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https://www.readbyqxmd.com/read/28092917/is-fat-mass-accretion-of-late-preterm-infants-associated-with-insulin-resistance
#1
Nadia Liotto, Maria Lorella Giannì, Francesca Taroni, Paola Roggero, Chiara Cristiana Condello, Anna Orsi, Camilla Menis, Riccardo Bonfanti, Fabio Mosca
BACKGROUND: Late preterm infants show a major fat mass accretion from birth to term. The contribution of preterm birth to the development of the metabolic syndrome is still under investigation. OBJECTIVES: To evaluate body composition changes in late preterm infants during the first 3 months and to investigate their insulin sensitivity and resistance. METHODS: We conducted an observational, longitudinal study. A total of 216 late preterm infants underwent body composition assessment using an air displacement plethysmograph at term and at 3 months of corrected age...
January 17, 2017: Neonatology
https://www.readbyqxmd.com/read/28092745/omija-fruit-ethanol-extract-improves-adiposity-and-related-metabolic-disturbances-in-mice-fed-a-high-fat-diet
#2
Hyo Jin Park, Hye-Jin Kim, Sang Ryong Kim, Myung-Sook Choi, Un Ju Jung
This study investigated the biological and molecular mechanisms underlying the antiobesity effect of omija fruit ethanol extract (OFE) in mice fed a high-fat diet (HFD). C57BL/6J mice were fed an HFD (20% fat, w/w) with or without OFE (500 mg/kg body weight) for 16 weeks. Dietary OFE significantly increased brown adipose tissue weight and energy expenditure while concomitantly decreasing white adipose tissue (WAT) weight and adipocyte size by up-regulating the expression of brown fat-selective genes in WAT...
January 9, 2017: Journal of Nutritional Biochemistry
https://www.readbyqxmd.com/read/28092161/estimation-of-ellagic-acid-and-or-repaglinide-effects-on-insulin-signaling-oxidative-stress-and-inflammatory-mediators-of-liver-pancreas-adipose-tissue-and-brain-in-insulin-resistant-type-2-diabetic-rats
#3
Mohamed M Amin, Mahmoud S Arbid
Even though ellagic acid has previously been valued in many models of cancer, so far its full mechanistic effect as a natural antiapoptotic agent in the prevention of type 2 diabetes complications has not been completely elucidated, which was the goal of this study. We fed albino rats a high-fat fructose diet (HFFD) for 2 months to induce insulin resistance/type 2 diabetes and then treated the rats with ellagic acid (10 mg/kg body weight, orally) and/or repaglinide (0.5 mg/kg body weight, orally) for 2 weeks...
October 21, 2016: Applied Physiology, Nutrition, and Metabolism, Physiologie Appliquée, Nutrition et Métabolisme
https://www.readbyqxmd.com/read/28091434/serum-obestatin-and-omentin-levels-in-patients-with-diabetic-nephropathy
#4
M Zorlu, M Kiskac, E M Güler, I Gültepe, E Yavuz, K Çelik, A Kocyigit
INTRODUCTION: Diabetic nephropathy is the leading cause of chronic kidney disease and accounts for almost 45% of all new patients requiring renal replacement therapy. Omentin and obestatin, two novel proteins were suggested to be associated with insulin resistance, type 2 diabetes and cardiovascular risk factors. Thus, we postulated that they may also have an association with diabetic nephropathy which is known to be an independent cardiovascular risk factor. In order to investigate such an association we compared serum omentin and obestatin levels in type 2 diabetic patients with normoalbuminuria (NA) and macroalbuminuria (MA)...
February 2017: Nigerian Journal of Clinical Practice
https://www.readbyqxmd.com/read/28091361/responses-of-plasma-glucose-metabolism-to-exogenous-insulin-infusion-in-sheep-fed-forage-herb-plantain-and-exposed-to-heat
#5
M Al-Mamun, K Shibuya, M Kajita, Y Tamura, H Sano
The use of herbal plants as traditional medicines has a century long history. Plantain (Plantago lanceolata L.) is a perennial herb containing bioactive components with free radical scavenging activities. An isotope dilution technique using [U-13C]glucose was conducted to determine the effect of plantain on the responses of plasma glucose metabolism to exogenous insulin infusion in sheep. Six crossbred sheep (three wethers and three ewes; mean initial BW=40±2 kg) were fed either a mixed hay of orchardgrass (Dactylis glomerata) and reed canarygrass (Phalaris arundinacea) (MH-diet) or mixed hay and fresh plantain (1 : 1 ratio, dry matter basis, PL-diet) and exposed to a thermoneutral (TN, 20°C; 70% relative humidity (RH)) environment or a heat exposure (HE, 30°C; 70% RH) for 5 days using a crossover design for two 23-day periods...
