature ( Tc ) on blood biochemical variables by using a Bayesian hierarchic framework...
March 21, 2018: Journal of Wildlife Diseases
Allah Bukhsh, Muhammad Sarfraz Nawaz, Hafiz Sajjad Ahmed, Tahir Mehmood Khan
BACKGROUND: Diabetes self-care activities, like, healthy diet, regular exercise, self-monitoring of blood glucose, and rational use of medicines are considered to play a vital role in establishing euglycemia. Health literacy among type 2 diabetes mellitus (T2DM) patients in Pakistan is very low, which is the most likely cause for poor clinical outcomes. This study is designed to investigate the impact of pharmacist-led educational intervention on glycemic control, self-care activities and disease knowledge among T2DM patients in Pakistan...
March 2018: Medicine (Baltimore)
Nicolette Kapp, Xiao X Stander, Barend A Stander
This project investigated the in-vitro effects of a glycolytic inhibitor, 3-bromopyruvate (3-BrP), in combination with and a new in silico-designed inhibitor of the bromodomain-4 (BRD-4) protein, ITH-47, on the U937 acute myeloid leukemia cell line. 3-BrP is an agent that targets the altered metabolism of cancer cells by interfering with glucose metabolism in the glycolytic pathway. ITH-47 is an acetyl-lysine inhibitor that displaces bromdomain 4 proteins from chromatin by competitively binding to the acetyl-lysine recognition pocket of this bromodomain and extraterminal (BET) BRD protein, thereby preventing transcription of cancer-associated genes and further cell growth...
March 20, 2018: Anti-cancer Drugs
Ying Liang, Li Zhu, Minjie Gao, Jianrong Wu, Xiaobei Zhan
Water-soluble β-1,3-glucan (w-glucan) prepared from curdlan is reported to possess various bioactive and medicinal properties. To develop an efficient and cost-effective microbial fermentation method for the direct production of w-glucan, a coupled fermentation system of Agrobacterium sp. and Trichoderma harzianum (CFS-AT) was established. The effects of Tween-80, glucose flow rate, and the use of a dissolved oxygen (DO) control strategy on w-glucan production were assessed. The addition of 10 g L-1 Tween-80 to the CFS-AT enhanced w-glucan production, presumably by loosening the curdlan ultrastructure and increasing the efficiency of curdlan hydrolysis...
March 21, 2018: Preparative Biochemistry & Biotechnology
Hongxia Lei, Frédéric Preitner, Gwenaël Labouèbe, Rolf Gruetter, Bernard Thorens
Glucose transporter 2 ( Glut2)-positive cells are sparsely distributed in brain and play an important role in the stimulation of glucagon secretion in response to hypoglycemia. We aimed to determine if Glut2-positive cells can influence another response to hypoglycemia, i.e. increased cerebral blood flow (CBF). CBF of adult male mice devoid of Glut2, either globally ( ripglut1:glut2- / - ) or in the nervous system only (NG2KO), and their respective controls were studied under basal glycemia and insulin-induced hypoglycemia using quantitative perfusion magnetic resonance imaging at 9...
January 1, 2018: Journal of Cerebral Blood Flow and Metabolism
Shuang Li, Huixia Yang
OBJECTIVE: To investigate the levels of and dynamic changes of advanced glycation end products (AGEs) in maternal plasma during pregnancy and explore the association between these levels and gestational diabetes mellitus (GDM). METHODS: This study recruited 90 GDM women and 90 healthy pregnant controls. The women received prenatal care and were hospitalized for delivery in Peking University First Hospital in China between October 2015 and April 2016. The patients were recruited and provided blood samples during gestational weeks 24-29...
