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https://www.readbyqxmd.com/read/28636255/recombinant-human-serum-albumin-for-corneal-preservation
#1
Mohit Parekh, Hossein Elbadawy, Gianni Salvalaio, Marie-Claude Amoureux, Enzo Di Iorio, Denis Fortier, Diego Ponzin, Stefano Ferrari, Alessandro Ruzza
PURPOSE: To study the performance of a completely synthetic organ culture (OC) preservation system containing recombinant human serum albumin (rHSA) for preservation of human donor corneas. METHODS: Twenty-four paired donor corneas were randomly collected, and one cornea from each donor was preserved in synthetic (experimental) and serum-based media (control). The tissues were assessed at day 0; after 6 days of preservation at room temperature (RT) in Cornea Trans(®) and Cornea Prep II(®) ; after 28 days at 31°C in Cornea Syn(®) [with rHSA] and Cornea Max(®) [with foetal calf serum (FCS)] and; 4-day post deswelling in Cornea Trans(®) and Cornea Jet(®) ...
June 21, 2017: Acta Ophthalmologica
https://www.readbyqxmd.com/read/28635632/glucose-and-lipid-dysmetabolism-in-a-rat-model-of-prediabetes-induced-by-a-high-sucrose-diet
#2
Ana Burgeiro, Manuela G Cerqueira, Bárbara M Varela-Rodríguez, Sara Nunes, Paula Neto, Frederico C Pereira, Flávio Reis, Eugénia Carvalho
Glucotoxicity and lipotoxicity are key features of type 2 diabetes mellitus, but their molecular nature during the early stages of the disease remains to be elucidated. We aimed to characterize glucose and lipid metabolism in insulin-target organs (liver, skeletal muscle, and white adipose tissue) in a rat model treated with a high-sucrose (HSu) diet. Two groups of 16-week-old male Wistar rats underwent a 9-week protocol: HSu diet (n = 10)-received 35% of sucrose in drinking water; Control (n = 12)-received vehicle (water)...
June 21, 2017: Nutrients
https://www.readbyqxmd.com/read/28635334/timing-of-food-intake-during-simulated-night-shift-impacts-glucose-metabolism-a-controlled-study
#3
Crystal L Grant, Alison M Coates, Jillian Dorrian, David J Kennaway, Gary A Wittert, Leonie K Heilbronn, Maja Pajcin, Chris Della Vedova, Charlotte C Gupta, Siobhan Banks
Eating during the night may increase the risk for obesity and type 2 diabetes in shift workers. This study examined the impact of either eating or not eating a meal at night on glucose metabolism. Participants underwent four nights of simulated night work (SW1-4, 16:00-10:00 h, <50 lux) with a daytime sleep opportunity each day (10:00-16:00 h, <3 lux). Healthy males were assigned to an eating at night (NE; n = 4, meals; 07:00, 19:00 and 01:30 h) or not eating at night (NEN; n = 7, meals; 07:00 h, 09:30, 16:10 and 19:00 h) condition...
June 21, 2017: Chronobiology International
https://www.readbyqxmd.com/read/28635330/multiple-functions-of-insulin-degrading-enzyme-a-metabolic-crosslight
#4
Grazia R Tundo, Diego Sbardella, Chiara Ciaccio, Giuseppe Grasso, Magda Gioia, Andrea Coletta, Fabio Polticelli, Donato Di Pierro, Danilo Milardi, Peter Van Endert, Stefano Marini, Massimo Coletta
Insulin-degrading enzyme (IDE) is a ubiquitous zinc peptidase of the inverzincin family, which has been initially discovered as the enzyme responsible for insulin catabolism; therefore, its involvement in the onset of diabetes has been largely investigated. However, further studies on IDE unraveled its ability to degrade several other polypeptides, such as β-amyloid, amylin, and glucagon, envisaging the possible implication of IDE dys-regulation in the "aggregopathies" and, in particular, in neurodegenerative diseases...
June 21, 2017: Critical Reviews in Biochemistry and Molecular Biology
https://www.readbyqxmd.com/read/28634625/serum-antioxidant-capacity-biochemical-profile-and-body-composition-of-breast-cancer-survivors-in-a-randomized-mediterranean-dietary-intervention-study
#5
Maria Skouroliakou, D Grosomanidis, P Massara, C Kostara, P Papandreou, D Ntountaniotis, G Xepapadakis
PURPOSE: Increasing evidence suggests that Mediterranean Diet (MD) is correlated with reduced risk of breast cancer (BC) and cancer mortality, since it modifies patients' serum antioxidant capacity, body composition and biochemical parameters. The aim of the study was to investigate whether a dietary intervention based on MD has a beneficial effect on these factors. METHODS: In this intervention study, seventy female BC survivors were randomly assigned to (1) the intervention group (personalized dietary intervention based on MD) and (2) the control group (received the updated American Cancer Society Guidelines on Nutrition and Physical Activity for Cancer Prevention and ad libitum diet)...
