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https://www.readbyqxmd.com/read/28735192/nozzle-jet-printed-flexible-field-effect-transistor-biosensor-for-high-performance-glucose-detection
#1
Kiesar Sideeq Bhat, Rafiq Ahmad, Jin-Young Yoo, Yoon-Bong Hahn
Printable electronics is a subject of great interest for low-cost, facile and environmentally-friendly large scale device production. But, it still remains challenging for printable biosensor development. Herein, we present the fabrication of nozzle-jet printed flexible field-effect transistor (FET) glucose biosensor. The silver source-drain electrodes and ZnO seed layers were printed on flexible substrate by nozzle-jet printer followed by ZnO nanorods (ZnO NRs) synthesis and glucose oxidase (GOx) immobilization...
July 14, 2017: Journal of Colloid and Interface Science
https://www.readbyqxmd.com/read/28735003/feeding-strategies-for-tuning-poly-3-hydroxybutyrate-co-4-hydroxybutyrate-monomeric-composition-and-productivity-using-burkholderia-sacchari
#2
Rodrigo S Raposo, M Catarina M D de Almeida, M M R da Fonseca, M Teresa Cesário
Poly(3-hydroxybutyrate-co-4-hydroxybutyrate) (P(3HB-4HB)) co-polymers were produced at bench-scale in fed-batch cultivations by Burkholderia sacchari from glucose (main carbon-source) and gamma-butyrolactone (GBL) as co-substrate. As P(3HB-4HB) properties highly depend on the 4-hydroxybutyrate (4HB) molar fraction, it is advantageous to have a thorough knowledge of the process in order to promote the production of the targeted final product. In this work, polymers with a 4HB molar percentage ranging from 1...
July 19, 2017: International Journal of Biological Macromolecules
https://www.readbyqxmd.com/read/28734987/bioavailable-and-free-25-hydroxyvitamin-d-and-vitamin-d-binding-protein-in-polycystic-ovary-syndrome-relationships-with-obesity-and-insulin-resistance
#3
Negar Naderpoor, Soulmaz Shorakae, Sally K Abell, Aya Mousa, Anju E Joham, Lisa J Moran, Nigel K Stepto, Poli Mara Spritzer, Helena J Teede, Barbora de Courten
Polycystic ovary syndrome (PCOS) is a common condition characterised by both reproductive and metabolic features (obesity, insulin resistance, diabetes risk). Some evidence suggests that women with PCOS have lower vitamin D levels compared to healthy controls. Vitamin D binding protein (DBP) is the main carrier of vitamin D in circulation and plays an important role in regulating vitamin D concentration and bioavailability for target tissues. To our knowledge, no previous studies have examined DBP, bioavailable and free 25-hydroxyvitamin D (25(OH)D) in women with PCOS...
July 19, 2017: Journal of Steroid Biochemistry and Molecular Biology
https://www.readbyqxmd.com/read/28734952/potential-predictive-role-of-lipid-peroxidation-markers-for-type-2-diabetes-in-the-tunisian-population
#4
Houda Bouhajja, Faten Hadj Kacem, Rania Abdelhedi, Marwa Ncir, Jordan D Dimitrov, Rim Marrakchi, Kamel Jamoussi, Ahmed Rebai, Abdelfattah El Feki, Mohamed Abid, Hammadi Ayadi, Srini V Kaveri, Mouna Mnif-Feki, Noura Bougacha-Elleuch
OBJECTIVES: We evaluated the potential clinical relevance of malondialdehyde (MDA) and autoantibodies to copper oxidized low-density lipoprotein (CuOx-LDL) in type 2 diabetes occurrence. METHODS: This cross-sectional study enrolled 69 normoglycemic subjects, 18 prediabetic patients and 108 type 2 diabetes patients. MDA concentration was assessed spectrophotometrically. Plasma IgG, IgA and IgM levels to CuOx-LDL were determined by ELISA. RESULTS: Plasma MDA levels were considerably higher in obese, prediabetic and type 2 diabetes subjects compared to controls...
July 19, 2017: Canadian Journal of Diabetes
https://www.readbyqxmd.com/read/28734778/diagnostic-value-of-18-f-fdg-pet-ct-for-the-follow-up-and-restaging-of-soft-tissue-sarcomas-in-adults
#5
T W Kassem, O Abdelaziz, S Emad-Eldin
PURPOSE: The purpose of this study was to evaluate the clinical utility of 2-[(18)F] fluoro-2-deoxy-D-glucose ((18)FDG) positron emission tomography (PET)/computed tomography (CT) ((18)F-FDG-PET/CT) in the follow-up of adult patients with soft tissue sarcomas. MATERIALS AND METHODS: We prospectively evaluated 37 consecutive patients with known soft tissue sarcoma with (18)F-FDG-PET/CT examination for suspected recurrence of disease. They were 21 men and 16 women with a mean age of 49...
