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https://www.readbyqxmd.com/read/29679925/tocotrienol-rich-fraction-supplementation-reduces-hyperglycemia-induced-skeletal-muscle-damage-through-regulation-of-insulin-signaling-and-oxidative-stress-in-type-2-diabetic-mice
#1
Heaji Lee, Yunsook Lim
Chronic hyperglycemia induces impairment of muscle growth and development of diabetes mellitus (DM). Since skeletal muscle is the major site for disposal of ingested glucose, impaired glucose metabolism causes imbalance between protein synthesis and degradation which adversely affects physical mobility. In this study, we investigated the effect of tocotrienol-rich fraction (TRF) supplementation on skeletal muscle damage in diabetic mice. Diabetes was induced by a high-fat diet with streptozotocin (STZ) injection (100 mg/kg) in male C57BL/6J mice...
March 21, 2018: Journal of Nutritional Biochemistry
https://www.readbyqxmd.com/read/29679905/qing-brick-tea-qbt-aqueous-extract-protects-monosodium-glutamate-induced-obese-mice-against-metabolic-syndrome-and-involves-up-regulation-transcription-factor-nuclear-factor-erythroid-2-related-factor-2-nrf2-antioxidant-pathway
#2
Wenqi Gao, Changyi Xiao, Jun Hu, Biaoxin Chen, Chunyan Wang, Bangping Cui, Pengyi Deng, Jian Yang, Zhifang Deng
BACKGROUND: Qing brick tea (QBT), traditional and popular beverage for Chinese people, is an important post-fermentation dark tea. Our present study was performed to investigate the ameliorative effects of QBT aqueous extract on metabolic syndrome (Mets) in monosodium glutamate-induced obese mice and the potential mechanisms. METHOD: Monosodium glutamate-induced obese mice were used to evaluate the anti-Mets effects of QBT. Content levels of malonaldehyde (MDA), reactive oxygen species (ROS) and protein carbonylation, antioxidant enzyme activities of superoxide dismutase (SOD), glutathione peroxidase (GPx), catalase (CAT), glutathione reductase (GR) in the skeletal muscle were assessed by commercial kits, respectively...
April 18, 2018: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/29679630/high-irisin-levels-are-associated-with-better-glycemic-control-and-bone-health-in-children-with-type-1-diabetes
#3
Maria Felicia Faienza, Giacomina Brunetti, Lorenzo Sanesi, Graziana Colaianni, Monica Celi, Laura Piacente, Gabriele D'Amato, Ernestina Schipani, Silvia Colucci, Maria Grano
AIM: Irisin is a new peptide produced mainly by the skeletal muscle playing an important role both in glucose/energy homeostasis and bone metabolism. Childhood type 1 diabetes mellitus (T1DM) is associated with decreased bone mass. We aimed to evaluate irisin levels in TD1M children and their correlation with bone metabolism and glycaemic control. METHODS: Ninety-six T1DM subjects (12.2 ± 4 years), 56 on multiple daily injections (MDI), 40 on continuous subcutaneous insulin infusion (CSII), and 34 controls were included in the study...
April 18, 2018: Diabetes Research and Clinical Practice
https://www.readbyqxmd.com/read/29679542/treatments-for-diabetes-mellitus-type-ii-new-perspectives-regarding-the-possible-role-of-calcium-and-camp-interaction
#4
REVIEW
Diego Soares Carvalho, Alexandre Aparecido de Almeida, Aurélio Ferreira Borges, Diego Vannucci Campos
Diabetes mellitus (DM) is among the top ten causes of death worldwide. It is considered to be one of the major global epidemics of the 21st century, with a significant impact on public health budgets. DM is a metabolic disorder with multiple etiologies. Its pathophysiology is marked by dysfunction of pancreatic β-cells which compromises the synthesis and secretion of insulin along with resistance to insulin action in peripheral tissues (muscle and adipose). Subjects presenting insulin resistance in DM type 2 often also exhibit increased insulin secretion and hyperinsulinemia...
April 18, 2018: European Journal of Pharmacology
https://www.readbyqxmd.com/read/29679103/slc30a8-polymorphism-and-bmi-complement-hla-a-24-as-risk-factors-for-poor-graft-function-in-islet-allograft-recipients
#5
Else M Balke, Simke Demeester, DaHae Lee, Pieter Gillard, Robert Hilbrands, Ursule Van de Velde, Bart J Van der Auwera, Zhidong Ling, Bart O Roep, Daniël G Pipeleers, Bart Keymeulen, Frans K Gorus
AIMS/HYPOTHESIS: HLA-A*24 carriership hampers achievement of insulin independence in islet allograft recipients. However, less than half of those who fail to achieve insulin independence carry the allele. We investigated whether genetic polymorphism at the recipients' zinc transporter 8-encoding SLC30A8 gene (rs13266634) could complement their HLA-A*24 status in predicting functional graft outcome. METHODS: We retrospectively analysed data of a hospital-based patient cohort followed for 18 months post transplantation...