June 20, 2017: European Journal of Nutrition
https://www.readbyqxmd.com/read/28634592/euglycemic-diabetic-ketoacidosis-with-prolonged-glucosuria-associated-with-the-sodium-glucose-cotransporter-2-canagliflozin
#6
Daniel A Kelmenson, Kelsey Burr, Yusra Azhar, Paul Reynolds, Chelsea A Baker, Neda Rasouli
Sodium-glucose cotransporter-2 (SGLT2) inhibitors improve glycemic control by a reversible inhibition of the sodium-glucose cotransporters in the renal proximal tubules resulting in increased urinary glucose. This unique mechanism, independent of insulin secretion and beta cell function, has made this class of medication desirable in patients with type 2 diabetes. However in May 2015, the US Food and Drug Administration issued a safety warning pertaining to the development of diabetic ketoacidosis (DKA) with the use of SGLT2 inhibitors...
April 2017: Journal of Investigative Medicine High Impact Case Reports
https://www.readbyqxmd.com/read/28634587/exercise-metabolism-in-nonobese-patients-with-type-2-diabetes-following-the-acute-restoration-of-normoglycaemia
#7
Christopher J Gaffney, Peter Mansell, Francis B Stephens, Ian A Macdonald, Kostas Tsintzas
This study investigated how acute restoration of normoglycaemia affected energy metabolism during exercise in nonobese patients with type 2 diabetes. Six subjects (mean ± SEM) aged 56.2 ± 2.7 years, with a BMI of 24.5 ± 1.5 kg/m(2) and a VO2 peak of 28.7 ml/kg/min, attended the lab on two randomised occasions for a four-hour resting infusion of insulin or saline, followed by 30 minutes cycling at 50% VO2 peak. During the 4 h resting infusion, there was a greater (P < 0.0001) reduction in blood glucose in insulin treatment (INS) (from 11...
2017: Journal of Diabetes Research
https://www.readbyqxmd.com/read/28634381/impact-of-initial-active-engagement-in-self-monitoring-with-a-telemonitoring-device-on-glycemic-control-among-patients-with-type-2-diabetes
#8
Min-Kyung Lee, Kwang-Hyeon Lee, Seung-Hyun Yoo, Cheol-Young Park
This study aimed to investigate the effect of patient engagement in self-monitoring with a telemonitoring device on glycemic control among patients with type 2 diabetes. We conducted a subanalysis of the telemonitoring device study in Kaiser Permanente Northern California members. We divided the telemonitoring group into 53 frequent and 54 infrequent users based on self-monitoring of blood glucose (SMBG) frequency of the first 6 weeks. The frequency of SMBG transmitted from the telemonitoring device was examined over 24 weeks...
June 20, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28634176/impact-of-glycemic-variability-on-chromatin-remodeling-oxidative-stress-and-endothelial-dysfunction-in-type-2-diabetic-patients-with-target-hba1c-levels
#9
Sarah Costantino, Francesco Paneni, Rodolfo Battista, Lorenzo Castello, Giuliana Capretti, Sergio Chiandotto, Luigi Tanese, Giulio Russo, Dario Pitocco, Gaetano A Lanza, Massimo Volpe, Thomas F Lüscher, Francesco Cosentino
Intensive glycemic control (IGC) targeting HbA1c fails to show an unequivocal reduction of macrovascular complications in type 2 diabetes (T2D), however the underlining mechanisms remain elusive. Epigenetic changes are emerging as important mediators of cardiovascular damage and may play a role in this setting. This study investigates whether epigenetic regulation of the adaptor protein p66(Shc), a key driver of mitochondrial oxidative stress, contributes to persistent vascular dysfunction in T2D patients despite IGC...
June 20, 2017: Diabetes
https://www.readbyqxmd.com/read/28633537/extensive-assessment-of-blood-glucose-monitoring-during-postprandial-period-and-its-impact-on-closed-loop-performance
#10
Lyvia Biagi, Arthur Hirata Bertachi, Ignacio Conget, Carmen Quirós, Marga Giménez, F Javier Ampudia-Blasco, Paolo Rossetti, Jorge Bondia, Josep Vehí
BACKGROUND: Closed-loop (CL) systems aims to outperform usual treatments in blood glucose control and continuous glucose monitors (CGM) are a key component in such systems. Meals represents one of the main disturbances in blood glucose control, and postprandial period (PP) is a challenging situation for both CL system and CGM accuracy. METHODS: We performed an extensive analysis of sensor's performance by numerical accuracy and precision during PP, as well as its influence in blood glucose control under CL therapy...