July 19, 2017: Diagnostic and Interventional Imaging
https://www.readbyqxmd.com/read/28734674/retinal-exposure-to-high-glucose-condition-modifies-the-gabaergic-system-regulation-by-nitric-oxide
#6
R Carpi-Santos, R S Maggesissi, M P Von Seehausen, K C Calaza
Diabetic retinopathy is a severe retinal complication that diabetic patients are susceptible to present. Although this disease is currently characterized as a microvascular disease, there is growing evidence that neural changes occur and maybe precede vascular impairments. Using chicken retina, an avascular tissue with no direct contact with blood vessels and neural retina, this study aimed to evaluate the influence of acute exposure to high glucose concentration in the retinal GABAergic system, and the role of nitric oxide (NO) in this modulation...
July 19, 2017: Experimental Eye Research
https://www.readbyqxmd.com/read/28734528/exploring-risk-patterns-for-incident-ischemic-stroke-during-more-than-a-decade-of-follow-up-a-survival-tree-analysis
#7
Donna Parizadeh, Azra Ramezankhani, Amir Abbas Momenan, Fereidoun Azizi, Farzad Hadaegh
BACKGROUND AND PURPOSE: The burden of stroke is increasing in low to middle income countries. Identifying risk patterns for ischemic stroke (IS) can help develop individualized preventive measures for at risk populations. METHODS: The study population included 3088 Iranian subjects (1426 men) aged ≥50 years, free of cardiovascular diseases at baseline. The risk factors for ischemic stroke were identified by multivariate Cox analysis. A survival tree model was used to explore interactions between risk factors...
August 2017: Computer Methods and Programs in Biomedicine
https://www.readbyqxmd.com/read/28733963/peroxisome-proliferator-activated-receptor-gamma-expression-in-peripheral-blood-mononuclear-cells-and-angiopoietin-like-protein-4-levels-in-obese-children-and-adolescents
#8
Z A Sadeghabadi, M Nourbakhsh, M Alaee, B Larijani, M Razzaghy-Azar
PURPOSE: The peroxisome proliferator-activated receptor γ (PPARγ) is highly expressed in adipose tissue and functions as transcriptional regulator of metabolism and adipocyte differentiation. Angiopoietin-like protein 4 (ANGPTL4), a central player in various aspects of energy homoeostasis, is induced by PPARγ. The aim of this study was to evaluate ANGPTL4 plasma levels and PPARγ gene expression in peripheral blood mononuclear cells (PBMCs) of children and adolescents with obesity and their association with metabolic parameters...
July 21, 2017: Journal of Endocrinological Investigation
https://www.readbyqxmd.com/read/28733781/bitc-and-s-carvone-restrain-high-fat-diet-induced-obesity-and-ameliorate-hepatic-steatosis-and-insulin-resistance
#9
Sary Alsanea, Dexi Liu
PURPOSE: To investigate the preventative activity of benzyl isothiocyante and S-carvone against high-fat diet-induced obesity and metabolic complications. METHODS: Ten-week-old C57BL/6 male mice were fed a high-fat diet and injected intraperitoneally twice per week with benzyl isothiocyante, S-carvone, or vehicle for 8 weeks. The body weight, food intake, and body composition were monitored, and glucose tolerance and insulin tolerance tests were performed at the end of the experiment...
July 21, 2017: Pharmaceutical Research
https://www.readbyqxmd.com/read/28733523/preclinical-efficacy-of-the-novel-competitive-nampt-inhibitor-stf-118804-in-pancreatic-cancer
#10
Jair Machado Espindola-Netto, Claudia C S Chini, Mariana Tarragó, Enfeng Wang, Shamit Dutta, Krishnendu Pal, Debabrata Mukhopadhyay, Mauro Sola-Penna, Eduardo N Chini
NAD salvage is one of the pathways used to generate NAD in mammals. Nicotinamide phosphoribosyltransferase (NAMPT), the rate-limiting enzyme in this pathway, uses nicotinamide (NAM) to generate nicotinamide mononucleotide (NMN). NMN is one of the main precursors of NAD synthesis in cells. Our previous study showed the importance of NAMPT in maintaining NAD levels in pancreatic ductal adenocarcinoma cells (PDAC), and that the NAMPT inhibitor FK866 decreased pancreatic cancer growth. We now tested the effect of STF-118804, a new highly specific NAMPT inhibitor, in models of pancreatic ductal adenocarcinoma...