March 21, 2018: Journal of Maternal-fetal & Neonatal Medicine
Xue-Fen Wu, Xiao-Li Chen, Xue-Na Zheng, Xin Guo, Zhi-Qiang Xie, Li Liu, Xin-Ran Wei, Zeng-Hui Yue
OBJECTIVE: To observe the effect of different strength of electroacupuncture (EA) stimulation on gastrointestinal motility and Ras homolog gene family member (RhoA)/Rho associated coiled-coil forming protein kinase (ROCK) signaling in diabetic gastroparesis (DGP) rats, so as to reveal the underlying mechanisms of EA for improving DGP. METHODS: Sixty SD rats were randomly and equally divided into blank control, DGP model, weak EA, medium EA, and strong EA groups ( n =12 rats in each)...
March 25, 2018: Zhen Ci Yan Jiu, Acupuncture Research
Ya-Ni Tang, Cheng-Fu Tan, Wei-Wei Liu, Jie Yan, Chao Wang, Mi Liu, Dong-Hai Lin, Cai-Hua Huang, Lin Du, Mei-Lin Chen, Jiao-Lan Li, Ding-Ming Zhu
OBJECTIVE: We have repeatedly demonstrated that electroacupuncture (EA) of "Neiguan"(PC 6) can improve myocardial ischemia in rats. The present study was designed to investigate the metabolomic profile of peripheral blood se-rum and myocardium involving EA-induced improvement of myocardial ischemia-reperfusion injury (MIRI) in rats by using nuclear magnetic resonance spectroscopy. METHODS: Thirty male SD rats were equally randomized into blank control, model and EA groups...
March 25, 2018: Zhen Ci Yan Jiu, Acupuncture Research
Hualiang Liang, Ahmed Mokrani, Hopeson Chisomo-Kasiya, Ogwok-Manas Wilson-Arop, Haifeng Mi, Ke Ji, Xianping Ge, Mingchun Ren
Facilitative glucose transporters (GLUT) are transmembrane transporters involved in glucose transport across the plasma membrane. In this study, blunt snout bream GLUT2 gene was cloned, and its expression in various tissues and in liver in response to diets with different carbohydrate levels (17.1; 21.8; 26.4; 32.0; 36.3; and 41.9% of dry matter). Blunt snout bream GLUT2 was also characterized. A full-length cDNA fragment of 2577 bp was cloned, which contains a 5'-untranslated region (UTR) of 73 bp, a 3'-UTR of 992 bp, and an open reading frame of 1512 bp that encodes a polypeptide of 503 amino acids with predicted molecular mass of 55...
March 20, 2018: Fish Physiology and Biochemistry
Roger Mullins, David Reiter, Dimitrios Kapogiannis
Objective: Brain glucose hypometabolism is a prominent feature of Alzheimer's disease (AD), and in this case-control study we used Magnetic Resonance Spectroscopy (MRS) to assess AD-related differences in the posterior cingulate/precuneal ratio of glucose, lactate, and other metabolites. Methods: J-modulated Point-Resolved Spectroscopy (J-PRESS) and Prior-Knowledge Fitting (ProFit) software was used to measure glucose and other metabolites in the posterior cingulate/precuneus of 25 AD, 27 older controls, and 27 younger control participants...
March 2018: Annals of Clinical and Translational Neurology
Keshav Gopal, Malak Almutairi, Rami Al Batran, Farah Eaton, Manoj Gandhi, John Reyes Ussher
Obesity and type 2 diabetes (T2D) increase the risk for cardiomyopathy, which is the presence of ventricular dysfunction in the absence of underlying coronary artery disease and/or hypertension. As myocardial energy metabolism is altered during obesity/T2D (increased fatty acid oxidation and decreased glucose oxidation), we hypothesized that restricting myocardial glucose oxidation in lean mice devoid of the perturbed metabolic milieu observed in obesity/T2D would produce a cardiomyopathy phenotype, characterized via diastolic dysfunction...