June 1, 2017: Journal of Diabetes Science and Technology
https://www.readbyqxmd.com/read/28632946/emerging-biomarkers-of-illness-severity-urinary-metabolites-associated-with-sepsis-and-necrotizing-methicillin-resistant-staphylococcus-aureus-pneumonia
#11
Lilliam Ambroggio, Todd A Florin, Samir S Shah, Richard Ruddy, Larisa Yeomans, Julie Trexel, Kathleen A Stringer
STUDY OBJECTIVE: To illustrate the potential of metabolomics to identify novel biomarkers of illness severity in a child with fatal necrotizing pneumonia caused by methicillin-resistant Staphylococcus aureus (MRSA). DESIGN: Case report with two control groups and a metabolomics analysis. PATIENTS: An infant with fatal MRSA pneumonia, four children with influenza pneumonia (pneumonia control group), and seven healthy children with no known infections (healthy control group)...
June 20, 2017: Pharmacotherapy
https://www.readbyqxmd.com/read/28632902/impaired-hippocampal-glucose-metabolism-during-and-after-flurothyl-induced-seizures-in-mice-reduced-phosphorylation-coincides-with-reduced-activity-of-pyruvate-dehydrogenase
#12
Tanya S McDonald, Karin Borges
OBJECTIVE: To determine changes in glucose metabolism and the enzymes involved in the hippocampus ictally and postictally in the acute mouse flurothyl seizure model. METHODS: [U-(13) C]-Glucose was injected (i.p.) prior to, or following a 5 min flurothyl-induced seizure. Fifteen minutes later, mice were killed and the total metabolite levels and % (13) C enrichment were analyzed in the hippocampal formation using gas chromatography-mass spectrometry. Activities of key metabolic and antioxidant enzymes and the phosphorylation status of pyruvate dehydrogenase were measured, along with lipid peroxidation...
June 20, 2017: Epilepsia
https://www.readbyqxmd.com/read/28632873/screening-for-obesity-and-intervention-for-weight-management-in-children-and-adolescents-evidence-report-and-systematic-review-for-the-us-preventive-services-task-force
#13
Elizabeth A O'Connor, Corinne V Evans, Brittany U Burda, Emily S Walsh, Michelle Eder, Paula Lozano
Importance: Obesity is common in children and adolescents in the United States, is associated with negative health effects, and increases the likelihood of obesity in adulthood. Objective: To systematically review the benefits and harms of screening and treatment for obesity and overweight in children and adolescents to inform the US Preventive Services Task Force. Data Sources: MEDLINE, PubMed, PsycINFO, Cochrane Collaboration Registry of Controlled Trials, and the Education Resources Information Center through January 22, 2016; references of relevant publications; government websites...
June 20, 2017: JAMA: the Journal of the American Medical Association
https://www.readbyqxmd.com/read/28632765/ctrp3-is-a-novel-biomarker-for-diabetic-retinopathy-and-inhibits-hghl-induced-vcam-1-expression-in-an-ampk-dependent-manner
#14
Zheyi Yan, Jianli Zhao, Lu Gan, Yanqing Zhang, Rui Guo, Xiaoming Cao, Wayne Bond Lau, Xin Ma, Yajing Wang
OBJECTIVES: Diabetic retinopathy (DR) is a severe complication of chronic diabetes. The C1q/TNF-related protein family (CTRPs) has been demonstrated to exert protective effects against obesity and atherosclerosis in animal studies. Heretofore, the association between circulating CTRPs and DR patients has been unexplored. In the current study, we attempt to define this association, as well as the effect of CTRPs upon DR pathophysiology. DESIGN: The present investigation is a case control study that enrolled control subjects and type 2 diabetes mellitus (T2DM) patients diagnosed with DR...
2017: PloS One
https://www.readbyqxmd.com/read/28632748/trimetazidine-therapy-for-diabetic-mouse-hearts-subjected-to-ex-vivo-acute-heart-failure
#15
Emilene Breedt, Lydia Lacerda, M Faadiel Essop
Acute heart failure (AHF) is the most common primary diagnosis for hospitalized heart diseases in Africa. As increased fatty acid β-oxidation (FAO) during heart failure triggers detrimental effects on the myocardium, we hypothesized that trimetazidine (TMZ) (partial FAO inhibitor) offers cardioprotection under normal and obese-related diabetic conditions. Hearts were isolated from 12-14-week-old obese male and female diabetic (db/db) mice versus lean non-diabetic littermates (db/+) controls. The Langendorff retrograde isolated heart perfusion system was employed to establish an ex vivo AHF model: a) Stabilization phase-Krebs Henseleit buffer (10 mM glucose) at 100 mmHg (25 min); b) Critical Acute Heart Failure (CAHF) phase-(1...