June 29, 2017: Oncotarget
https://www.readbyqxmd.com/read/28733476/mir-30e-targets-glipr-2-to-modulate-diabetic-nephropathy-in-vitro-and-in-vivo-experiments
#11
Dong Zhao, Jinhua Jia, Hong Shao
The objectives of this study are to investigate the effect of miR-30e targeting GLIPR-2 on the pathological mechanism of DN. The renal tissues of db/db and db/m mice at different age of weeks were stained with PAS. qRT-PCR was applied to detect the expression of miR-30e and GLIPR-2, not only in the renal tissues of mice but also in the renal tubular epithelial cells (RTECs). By luciferase reporter gene assays, we found the 3'-UTR of the GLIPR-2 mRNA as a direct target of miR-30e. The RTECs cultured in high glucose were divided into blank control, NC, miR-30e mimics, miR-30e inhibitors, miR-30e inhibitor + si-GLIPR-2 and si-GLIPR-2 groups...
August 2017: Journal of Molecular Endocrinology
https://www.readbyqxmd.com/read/28733328/thermal-imprinting-modifies-bone-homeostasis-in-cold-challenged-sea-bream-sparus-aurata-l
#12
Ana Patrícia Mateus, Rita Costa, Enric Gisbert, Patricia I S Pinto, Karl B Andree, Alicia Estévez, Deborah M Power
Fish are ectotherms and temperature plays a determinant role in their physiology, biology and ecology and is a driver of seasonal responses. The present study assessed how thermal imprinting during embryonic and larval stages modified the response of adult fish to low water temperature. We targeted the gilthead sea bream that develops a condition known as winter syndrome when it is exposed to low water temperatures. Eggs and larvae of sea bream were exposed to four different thermal regimes and then the response of the resulting adults to a low temperature challenge was assessed...
July 21, 2017: Journal of Experimental Biology
https://www.readbyqxmd.com/read/28733286/the-regulator-ldhr-and-the-d-lactate-dehydrogenase-ldha-of-burkholderia-multivorans-play-a-role-in-carbon-overflow-and-in-planktonic-cellular-aggregates-formation
#13
Inês N Silva, Marcelo J Ramires, Lisa A Azevedo, Ana R Guerreiro, Andreia C Tavares, Jörg D Becker, Leonilde M Moreira
LysR-type transcriptional regulators (LTTR) are the most commonly found regulators in Burkholderia cepacia complex, comprising opportunistic pathogens causing chronic respiratory infections in cystic fibrosis (CF) patients. Despite LTTRs being global regulators of pathogenicity in several bacteria, few have been characterized in Burkholderia Here, we showed that gene ldhR of B. multivorans encoding a LTTR is co-transcribed with ldhA encoding a d-lactate dehydrogenase, and evaluate their implication in virulence traits like exopolysaccharide (EPS) synthesis and biofilm formation...
July 21, 2017: Applied and Environmental Microbiology
https://www.readbyqxmd.com/read/28733174/lipoprotein-insulin-resistance-score-and-risk-of-incident-diabetes-during-extended-follow-up-of-20%C3%A2-years-the-women-s-health-study
#14
Paulo H N Harada, Olga V Demler, Sagar B Dugani, Akintunde O Akinkuolie, Manickavasagar V Moorthy, Paul M Ridker, Nancy R Cook, Aruna D Pradhan, Samia Mora
BACKGROUND: Type II diabetes (T2D) is preceded by prolonged insulin resistance and relative insulin deficiency incompletely captured by glucose metabolism parameters, high-density lipoprotein (HDL) cholesterol and triglycerides. OBJECTIVE: Whether lipoprotein insulin resistance (LPIR) score, a metabolomic marker, is associated with incident diabetes and improves risk reclassification over traditional markers on extended follow-up. METHODS: Among 25,925 nondiabetic women aged 45 years or older, LPIR was measured by nuclear magnetic resonance spectroscopy as a weighted score of very low density lipoprotein, low-density lipoprotein, and HDL particle sizes, and their subsets concentrations...
June 21, 2017: Journal of Clinical Lipidology
https://www.readbyqxmd.com/read/28733035/mir-18a-5p-inhibits-endothelial-mesenchymal-transition-and-cardiac-fibrosis-through-the-notch2-pathway
#15
Huazhi Geng, Jun Guan
Hyperglycemia plays a crucial role in the pathogenesis of diabetic complications; however, the mechanisms underlying diabetic cardiac fibrosis remain unclear. Endothelial cells are known to contribute to cardiac fibrosis through endothelial-mesenchymal transition (EndMT) under high glucose stimulation. Here we investigated the expression of miR-18a-5p and examined its functional role in human aortic valvular endothelial cells (HAVECs). Using HAVECs, we revealed that miR-18a-5p regulated high glucose-induced EndMT...
