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https://www.readbyqxmd.com/read/28637315/attenuated-effects-of-bile-acids-on-glucose-metabolism-and-insulin-sensitivity-in-a-male-mouse-model-of-prenatal-undernutrition
#1
Huijuan Ma, Vicencia M Sales, Ashley R Wolf, Sathish Subramanian, Tucker J Matthews, Michael Chen, Aparna Sharma, Walt Gall, Wim Kulik, David E Cohen, Yusuke Adachi, Nicholas W Griffin, Jeffrey I Gordon, Mary-Elizabeth Patti, Elvira Isganaitis
Prenatal undernutrition and low birth weight are associated with risk of type 2 diabetes and obesity. Prenatal caloric restriction results in low birth weight, glucose intolerance, obesity, and reduced plasma bile acids (BA) in offspring mice. Since BAs can regulate systemic metabolism and glucose homeostasis, we hypothesized that BA supplementation could prevent diet-induced obesity and glucose intolerance in this model of developmental programming. Pregnant dams were food restricted by 50% from gestational days 12...
June 15, 2017: Endocrinology
https://www.readbyqxmd.com/read/28637222/risk-factors-for-the-development-of-delayed-tsh-elevation-in-neonatal-intensive-care-unit-nicu-newborns
#2
Amnon Zung, Rachel Bier Palmon, Agneta Golan, Mara Troitzky, Smadar Eventov-Friedman, Ronella Marom, Rimona Keidar, Neri Kats, Shlomo Almashanu, Orna Flidel-Rimon
Context: Delayed TSH elevation (dTSH) is defined as elevated TSH in the second neonatal screen (following normal TSH in the initial screen) in premature, low-birth-weight and sick newborns, mostly in the neonatal intensive care unit (NICU) setting. The pathogenesis of dTSH is elusive. Objective: To identify risk factors for dTSH development among newborns in the NICU. Design: setting and patients: A retrospective chart review of neonates with dTSH was conducted in eight university-affiliated NICUs...
June 20, 2017: Journal of Clinical Endocrinology and Metabolism
https://www.readbyqxmd.com/read/28637103/-the-development-of-hepatocellular-carcinoma-in-non-alcoholic-fatty-liver-disease
#3
REVIEW
Oh Sang Kwon, Joon Hwan Kim, Ju Hyun Kim
Non-alcoholic fatty liver disease (NAFLD) may be one of the important causes of cryptogenic hepatocellular carcinoma (HCC). NAFLD-related HCCs (NAFLD-HCCs) have the following clinical features: high body mass index, deranged lipid profiles, diabetes mellitus, hypertension, and metabolic syndrome. Among them, obesity, diabetes mellitus, and high Fe contents in the liver are risk factors of developing HCC in patients with NAFLD. Inflammatory cytokines, adipokines, insulin like growth factor-I, and lipotoxicity are intermingled and may cross react with each other to develop HCC...
June 25, 2017: Korean Journal of Gastroenterology, Taehan Sohwagi Hakhoe Chi
https://www.readbyqxmd.com/read/28637102/-the-progression-of-liver-fibrosis-in-non-alcoholic-fatty-liver-disease
#4
REVIEW
Moon Young Kim
Understanding the pathogenesis of non-alcoholic steatohepatitis (NASH) and its fibrosis progression is still evolving. Nonetheless, current evidence suggests that mechanisms involved are very complex parallel processes with multiple metabolic factors. Lipotoxicity related with excess saturated free fatty acids, obesity, and insulin resistance acts as the central driver of cellular injury via oxidative stress. Hepatocyte apoptosis and/or senescence are also contribute to the activation of inflammasome via various intra- and inter-cellular signaling mechanisms that lead to fibrosis...