April 20, 2018: Diabetologia
https://www.readbyqxmd.com/read/29678908/the-lim-homeodomain-protein-isl1-mediates-the-function-of-tcf7l2-in-pancreatic-beta-cells
#6
Weijuan Shao, Vivian Szeto, Zhuolun Song, Lili Tian, Zhong-Ping Feng, Cristina M Nostro, Tianru Jin
Pancreatic β-cell Tcf7l2 deletion or its functional knockdown suggested the essential role of this Wnt pathway effector in controlling insulin secretion, glucose homeostasis, and β-cell gene expression. As the LIM homeodomain protein Isl1 is a suggested Wnt pathway downstream target, we hypothesize that it mediates metabolic functions of Tcf7l2. We aimed to determine the role of Isl1 in mediating the function of Tcf7l2 and the incretin hormone GLP-1 in pancreatic β-cells. Effect of dominant negative TCF7L2 (TCF7L2DN) mediated Wnt pathway functional knockdown on Isl1 expression was determined in βTCFDN mouse islets and in the rat insulinoma cell line INS-1 832/13...
April 20, 2018: Journal of Molecular Endocrinology
https://www.readbyqxmd.com/read/29678877/deferoxamine-ameliorates-adipocyte-dysfunction-by-modulating-iron-metabolism-in-ob-ob-mice
#7
Hong-Fa Yan, Zhao-Yu Liu, Zhi-Ang Guan, Chuang Guo
OBJECTIVE: The mechanisms underlying obesity and anti-obesity processes have garnered remarkable attention as potential therapeutic targets for obesity-associated metabolic syndromes. Our prior work has shown the healing efficacy of iron reduction therapies for hepatic steatosis in a rodent model of diabetes and obesity. In this study, we investigated how iron depletion by deferoxamine (DFO) affected adipocyte dysfunction in the epididymal adipose tissues of ob/ob mice. METHODS: Male ob/ob mice were assigned to either a vehicle-treated or DFO-treated group...
April 2018: Endocrine Connections
https://www.readbyqxmd.com/read/29678606/ketogenic-diet-high-intensity-interval-training-hiit-and-memory-training-in-the-treatment-of-mild-cognitive-impairment-a-case-study
#8
Kaitlyn Dahlgren, Kelly J Gibas
Alzheimer's disease (AD) deaths have increased by 89% since 2000. This alarming trajectory of neurological disease highlights the failure of current best practice. Deteriorating brain fuel supply is the nemesis of intact neurological health. Cerebral hypo-metabolism associated with AD occurs years before onset. Both the ketogenic diet and calorie restriction (fasting) lead to a compensatory rise in ketones to improve energy deficits in the brain derived from cerebral insulin resistance. Two forms of ketone bodies, β-hydroxybutyrate and acetoacetate, fuel the brain during starvation, fasting and strenuous exercise...
April 11, 2018: Diabetes & Metabolic Syndrome
https://www.readbyqxmd.com/read/29678570/overexpression-of-nrk1-ameliorates-diet-and-age-induced-hepatic-steatosis-and-insulin-resistance
#9
Rui Fan, Jing Cui, Feng Ren, Qingzhi Wang, Yanmei Huang, Bin Zhao, Lai Wei, Xinlai Qian, Xiwen Xiong
NAD+ is a co-enzyme in redox reactions and a substrate required for activity of various enzyme families, including Sirtuins and poly(ADP-ribose) polymerases. Dietary supplementation of NAD+ precursors nicotinamide mononucleotide (NMN) or nicotinamide riboside (NR) protects against metabolic disease, neurodegenerative disorders and age-related physiological decline in mammals. Here we sought to identify the roles of nicotinamide riboside kinase 1 (NRK1) plays in regulating hepatic NAD+ biosynthesis and lipid metabolism...
April 17, 2018: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/29678491/polycystic-ovary-syndrome-pcos-an-inflammatory-systemic-lifestyle-endocrinopathy
#10
REVIEW
Seema Patel
Polycystic ovary syndrome (PCOS) is an endocrine disorder, afflicting females of reproductive age. This syndrome leads to infertility, apart from a gamut of other metabolic co-morbidities such as insulin resistance, obesity, cardiovascular problems, including a litany of other health issues. PCOS is a polygenic, polyfactorial, systemic, inflammatory, dysregulated steroid state, autoimmune disease, manifesting largely due to lifestyle errors. The advent of biochemical tests and ultrasound scanning has enabled the detection of PCOS in the affected females...