July 18, 2017: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/28733026/effects-of-supplementation-with-spray-dried-porcine-plasma-on-blood-variables-on-piglets-feed-with-diet-contaminated-by-mycotoxins
#16
Lucieli K F Müller, Aleksandro S da Silva, Matheus D Baldissera, Janio M Santurio, Patricia Glombowsky, Jeferson Gugel, Gabriela Campigotto, Eduardo M Gloria, Diovani Paiano, Gustavo Machado
The aim of this study was to evaluate the supplementation spray-dried porcine plasma (SDPP) effects on body weight, glucose levels and hematological and immunology variables for piglets fed with diet contaminated with low or high aflatoxin and fumonisin levels. Thus, 24 piglets were allotted in four groups, and the group A received a control diet; the group B received a diet with 6% of SDPP; the group C 300 μg/kg of aflatoxins and 8000 μg/kg of fumonisin; the group D 300 μg/kg of aflatoxins, 8000 μg/kg of fumonisin and 6% of SDPP, respectively...
July 18, 2017: Microbial Pathogenesis
https://www.readbyqxmd.com/read/28732920/a-rhamnan-type-sulfated-polysaccharide-with-novel-structure-from-monostroma-angicava-kjellm-chlorophyta-and-its-bioactivity
#17
Xue Liu, Jiejie Hao, Xiaoxi He, Shuyao Wang, Sujian Cao, Ling Qin, Wenjun Mao
A homogeneous polysaccharide was obtained from Monostroma angicava Kjellm by water extraction, preparative anion-exchange and size-exclusion chromatography. Results of chemical and spectroscopic analyses showed that the polysaccharide was a glucuronic acid-containing rhamnan-type sulfated polysaccharide. The backbone mainly consisted of →3)-α-l-Rhap-(1→ and →2)-α-l-Rhap-(1→ residues, partially sulfated at C-2 of →3)-α-l-Rhap-(1→ and C-3/C-4 of →2)-α-l-Rhap-(1→. The branching contained unsulfated or monosulfated 3-linked, 2-linked, 4-linked α-l-rhamnose and terminal β-d-glucuronic acid residues...
October 1, 2017: Carbohydrate Polymers
https://www.readbyqxmd.com/read/28732144/influence-of-high-latitude-light-conditions-on-sensory-quality-and-contents-of-health-and-sensory-related-compounds-in-swede-roots-brassica-napus-l-ssp-rapifera-metzg
#18
Jørgen A B Mølmann, Sidsel Fiskaa Hagen, Gunnar B Bengtsson, Tor J Johansen
BACKGROUND: Vegetable growers in Arctic areas usually must rely on market strategies based on regional origin and product quality. Swede roots (rutabaga) were grown in a phytotron to investigate the effect of high latitude light conditions on sensory quality and some health and sensory-related compounds. Experimental treatments included modifications of 24 h natural day length (69° 39' N), by moving plants at daily intervals to dark chambers with either no light, fluorescent growth light and/or low intensity photoperiod extension...
July 21, 2017: Journal of the Science of Food and Agriculture
https://www.readbyqxmd.com/read/28731823/maternal-fetal-outcomes-in-34-pregnant-women-with-type-1-diabetes-in-sensor-augmented-insulin-pump-therapy
#19
Ana María Gómez, Lisseth Fernanda Marín Carrillo, Carol M Arévalo Correa, Oscar Mauricio Muñoz Velandia, Martín Alonso Rondón Sepúlveda, Jaime Luis Silva Herrera, Diana Cristina Henao Carrillo
BACKGROUND: Pregnancy in women with type 1 diabetes (T1D) is associated with increased risk of maternal complications and neonatal morbidity and mortality. Optimizing glycemic control improves these outcomes. OBJECTIVE: To describe the experience of using sensor-augmented insulin pump therapy (SAPT) and SAPT + low-glucose suspension (LGS) on pregnant women with T1D, including neonatal and maternal outcomes. METHODS: A prospective observational study was conducted in women with T1D who started SAPT and SAPT + LGS before or during pregnancy at the San Ignacio University Hospital Diabetes Center in Bogotá, Colombia...
July 2017: Diabetes Technology & Therapeutics
https://www.readbyqxmd.com/read/28731584/insulin-secretion-and-action-in-north-indian-women-during-pregnancy
#20
G P Arora, P Almgren, R G Thaman, A Pal, L Groop, A Vaag, R B Prasad, C Brøns
AIM: The relative roles(s) of impaired insulin secretion vs. insulin resistance in the development of gestational diabetes mellitus depend upon multiple risk factors and diagnostic criteria. Here, we explored their relative contribution to gestational diabetes as defined by the WHO 1999 (GDM1999) and adapted WHO 2013 (GDM2013) criteria, excluding the 1-h glucose value, in a high-risk Indian population from Punjab. METHODS: Insulin secretion (HOMA2-B) and insulin action (HOMA2-IR) were assessed in 4665 Indian women with or without gestational diabetes defined by the GDM1999 or adapted GDM2013 criteria...
July 21, 2017: Diabetic Medicine: a Journal of the British Diabetic Association
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