June 25, 2017: Korean Journal of Gastroenterology, Taehan Sohwagi Hakhoe Chi
https://www.readbyqxmd.com/read/28636773/comparison-of-different-insulin-pump-makes-under-routine-care-conditions-in-adults-with-type-1-diabetes
#5
L Leelarathna, S A Roberts, A Hindle, K Markakis, T Alam, A Chapman, J Morris, A Urwin, P Jinadev, M K Rutter
AIMS: To compare long-term HbA1c changes associated with different insulin pumps during routine care in a large cohort of adults with Type 1 diabetes representative of other clinic populations. METHODS: Observational, retrospective study of 508 individuals starting pump therapy between 1999 and 2014 (mean age, 40 years; 55% women; diabetes duration, 20 years; 94% Type 1 diabetes; median follow-up, 3.7 years). Mixed linear models compared covariate-adjusted HbA1c changes associated with different pump makes...
June 21, 2017: Diabetic Medicine: a Journal of the British Diabetic Association
https://www.readbyqxmd.com/read/28636758/fetal-overnutrition-and-offspring-insulin-resistance-and-%C3%AE-cell-function-the-exploring-perinatal-outcomes-among-children-epoch-study
#6
K A Sauder, C W Hockett, B M Ringham, D H Glueck, D Dabelea
AIMS: To examine the associations of intrauterine exposure to maternal diabetes and obesity with offspring insulin resistance, β-cell function and oral disposition index in a longitudinal observational study of ethnically diverse offspring. METHODS: A total of 445 offspring who were exposed (n=81) or not exposed (n=364) to maternal diabetes in utero completed two fasting blood measurements at mean (sd) ages of 10.5 (1.5) and 16.5 (1.2) years, respectively, and an oral glucose tolerance test at the second visit...
June 21, 2017: Diabetic Medicine: a Journal of the British Diabetic Association
https://www.readbyqxmd.com/read/28636750/comparison-of-serum-vaspin-levels-and-vaspin-expression-in-adipose-tissue-and-smooth-muscle-tissue-in-pregnant-women-with-and-without-gestational-diabetes
#7
Yuping Tang, Ping Qiao, Xiaoxian Qu, Yirong Bao, Yuhong Li, Yini Liao, Hao Ying
OBJECTIVE: Vaspin is associated with metabolic parameters and insulin resistance. However, the expression of vaspin in visceral adipose tissue (VAT) in pregnant women with gestational diabetes mellitus (GDM) has not been fully explored, and the contribution of vaspin to the biological mechanisms underlying GDM remains unclear. This study aimed to compare circulating vaspin levels and its expression in different insulin target tissues including subcutaneous adipose tissue (SAT), VAT, and smooth muscle tissue (SMT) in pregnant women with and without GDM...
June 21, 2017: Clinical Endocrinology
https://www.readbyqxmd.com/read/28636668/microbiota-in-anorexia-nervosa-the-triangle-between-bacterial-species-metabolites-and-psychological-tests
#8
Francesca Borgo, Alessandra Riva, Alberto Benetti, Maria Cristina Casiraghi, Sara Bertelli, Stefania Garbossa, Simona Anselmetti, Silvio Scarone, Antonio E Pontiroli, Giulia Morace, Elisa Borghi
Anorexia nervosa (AN) is a psychiatric disease with devastating physical consequences, with a pathophysiological mechanism still to be elucidated. Metagenomic studies on anorexia nervosa have revealed profound gut microbiome perturbations as a possible environmental factor involved in the disease. In this study we performed a comprehensive analysis integrating data on gut microbiota with clinical, anthropometric and psychological traits to gain new insight in the pathophysiology of AN. Fifteen AN women were compared with fifteen age-, sex- and ethnicity-matched healthy controls...
2017: PloS One
https://www.readbyqxmd.com/read/28636637/plasma-kisspeptin-levels-are-associated-with-insulin-secretion-in-nondiabetic-individuals
#9
Francesco Andreozzi, Gaia Chiara Mannino, Elettra Mancuso, Rosangela Spiga, Francesco Perticone, Giorgio Sesti
To evaluate if plasma kisspeptin concentrations are associated with insulin secretion, as suggested by recent in vitro studies, independently of confounders. 261 nondiabetic subjects were stratified into tertiles according to kisspeptin values. Insulin secretion was assessed using indexes derived from oral glucose tolerance test (OGTT). After adjusting for age, gender, and BMI, subjects in the highest (tertile 3) kisspeptin group exhibited significantly lower values of insulinogenic index, corrected insulin response (CIR30), and Stumvoll indexes for first-phase and second-phase insulin release as compared with low (tertile 1) or intermediate (tertile 2) kisspeptin groups...