April 17, 2018: Journal of Steroid Biochemistry and Molecular Biology
https://www.readbyqxmd.com/read/29678475/both-oophorectomy-and-obesity-impaired-solely-hippocampal-dependent-memory-via-increased-hippocampal-dysfunction
#11
Duangkamol Mantor, Wasana Pratchayasakul, Wanitchaya Minta, Wissuta Sutham, Siripong Palee, Jirapas Sripetchwandee, Sasiwan Kerdphoo, Thidarat Jaiwongkum, Sirawit Sriwichaiin, Warunsorn Krintratun, Nipon Chattipakorn, Siriporn C Chattipakorn
Our previous study demonstrated that obesity aggravated peripheral insulin resistance and brain dysfunction in the ovariectomized condition. Conversely, the effect of obesity followed by oophorectomy on brain oxidative stress, brain apoptosis, synaptic function and cognitive function, particularly in hippocampal-dependent and hippocampal-independent memory, has not been investigated. Our hypothesis was that oophorectomy aggravated metabolic impairment, brain dysfunction and cognitive impairment in obese rats...
April 17, 2018: Experimental Gerontology
https://www.readbyqxmd.com/read/29678347/the-incidence-and-risk-factors-associated-with-developing-symptoms-of-hypoglycemia-after-bariatric-surgery
#12
Clare J Lee, Todd T Brown, Michael Schweitzer, Thomas Magnuson, Jeanne M Clark
BACKGROUND: Hypoglycemia after bariatric surgery is an increasingly recognized metabolic complication associated with exaggerated secretion of insulin and gut hormones. OBJECTIVE: We sought to determine the incidence of hypoglycemic symptoms (hypo-sx) after bariatric surgery and characteristics of those affected compared with those unaffected. SETTING: University hospital. METHODS: We collected retrospective survey data from the patients who underwent bariatric surgery at a single center...
January 31, 2018: Surgery for Obesity and related Diseases: Official Journal of the American Society for Bariatric Surgery
https://www.readbyqxmd.com/read/29678227/humoral-and-cell-mediated-immune-responses-to-influenza-vaccination-in-equine-metabolic-syndrome-ems-horses
#13
Sarah Elzinga, Stephanie Reedy, Virginia D Barker, Thomas M Chambers, Amanda A Adams
Obesity is an increasing problem in the equine population with recent reports indicating that the percentage of overweight horses may range anywhere from 20.6-51%. Obesity in horses has been linked to more serious health concerns such as equine metabolic syndrome (EMS). EMS is a serious problem in the equine industry given its defining characteristics of insulin dysregualtion and obesity, as well as the involvement of laminitis. Little research however has been conducted to determine the effects of EMS on routine healthcare of these horses, in particular how they respond to vaccination...
May 2018: Veterinary Immunology and Immunopathology
https://www.readbyqxmd.com/read/29677638/gestational-glucocorticoid-exposure-disrupts-glucose-homeostasis-that-is-accompanied-by-increased-endoglin-and-dpp-4-activity-instead-of-gsk-3-in-rats
#14
Olufunto O Badmus, Olugbenga S Michael, Saheed Rabiu, Lawrence A Olatunji
Gestational glucocorticoid (GC) treatment has been associated with cardiometabolic disorder (CMD) in offspring's in later life. Elevated dipeptidyl peptidase-4 (DPP-4) activity, endoglin and glycogen synthase kinase-3 (GSK-3) has also been implicated in the development of insulin resistance (IR) and/or vascular inflammation. We aimed to investigate the impact of GC exposure on glucose metabolism and the circulating levels of inflammatory biomarkers, DPP-4 activity and GSK-3 in pregnant rats. Pregnant Wistar rats received either vehicle or dexamethasone (DEX; 0...
April 13, 2018: Environmental Toxicology and Pharmacology
https://www.readbyqxmd.com/read/29677540/ameliorating-effect-of-berbamine-on-hepatic-key-enzymes-of-carbohydrate-metabolism-in-high-fat-diet-and-streptozotocin-induced-type-2-diabetic-rats
#15
Sankaranarayanan Chandrasekaran, Nishanthi Ramajayam, Pugalendi Pachaiappan
BACKGROUND: Aberrations in the activities of key enzymes of carbohydrate metabolism is well documented in diabetes mellitus. Previous studies have shown that active ingredients in the extracts of Berberis aristata exhibits diverse pharmacological activities in animal models. OBJECTIVE: The present study was undertaken to investigate whether berbamine (BBM), an alkaloid from the roots of Berberis aristata can ameliorate the altered activities of carbohydrate metabolic enzymes in high fat diet (HFD)/streptozotocin (STZ) induced diabetic rats...