2018: Frontiers in Cardiovascular Medicine
Paul P Jung, Zhi Zhang, Nicole Paczia, Christian Jaeger, Tomasz Ignac, Patrick May, Carole L Linster
Aging is a complex trait of broad scientific interest, especially because of its intrinsic link with common human diseases. Pioneering work on aging-related mechanisms has been made in Saccharomyces cerevisiae , mainly through the use of deletion collections isogenic to the S288c reference strain. In this study, using a recently published high-throughput approach, we quantified chronological life span (CLS) within a collection of 58 natural strains across seven different conditions. We observed a broad aging variability suggesting the implication of diverse genetic and environmental factors in chronological aging control...
2018: NPJ Aging and Mechanisms of Disease
Johannes Jägers, Stephan Brauckmann, Michael Kirsch, Katharina Effenberger-Neidnicht
Background: Systemic inflammation alters energy metabolism. A sufficient glucose level, however, is most important for erythrocytes, since erythrocytes rely on glucose as sole source of energy. Damage to erythrocytes leads to hemolysis. Both disorders of glucose metabolism and hemolysis are associated with an increased risk of death. The objective of the study was to investigate the impact of intravenous glucose on hemolysis during systemic inflammation. Materials and methods: Systemic inflammation was accomplished in male Wistar rats by continuous lipopolysaccharide (LPS) infusion (1 mg LPS/kg and h, 300 min)...
2018: Journal of Inflammation Research
Linda B Mongero, Eric A Tesdahl, Alfred H Stammers, Andrew J Stasko, Samuel Weinstein
Myocardial protection during cardiac surgery is a multifaceted process that is structured to limit injury and preserve function. Evolving techniques use solutions with varying constituents that enter the systemic circulation and alter intrinsic systemic concentrations. This study compared two distinct cardioplegia solutions on affecting intraoperative glucose levels. Data were abstracted from a multi-institutional perfusion registry, including a total of 1,188 propensity-matched cases performed from January through October 2016, at 17 cardiac surgical centers across the United States in which both del Nido and 4:1 cardioplegia were used during the study period...
March 2018: Journal of Extra-corporeal Technology
Dina A Schneider, Soo-Ho Choi, Colin Agatisa-Boyle, Laurence Zhu, Jungsu Kim, Jennifer Pattison, Dorothy D Sears, Philip L S M Gordts, Longhou Fang, Yury I Miller
Apolipoprotein A-I Binding Protein (AIBP) has been shown to augment cholesterol efflux from endothelial cells and macrophages. In zebrafish and mice, AIBP-mediated regulation of cholesterol levels in the plasma membrane of endothelial cells controls angiogenesis. The goal of this work was to evaluate metabolic changes and atherosclerosis in AIBP loss-of-function and gain-of-function animal studies. Here we show that Apoa1bp-/-Ldlr-/- mice fed a high-cholesterol, high-fat diet had exacerbated weight gain, liver steatosis, glucose intolerance, hypercholesterolemia and hypertriglyceridemia, and larger atherosclerotic lesions compared to Ldlr-/- mice...
March 20, 2018: Journal of Lipid Research
Lucy Mackillop, Jane Elizabeth Hirst, Katy Jane Bartlett, Jacqueline Susan Birks, Lei Clifton, Andrew J Farmer, Oliver Gibson, Yvonne Kenworthy, Jonathan Cummings Levy, Lise Loerup, Oliver Rivero-Arias, Wai-Kit Ming, Carmelo Velardo, Lionel Tarassenko
BACKGROUND: Treatment of hyperglycemia in women with gestational diabetes mellitus (GDM) is associated with improved maternal and neonatal outcomes and requires intensive clinical input. This is currently achieved by hospital clinic attendance every 2 to 4 weeks with limited opportunity for intervention between these visits. OBJECTIVE: We conducted a randomized controlled trial to determine whether the use of a mobile phone-based real-time blood glucose management system to manage women with GDM remotely was as effective in controlling blood glucose as standard care through clinic attendance...
March 20, 2018: JMIR MHealth and UHealth
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