2017: PloS One
https://www.readbyqxmd.com/read/28636624/metabolically-healthy-obesity-is-associated-with-higher-prevalence-of-colorectal-adenoma
#10
Dong Hyun Sinn, Yang Won Min, Hee Jung Son, Poong-Lyul Rhee, Seung Woon Paik, Sung Noh Hong, Geum-Youn Gwak
BACKGROUND: The risk of colorectal adenoma (CRA), an important precursor of colorectal cancer, is largely unknown among obese individuals without obesity-related metabolic abnormalities, a condition described as metabolically-healthy obese (MHO). The aim of this study was to examine the association among metabolic status, the different categories of body mass index (BMI), and CRA in a large cohort of adults. METHODS: We analyzed the association among metabolic status, BMI categories and CRA in asymptomatic adults who underwent a first-time colonoscopy as part of the comprehensive health check-up program at the Health Promotion Center of Samsung Medical Center, from January 2005 to December 2012...
2017: PloS One
https://www.readbyqxmd.com/read/28636569/diabetic-ketoacidosis-associated-with-antipsychotic-drugs-case-reports-and-a-review-of-literature
#11
Antonia Vuk, Martina Rojnic Kuzman, Maja Baretic, Martina Matovinovic Osvatic
BACKGROUND: Second generation antipsychotics (SGAs) are associated with metabolic disturbances. Diabetic ketoacidosis (DKA) is a rare, but potentially fatal sign of acute glucose metabolism dysregulation linked to the use of SGAs. The aims of this article are to present patients with a history of psychotic disorders and of severe metabolic diabetic ketoacidosis, possibly associated with the use of antipsychotics, and to review the current literature on the topic of antipsychotic-induced DKA...
June 2017: Psychiatria Danubina
https://www.readbyqxmd.com/read/28636414/non-dipping-status-and-selected-adipokines-concentration-in-children-with-primary-arterial-hypertension
#12
Agnieszka Jędzura, Piotr Adamczyk, Omar Bjanid, Elżbieta Świętochowska, Dagmara Roszkowska-Bjanid, Anna Baraniecka, Beata Banaszak, Krzysztof Plesiński, Aurelia Morawiec-Knysak, Katarzyna Ziora, Maria Szczepańska
High blood pressure (BP) in children and adolescents is associated with increased risk of persistent hypertension (HT) in adulthood and, consequently, cardiovascular disease and target organ damage. AIM: The values of selected anthropometric parameters and laboratory test results including leptin and apelin concentration were evaluated with regard to averaged values of office BP measurements and 24-hour ABPM. MATERIAL AND METHODS: The study included 55 children: 23-with primary HT and coexisting overweight or obese (HT-OB), 16-with primary HT and normal weight (HT-NW), and 16 healthy children (C)...
June 21, 2017: Clinical and Experimental Hypertension: CHE
https://www.readbyqxmd.com/read/28636047/decoding-the-regulatory-mechanism-of-glucose-and-insulin-induced-phosphatidylinositol-3-4-5-trisphosphate-dynamics-in-%C3%AE-cells
#13
Tagari Samanta, Peeyush Sharma, Dwijendra Kukri, Sandip Kar
In MIN6 pancreatic β-cells, glucose and insulin act in a synergistic manner to regulate the dynamics of Phosphatidylinositol (3,4,5)-trisphosphate (PIP3). However, the precise regulatory mechanism behind such an experimentally observed synergy is poorly understood. In this article, we propose a phenomenological mathematical model for studying the glucose and insulin driven PIP3 activation dynamics under various stimulatory conditions to unfold the mechanism responsible for the observed synergy. The modeling study reveals that the experimentally observed oscillation in PIP3 dynamics with disparate time scales for different external glucose doses is mainly orchestrated by the complex dynamic regulation of cytosolic Ca(2+) in β-cells...
