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Metabolic obesity

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https://www.readbyqxmd.com/read/28432848/trends-in-the-prevalence-of-extreme-obesity-among-korean-children-and-adolescents-from-2001-to-2014
#1
Hyo-Kyoung Nam, Hye Ryun Kim, Young-Jun Rhie, Kee-Hyoung Lee
BACKGROUND: We assessed nationwide trends in extreme obesity prevalence and its impact on metabolic syndrome in Korean youth. METHODS: Data from 19,593 youth (10,271 boys) aged 2-19 were obtained from the Korean National Health and Nutrition Examination Surveys (2001-2014). The prevalence of extreme obesity and the odds ratio of metabolic syndrome were calculated. Questionnaires on body weight perceptions and weight control behaviors were administered. RESULTS: The prevalence of extreme obesity increased significantly among boys (p<0...
April 22, 2017: Journal of Pediatric Endocrinology & Metabolism: JPEM
https://www.readbyqxmd.com/read/28432716/deciphering-tacrolimus-induced-toxicity-in-pancreatic-%C3%AE-cells
#2
J Triñanes, A E Rodriguez-Rodriguez, Y Brito, A Wagner, A P J De Vries, G Cuesto, A Acebes, E Salido, A Torres, E Porrini
β-cell transcription factors like: FoxO1, MafA, PDX-1, NeuroD, are dysfunctional in type 2 diabetes (T2DM). PTDM resembles T2DM and reflects interaction between pre-transplant insulin resistance and immunosuppressants, mainly calcineurin inhibitors. We evaluated the effect of tacrolimus, cyclosporine-A and metabolic stressors (glucose+palmitate) on insulinoma β-cells (INS-1) in vitro and in pancreata of obese and lean Zucker rats. Cells were cultured for five days with 100μM palmitate and 22mM glucose; cyclosporin-A (250ng/mL) or tacrolimus (15ng/mL) were added the last 48h...
April 22, 2017: American Journal of Transplantation
https://www.readbyqxmd.com/read/28432575/liver-transplantation-the-role-of-metabolic-syndrome
#3
REVIEW
Brian C Davis, M Shadab Siddiqui
The long-term survival in liver transplant recipients (LTRs) is currently at an historical high level stemming from improvement in perioperative care, infection control, and immunosuppression medications. However, compared to the general population, LTRs have decreased survival. Metabolic diseases like hypertension, dyslipidemia, type 2 diabetes, and obesity are key determinants of long-term mortality in LTRs. The incidence and prevalence of these metabolic comorbidities is considerably higher in LTRs and likely results from a combination of factors including exposure to chronic immunosuppression, weight gain, and recurrence of chronic liver disease after liver transplantation (LT)...
April 21, 2017: Current Treatment Options in Gastroenterology
https://www.readbyqxmd.com/read/28432400/-the-intestinal-microbiome-and-metabolic-diseases-from-obesity-to-diabetes-and-nonalcoholic-steatohepatitis
#4
S C Bischoff
BACKGROUND: The intestinal microbiome consists of about 10 million genes, many of which encode digestive enzymes. This explains why animal and human experiments revealed that the intestinal microbiome adapts to food intake and optimizes energy harvest from food. This function is considered beneficial in states of lack of food, but following overnutrition, it might support the development of obesity. OBJECTIVES: The relevance of the intestinal microbiome for the pathogenesis of obesity and associated metabolic diseases such as fatty liver disease and type 2 diabetes mellitus and for the clinical management of such diseases shall be discussed...
April 21, 2017: Der Internist
https://www.readbyqxmd.com/read/28431619/age-sex-and-race-ethnic-temporal-trends-in-metabolic-syndrome-prevalence-among-individuals-with-myocardial-infarction-or-stroke-in-the-united-states
#5
Alain Lekoubou, Bruce Ovbiagele, Daniela Markovic, Nerses Sanossian, Amytis Towfighi
INTRODUCTION: Metabolic syndrome (MetS), an independent risk factor for myocardial infarction (MI) and stroke, affects 1 in 3 adults in the United States. Recent trends in MetS prevalence among MI and stroke survivors are unknown. METHODS: We assessed age, sex, race/ethnicity, and socio-economic status specific trends in rates of MetS among adults ≥18years who participated in National Health and Nutrition Examination Surveys 1999-2010 and who fasted for 8h (n=12,502)...