January 16, 2017: Animal: An International Journal of Animal Bioscience
https://www.readbyqxmd.com/read/28090680/validity-of-noninvasive-composite-scores-to-assess-cardiovascular-risk-in-10-year-old-children
#6
Ø Lerum, E Aadland, L B Andersen, S A Anderssen, G K Resaland
Agreement between and classification accuracy of six different noninvasive composite scores and a cardiovascular disease (CVD) risk factor score were investigated in 911 (466 boys and 445 girls) 10-year-old Norwegian children. A CVD risk factor score (triglyceride, total cholesterol/HDL ratio, homeostasis model assessment of insulin resistance, systolic blood pressure (SBP), waist-to-height ratio (WHtR), and cardiorespiratory fitness) and six noninvasive risk scores (fitness+three different measurements of fatness (body mass index (BMI), WHtR, and skinfolds), with and without inclusion of SBP) were calculated (mean z-score by gender)...
January 16, 2017: Scandinavian Journal of Medicine & Science in Sports
https://www.readbyqxmd.com/read/28090669/the-association-between-sclerostin-and-incident-type-2-diabetes-risk-a-cohort-study
#7
Oriana Hoi Yun Yu, Brent Richards, Claudie Berger, Robert G Josse, William D Leslie, David Goltzman, Stephanie M Kaiser, Christopher S Kovacs, K Shawn Davison
OBJECTIVE: To determine whether sclerostin is associated with fasting glucose, insulin levels, insulin resistance or increased risk of incident type 2 diabetes. BACKGROUND: Type 2 diabetic patients have a higher risk of fractures. Recent studies suggest sclerostin, a regulator of osteoblast activity, is associated with diabetes. MATERIALS AND METHODS: Sclerostin levels were obtained from 1,778 individuals with no history of type 2 diabetes participating in the population-based Canadian Multicentre Osteoporosis Study (CaMos) cohort...
January 15, 2017: Clinical Endocrinology
https://www.readbyqxmd.com/read/28090638/late-gestational-intermittent-hypoxia-induces-metabolic-and-epigenetic-changes-in-male-adult-offspring-mice
#8
Abdelnaby Khalyfa, Rene Cortese, Zhuanhong Qiao, Honggang Ye, Riyue Bao, Jorge Andrade, David Gozal
Pregnancy, particularly late gestation, has been associated with a relatively high prevalence of obstructive sleep apnea (OSA). Intermittent hypoxia (IH), a hallmark of OSA, could impose significant long-term effects on somatic growth, energy homeostasis, and metabolic function in offspring. We hypothesized that IH during late pregnancy (LG-IH) may increase the propensity for metabolic dysregulation and obesity in adult offspring via epigenetic modifications. Time-pregnant female C57BL/6 mice were exposed to LG-IH or room air (LG-RA) during days 13-18 of gestation...
January 15, 2017: Journal of Physiology
https://www.readbyqxmd.com/read/28090470/acanthosis-nigricans-as-a-clinical-predictor-of-insulin-resistance-in-obese-children
#9
Young Kwon Koh, Jae Hee Lee, Eun Young Kim, Kyung Rye Moon
PURPOSE: This study aimed to evaluate the utility of acanthosis nigricans (AN) severity as an index for predicting insulin resistance in obese children. METHODS: The subjects comprised 74 obese pediatric patients who attended the Department of Pediatrics at Chosun University Hospital between January 2013 and March 2016. Waist circumference; body mass index; blood pressure; fasting glucose and fasting insulin levels; lipid profile; aspartate transaminase, alanine transaminase, glycated hemoglobin, C-peptide, and uric acid levels; and homeostatic model assessment insulin resistance (HOMA-IR) and quantitative insulin check sensitivity index (QUICKI) scores were compared between subjects with AN and those without AN...
December 2016: Pediatric Gastroenterology, Hepatology & Nutrition
https://www.readbyqxmd.com/read/28090342/-1-h-mrs-measured-ectopic-fat-in-liver-and-muscle-is-associated-with-the-metabolic-syndrome-in-danish-girls-but-not-in-boys-with-overweight-and-obesity
#10
A Nissen, C E Fonvig, E Chabanova, C Bøjsøe, C Trier, O Pedersen, T Hansen, H S Thomsen, J-C Holm
BACKGROUND: The metabolic syndrome (MetS) is a complication to overweight and obesity, which can be observed already in childhood. Ectopic lipid accumulation in muscle and liver has been shown to associate with the development of insulin resistance and dyslipidemia. Thus, the interaction between MetS and ectopic fat may offer clinical relevance. OBJECTIVES: To investigate the prevalence of MetS, or components hereof, and ectopic fat accumulation in liver and skeletal muscle tissue in children, as well as interactions between these...