June 21, 2017: Molecular BioSystems
https://www.readbyqxmd.com/read/28635658/asperentin-b-a-new-inhibitor-of-the-protein-tyrosine-phosphatase-1b
#14
Jutta Wiese, Hülya Aldemir, Rolf Schmaljohann, Tobias A M Gulder, Johannes F Imhoff
In the frame of studies on secondary metabolites produced by fungi from deep-sea environments we have investigated inhibitors of enzymes playing key roles in signaling cascades of biochemical pathways relevant for the treatment of diseases. Here we report on a new inhibitor of the human protein tyrosine phosphatase 1B (PTP1B), a target in the signaling pathway of insulin. A new asperentin analog is produced by an Aspergillussydowii strain isolated from the sediment of the deep Mediterranean Sea. Asperentin B (1) contains an additional phenolic hydroxy function at C-6 and exhibits an IC50 value against PTP1B of 2 μM in vitro, which is six times stronger than the positive control, suramin...
June 21, 2017: Marine Drugs
https://www.readbyqxmd.com/read/28635632/glucose-and-lipid-dysmetabolism-in-a-rat-model-of-prediabetes-induced-by-a-high-sucrose-diet
#15
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/28635626/adiponectin-a-therapeutic-target-for-obesity-diabetes-and-endothelial-dysfunction
#16
REVIEW
Arunkumar E Achari, Sushil K Jain
Adiponectin is the most abundant peptide secreted by adipocytes, whose reduction plays a central role in obesity-related diseases, including insulin resistance/type 2 diabetes and cardiovascular disease. In addition to adipocytes, other cell types, such as skeletal and cardiac myocytes and endothelial cells, can also produce this adipocytokine. Adiponectin effects are mediated by adiponectin receptors, which occur as two isoforms (AdipoR1 and AdipoR2). Adiponectin has direct actions in liver, skeletal muscle, and the vasculature...
June 21, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28635611/modulatory-effects-of-naringin-on-hepatic-key-enzymes-of-carbohydrate-metabolism-in-high-fat-diet-low-dose-streptozotocin-induced-diabetes-in-rats
#17
Leelavinothan Pari, Ramasamy Chandramohan
We evaluated the modulatory effects of naringin on altered hepatic key enzymes of carbohydrate metabolism in high-fat diet/low-dose streptozotocin-induced diabetic rats. Oral treatment of naringin at a doses of 20, 40 and 80 mg/kg body weight to diabetic rats for 30 days resulted in a significant reduction in the levels of plasma glucose, blood glycosylated hemoglobin and increase in the levels of plasma insulin and blood hemoglobin. The altered activities of the hepatic key enzymes of carbohydrate metabolism such as hexokinase, glucose-6-phosphatase, fructose-1,6-bisphosphatase, glucose-6-phosphate dehydrogenase, glycogen synthase, glycogen phosphorylase and glycogen content of diabetic rats were significantly reverted to near normal levels by the treatment of naringin in a dose-dependent manner...
July 2017: General Physiology and Biophysics
https://www.readbyqxmd.com/read/28635562/nanoformulated-natural-therapeutics-for-management-of-streptozotocin-induced-diabetes-potential-use-of-curcumin-nanoformulation
#18
Yousra M El-Far, Mahmoud M Zakaria, Mahmoud M Gabr, Amal M El Gayar, Laila A Eissa, Ibrahim M El-Sherbiny
AIM: The goal of this study was to improve curcumin (CUR) aqueous solubility and bioavailability via nanoformulation, and then study its activity and mechanism of action as an antidiabetic agent. METHODS: CUR-loaded pluronic nanomicelles (CURnp) were prepared and characterized. Biochemical assessments were performed as well as histological, confocal and RTPCR studies on pancreatic target tissues. RESULTS: CURnp with a diameter of 333 ± 6 nm and ζ potential of -26...
June 21, 2017: Nanomedicine
https://www.readbyqxmd.com/read/28635334/timing-of-food-intake-during-simulated-night-shift-impacts-glucose-metabolism-a-controlled-study
#19
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
#20
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
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