April 17, 2018: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/29677194/combined-intervention-of-swimming-plus-metformin-ameliorates-the-insulin-resistance-and-impaired-lipid-metabolism-in-murine-gestational-diabetes-mellitus
#16
Liping Huang, Pingping Yue, Xuefei Wu, Ting Yu, Yang Wang, Ji Zhou, Derun Kong, Keyang Chen
Gestational diabetes mellitus (GDM) has short- and long- term influence on pregnant women and fetus. Swimming, as an aerobic exercise, can effectively improve the blood glucose level in GDM, but the effect of mild swimming alone was not very substantial. Metformin, as an oral antidiabetic drug, has obvious hypoglycemic effect, and is economic also, but the long-term effect on pregnant women and fetus has not been completely clear. We hypothesize that combined intervention of mild swimming and low dose of metformin, may effectively reduce blood glucose, improve the pregnancy outcomes in GDM dams, but simultaneously avoiding the adverse effects caused by overdose of drug and impotence of mild swimming...
2018: PloS One
https://www.readbyqxmd.com/read/29677106/effect-of-propofol-continuous-rate-infusion-on-intravenous-glucose-tolerance-test-in-dogs
#17
Kenichi Maeda, Munehiro Iwasaki, Yuki Itou, Satomi Iwai, Shozo Okano
Hyperglycemia causes perioperative complications and many anesthetics impair glucose metabolism and cause hyperglycemia. We evaluated the effects of propofol on blood glucose metabolism and insulin secretion during an intravenous glucose tolerance test (IVGTT) in dogs. Blood glucose, insulin, triglyceride, cholesterol, and free fatty acid (FFA) levels were measured in dogs during IVGTT in a conscious state and under the effect of 2.0% isoflurane, low-concentration propofol (0.2 mg/kg/min), and high-concentration propofol (0...
April 20, 2018: Veterinary Sciences
https://www.readbyqxmd.com/read/29677013/low-carbohydrate-diets-for-the-treatment-of-obesity-and-type-2-diabetes
#18
Kevin D Hall, Stephanie T Chung
PURPOSE OF REVIEW: Summarize the physiological effects of low-carbohydrate diets as they relate to weight loss, glycemic control, and metabolic health. RECENT FINDINGS: Low-carbohydrate diets are at least as effective for weight loss as other diets, but claims about increased energy expenditure and preferential loss of body fat are unsubstantiated. Glycemic control and hyperinsulinemia are improved by low-carbohydrate diets, but insulin sensitivity and glucose-stimulated insulin secretion may be impaired, especially in the absence of weight loss...
April 18, 2018: Current Opinion in Clinical Nutrition and Metabolic Care
https://www.readbyqxmd.com/read/29676936/pediatric-metabolic-outcome-comparisons-based-on-a-spectrum-of-obesity-and-asthmatic-symptoms
#19
Ashley D Perdue, Lesley A Cottrell, Christa L Lilly, William A Gower, Brian A Ely, Brad Foringer, Melvin L Wright, William A Neal
RATIONALE: Asthma and obesity are two of the most prevalent public health issues for children in the U.S. Trajectories of both have roughly paralleled one another over the past several decades causing many to explore their connection to one another and to other associated health issues such as diabetes and dyslipidemia. Earlier models have commonly designated obesity as the central hub of these associations; however, more recent models have argued connections between pediatric asthma and other obesity-related metabolic conditions regardless of children's obesity risk...
April 20, 2018: Journal of Asthma: Official Journal of the Association for the Care of Asthma
https://www.readbyqxmd.com/read/29676049/moderate-weight-loss-improves-body-composition-and-metabolic-function-in-metabolically-unhealthy-lean-subjects
#20
Yu Chung Chooi, Cherlyn Ding, Zhiling Chan, John Choo, Suresh Anand Sadananthan, Navin Michael, Yijun Lee, S Sendhil Velan, Faidon Magkos
OBJECTIVE: Individuals who have "metabolically obese normal weight" (MONW) have an increased risk for cardiometabolic disease. Moderate weight loss has multiple benefits in people with obesity, but its effects in lean people are unknown. Thus, the effects of diet-induced 5% weight loss on body composition and metabolic function in MONW subjects were evaluated. METHODS: Total body fat, visceral adipose tissue (VAT) and subcutaneous abdominal adipose tissue (SAT) volumes, intrahepatic and intramyocellular lipid contents, insulin sensitivity (hyperinsulinemic-euglycemic clamp), glucose tolerance, and postprandial insulin secretion and clearance rates (mixed meal with minimal modeling) were measured before and after 4...
April 19, 2018: Obesity
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