December 2016: Obesity Science & Practice
https://www.readbyqxmd.com/read/28089867/attenuation-of-obesity-induced-inflammation-in-mice-orally-administered-with-salmon-cartilage-proteoglycan-a-prophylactic-agent
#11
Shouhei Hirose, Krisana Asano, Akio Nakane
Obesity is associated with chronic inflammation of adipose tissue and causes development of type 2 diabetes. M1 macrophage population was increased in adipose tissue of obese mouse. M1 macrophages induce insulin resistance through the secretion of proinflammatory cytokines. Our previous studies demonstrated that salmon cartilage proteoglycan (PG) suppresses excess inflammation in various mouse inflammatory diseases. In this study, we examined the effect of PG on type 2 diabetes using high-fat-diet (HFD) induced obese mouse model...
January 12, 2017: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/28089828/nitrite-increases-glucose-stimulated-insulin-secretion-and-islet-insulin-content-in-obese-type-2-diabetic-male-rats
#12
Sevda Gheibi, Fatemeh Bakhtiarzadeh, Sajad Jeddi, Khadijeh Farrokhfall, Homeira Zardooz, Asghar Ghasemi
PURPOSE: Reduced bioavailability of nitric oxide (NO) is associated with pathogenesis of type 2 diabetes. Nitrite can act as a substrate for generation of systemic NO. The aim of this study was to examine the effects of nitrite administration on glucose-stimulated insulin secretion (GSIS) and islet insulin content in obese type 2 diabetic rats. METHODS: Male rats were divided into 4 groups: Control, control + nitrite, diabetes, and diabetes + nitrite. Sodium nitrite (50 mg/L in drinking water) was administered for 8 weeks...
January 9, 2017: Nitric Oxide: Biology and Chemistry
https://www.readbyqxmd.com/read/28089725/high-concentration-of-branched-chain-amino-acids-promotes-oxidative-stress-inflammation-and-migration-of-human-peripheral-blood-mononuclear-cells-via-mtorc1-activation
#13
Olha Zhenyukh, Esther Civantos, Marta Ruiz-Ortega, María Soledad Sánchez, Clotilde Vázquez, Concepción Peiró, Jesús Egido, Sebastián Mas
Leucine, isoleucine and valine are essential aminoacids termed branched-chain amino acids (BCAA) due to its aliphatic side-chain. In several pathological and physiological conditions increased BCAA plasma concentrations have been described. Elevated BCAA levels predict insulin resistance development. Moreover, BCAA levels higher than 2mmol/L are neurotoxic by inducing microglial activation in maple syrup urine disease. However, there are no studies about the direct effects of BCAA in circulating cells. We have explored whether BCAA could promote oxidative stress and pro-inflammatory status in peripheral blood mononuclear cells (PBMCs) obtained from healthy donors...
January 12, 2017: Free Radical Biology & Medicine
https://www.readbyqxmd.com/read/28089435/jejunal-gluconeogenesis-associated-with-insulin-resistance-level-and-its-evolution-after-roux-en-y-gastric-bypass
#14
Carolina Gutierrez-Repiso, Sara Garcia-Serrano, Francisco J Moreno-Ruiz, Guillermo Alcain-Martinez, Francisca Rodriguez-Pacheco, Eduardo Garcia-Fuentes
BACKGROUND: Intestinal gluconeogenesis (GNG) may play an important role in glucose homeostasis, but there is little information about the condition in humans. OBJECTIVES: To study the relationship between intestinal GNG and insulin resistance, its association with the evolution of morbidly obese patients after bariatric surgery, and the effect of insulin and or leptin. SETTING: Regional university hospital, Malaga (Spain). METHODS: Jejunal mRNA expression of genes involved in GNG was analyzed in 3 groups of morbidly obese patients who underwent Roux-en-Y gastric bypass: with low insulin resistance (MO-low-IR), with high insulin resistance (MO-high-IR), and with type 2 diabetes treated with metformin (MO-metf-T2D)...
December 2, 2016: Surgery for Obesity and related Diseases: Official Journal of the American Society for Bariatric Surgery
https://www.readbyqxmd.com/read/28089395/royal-jelly-ameliorates-diet-induced-obesity-and-glucose-intolerance-by-promoting-brown-adipose-tissue-thermogenesis-in-mice
#15
Takeshi Yoneshiro, Ryuji Kaede, Kazuki Nagaya, Julia Aoyama, Mana Saito, Yuko Okamatsu-Ogura, Kazuhiro Kimura, Akira Terao
INTRODUCTION: Identification of thermogenic food ingredients is potentially a useful strategy for the prevention of obesity and related metabolic disorders. It has been reported that royal jelly (RJ) supplementation improves insulin sensitivity; however, its impacts on energy expenditure and adiposity remain elusive. We investigated anti-obesity effects of RJ supplementation and their relation to physical activity levels and thermogenic capacities of brown (BAT) and white adipose tissue (WAT)...