2017: PloS One
https://www.readbyqxmd.com/read/28632422/risk-of-diabetes-and-dyslipidemia-during-clozapine-and-other-antipsychotic-drug-treatment-of-schizophrenia-in-iceland
#16
Oddur Ingimarsson, James H MacCabe, Magnús Haraldsson, Halldóra Jónsdóttir, Engilbert Sigurdsson
BACKGROUND: Type 2 diabetes (T2D) and raised blood lipids are associated with the use of antipsychotics, not least clozapine. AIMS: To describe the prevalence of high blood glucose levels, T2D, and dyslipidemia, in association with the use of clozapine or other antipsychotics in patients with schizophrenia in Iceland. METHOD: This study identified 188 patients treated with clozapine and 395 patients never treated with clozapine by searching the electronic health records of Landspitali, the National University Hospital...
June 20, 2017: Nordic Journal of Psychiatry
https://www.readbyqxmd.com/read/28632178/an-increased-dietary-supply-of-medium-chain-fatty-acids-during-early-weaning-in-rodents-prevents-excessive-fat-accumulation-in-adulthood
#17
Bert J M van de Heijning, Annemarie Oosting, Diane Kegler, Eline M van der Beek
Medium-chain fatty acids (MCFA) are a directly and readily absorbed source of energy. Exposure early-in-life to increased MCFA levels might affect development and impact (lipid) metabolism later in life. We tested whether an increased MCFA intake early-in-life positively affects adult body composition and metabolic status when challenged by a western-style diet (WSD). Male offspring of C57Bl/6j mice and Wistar rats were fed a control diet (CTRL; 10 w% fat, 14% MCFA) or a medium-chain triglycerides (MCT) diet with 20% MCFA until postnatal (PN) day 42, whereupon animals were fed a WSD (10 w% fat) until PN day 98...
June 20, 2017: Nutrients
https://www.readbyqxmd.com/read/28631849/experiences-of-closed-loop-insulin-delivery-among-pregnant-women-with-type-1-diabetes
#18
C Farrington, Z A Stewart, K Barnard, R Hovorka, H R Murphy
AIMS: To explore the experiences of pregnant women with Type 1 diabetes, and the relationships between perceptions of glucose control, attitudes to technology and glycaemic responses with regard to closed-loop insulin delivery. METHODS: We recruited 16 pregnant women with Type 1 diabetes [mean ± sd age 34.1 ± 4.6 years, duration of diabetes 23.6 ± 7.2 years, baseline HbA1c 51±5 mmol/mol (6.8 ± 0.6%)] to a randomized crossover trial of sensor-augmented pump therapy vs automated closed-loop therapy...
June 20, 2017: Diabetic Medicine: a Journal of the British Diabetic Association
https://www.readbyqxmd.com/read/28631820/dietary-intake-of-structured-lipids-with-different-contents-of-medium-chain-fatty-acids-on-obesity-prevention-in-c57bl-6j-mice
#19
Shengmin Zhou, Yueqiang Wang, Yuanrong Jiang, Zhongfei Zhang, Xiangjun Sun, Liangli Lucy Yu
Three medium- and long-chain triacylglycerols (MLCT) with different contents of medium-chain fatty acids (MCFA) (10% to 30%, w/w) were prepared and evaluated for their anti-obesity potential in C57BL/6J mice. The group fed with a high fat diet of MLCT containing 30% (w/w) MCFA showed significantly decreased body weight and fat mass (P < 0.05) relative to the control mice fed an obesity-inducing high fat rapeseed oil diet. In addition, serum parameters including triacylglycerols, total cholesterol, glucose, high-density lipoprotein cholesterol, low-density lipoprotein cholesterol, apolipoprotein A1 and apolipoprotein B in the treatment group fed with 30% (w/w) MCFA were close to those of mice fed with a low fat rapeseed oil diet, but significantly different (P < 0...
June 20, 2017: Journal of Food Science
https://www.readbyqxmd.com/read/28631813/high-fat-diet-attenuates-hyperglycemia-body-composition-changes-and-bone-loss-in-male-streptozotocin-induced-type-1-diabetic-mice
#20
Adriana Lelis Carvalho, Victoria E DeMambro, Anyonya R Guntur, Phuong Le, Kenichi Nagano, Roland Baron, Francisco José Albuquerque de Paula, Katherine J Motyl
There is a growing and alarming prevalence of obesity and the metabolic syndrome in type I diabetic patients (T1DM), particularly in adolescence. In general, low bone mass, higher fracture risk and increased marrow adipose tissue (MAT) are features of diabetic osteopathy in insulin deficient subjects. On the other hand, type 2 diabetes (T2DM) is associated with normal or high bone mass, a greater risk of peripheral fractures and no change in MAT. Therefore, we sought to determine the effect of weight gain on bone turnover in insulin deficient mice...
June 20, 2017: Journal of Cellular Physiology
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