January 11, 2017: Obesity Research & Clinical Practice
https://www.readbyqxmd.com/read/28088959/-effect-of-exendin-4-on-lipid-deposition-in-skeletal-muscle-of-diet-induced-obese-mice-and-its-underlying-mechanism
#16
H Y Cao, F Xu, Z L Chen, B S Lin, X B Zheng, S H Yuan, H Liang, J P Weng
Objective: To investigate the effect of exendin-4, a glucagon-like peptide-1 (GLP-1) receptor agonist, on reducing lipid deposition and improving insulin resistance in skeletal muscle and the underlying mechanisms in high-fat diet (HFD)-induced obese mice. Methods: Twelve male C57BL/6J mice were challenged with HFD for 12 weeks to induce obesity and then randomly divided into two groups: exendin-4 group (intraperitoneal injection of 24 nmol·kg(-1)·d(-1) exendin-4 for 4 weeks) and HFD group (intraperitoneal injection of normal saline for 4 weeks), with 6 mice in each group...
January 10, 2017: Zhonghua Yi Xue za Zhi [Chinese medical journal]
https://www.readbyqxmd.com/read/28088910/sodium-glucose-cotransporter-2-inhibitors-sglt2i-their-role-in-cardiometabolic-risk-management
#17
Niki Katsiki, Dimitri P Mikhailidis, Michael J Theodorakis
BACKGROUND: Sodium-glucose cotransporter 2 inhibitors (SGLT2i) are a novel category of oral antidiabetic drugs that inhibit renal glucose reabsorption and increase renal glucose excretion, thus lowering plasma glucose levels. This unique mechanism of SGLT2i action is insulin independent, thus improving glycemic control without promoting hypoglycemia in the absence of exogenously administered insulin. METHODS: The present narrative review addresses the putative associations between SGLT2i and several cardiovascular (CV) and microvascular risk factors, as well as their effects on cardiac and renal function...
January 13, 2017: Current Pharmaceutical Design
https://www.readbyqxmd.com/read/28088892/interventions-to-reduce-cardiovascular-risk-in-children-with-type-1-diabetes
#18
Jose A Canas, Samuel S Gidding, Nelly Mauras
Despite recent advances in improved glycemic control, the magnitude of lifetime risk from premature cardiovascular disease in individuals with type 1 diabetes remains at least 10 fold higher than in the general population. The availability of lipoprotein fractionation has allowed the spotlight for this increased risk to shift from dysglycemia to diabetes-induced dyslipidemia associated with insulin resistance. Interventions designed to simultaneously improve both factors can have distinct and additive effects on slowing the initiation and progression of atherosclerotic lesions...
January 13, 2017: Current Diabetes Reviews
https://www.readbyqxmd.com/read/28088621/4-hydroxynonenal-causes-impairment-of-human-subcutaneous-adipogenesis-and-induction-of-adipocyte-insulin-resistance
#19
Mohamed A Elrayess, Shamma Almuraikhy, Wael Kafienah, Afnan Al-Menhali, Fatima Al-Khelaifi, Moataz Bashah, Kamelija Zarkovic, Neven Zarkovic, Georg Waeg, Mohammed Alsayrafi, Morana Jaganjac
OBJECTIVE: Increased adipose production of 4-hydroxynonenal (4-HNE), a bioreactive aldehyde, directly correlates with obesity and insulin resistance. The aim of this study was to elucidate the impact of 4-HNE in mediating adipocyte differentiation and function in two metabolically distinct obese groups; the insulin sensitive (IS) and the insulin resistant (IR). METHODS: Subcutaneous (SC) adipose tissues were obtained from eighteen clinically well characterized obese premenopausal women undergoing weight reduction surgery...
January 12, 2017: Free Radical Biology & Medicine
https://www.readbyqxmd.com/read/28088613/adipocyte-and-epidermal-fatty-acid-binding-protein-serum-concentrations-in-patients-with-lipodystrophy
#20
Konstanze Miehle, Thomas Ebert, Susan Kralisch, Annett Hoffmann, Jürgen Kratzsch, Haiko Schlögl, Michael Stumvoll, Mathias Fasshauer
OBJECTIVE: Lipodystrophy (LD) syndromes are associated with diabetes mellitus, hypertriglyceridemia, and coronary artery disease. One pathogenetic factor of LD is dysregulation of several adipokines. However, the insulin resistance- and dyslipidemia-promoting adipokines adipocyte (AFABP) and epidermal (EFABP) fatty acid-binding protein have not been investigated in non-HIV-associated LD so far. MATERIAL AND METHODS: We performed a cross-sectional analysis of AFABP and EFABP serum concentrations in 37 LD patients and 37 age-, gender-, and body mass index-matched healthy controls...
January 12, 2017: Cytokine
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