May 15, 2017: Journal of the Neurological Sciences
https://www.readbyqxmd.com/read/28431377/metabolic-regulation-and-the-anti-obesity-perspectives-of-human-brown-fat
#6
REVIEW
Camilla Scheele, Søren Nielsen
Activation of brown adipose tissue (BAT) in adult humans increase glucose and fatty acid clearance as well as resting metabolic rate, whereas a prolonged elevation of BAT activity improves insulin sensitivity. However, substantial reductions in body weight following BAT activation has not yet been shown in humans. This observation raise the possibility for feedback mechanisms in adult humans in terms of a brown fat-brain crosstalk, possibly mediated by batokines, factors produced by and secreted from brown fat...
April 11, 2017: Redox Biology
https://www.readbyqxmd.com/read/28430962/ulk1-prevents-cardiac-dysfunction-in-obesity-through-autophagy-meditated-regulation-of-lipid-metabolism
#7
Minae An, Dong-Ryeol Ryu, Jang Won Park, Ji Ha Choi, Eun-Mi Park, Kyung Eun Lee, Minna Woo, Minsuk Kim
Aims: Autophagy is essential to maintain tissue homeostasis, particularly in long-lived cells such as cardiomyocytes. Whereas many studies support the importance of autophagy in the mechanisms underlying obesity-related cardiac dysfunction, the role of autophagy in cardiac lipid metabolism remains unclear. In the heart, lipotoxicity is exacerbated by cardiac lipoprotein lipase (LPL), which mediates accumulation of fatty acids to the heart through intravascular triglyceride (TG) hydrolysis...
April 17, 2017: Cardiovascular Research
https://www.readbyqxmd.com/read/28430653/preventive-effects-of-the-sodium-glucose-cotransporter-2-inhibitor-tofogliflozin-on-diethylnitrosamine-induced-liver-tumorigenesis-in-obese-and-diabetic-mice
#8
Koki Obara, Yohei Shirakami, Akinori Maruta, Takayasu Ideta, Tsuneyuki Miyazaki, Takahiro Kochi, Hiroyasu Sakai, Takuji Tanaka, Mitsuru Seishima, Masahito Shimizu
Sodium glucose cotransporter 2 inhibitors are expected to ameliorate the abnormalities associated with metabolic syndrome including non-alcoholic fatty liver disease. In this study, we investigated the effects of the sodium glucose cotransporter 2 inhibitor tofogliflozin on the development of non-alcoholic fatty liver disease-related liver tumorigenesis in C57BL/KsJ-+Leprdb/+Leprdb obese and diabetic mice. The direct effects of tofogliflozin on human liver cancer cell proliferation were also evaluated. Mice were administered diethylnitrosamine-containing water for 2 weeks and were treated with tofogliflozin throughout the experiment...
April 6, 2017: Oncotarget
https://www.readbyqxmd.com/read/28430139/the-metalloproteinase-adam28-promotes-metabolic-dysfunction-in-mice
#9
Lakshini Herat, Caroline Rudnicka, Yasunori Okada, Satsuki Mochizuki, Markus Schlaich, Vance Matthews
Obesity and diabetes are major causes of morbidity and mortality globally. The current study builds upon our previous association studies highlighting that A Disintegrin And Metalloproteinase 28 (ADAM28) appears to be implicated in the pathogenesis of obesity and type 2 diabetes in humans. Our novel study characterised the expression of ADAM28 in mice with the metabolic syndrome and used molecular inhibition approaches to investigate the functional role of ADAM28 in the pathogenesis of high fat diet-induced obesity...
April 21, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28429895/interleukin-6-and-resistin-in-relation-to-anthropometric-measurements-in-school-children
#10
Carolina Del Pilar Escalona-Villasmil, Jorymar Yoselyn Leal-Montiel, Pablo Antonio Ortega-Fernindez, Carlos Javier Chavez
The worldwide prevalence of childhood obesity has increased greatly over the past three decades. The increasing occurrence in children of disorders, such as type 2 diabetes, is believed to be a consequence of this obesity epidemic. Although the precise mechanisms are still unclear, dysregulated production or secretion of adipokines caused by excess adipose tissue and adipose tissue dysfunction can contribute to the development of obesity-related me- tabolic diseases. The objective of the study was to determine the serum levels of interleukin-6 and resistin in relation to anthropometric measurements in school children...
June 2016: Investigación Clínica
https://www.readbyqxmd.com/read/28429777/interleukin-6-increases-the-expression-and-activity-of-insulin-degrading-enzyme
#11
Mirian A Kurauti, José M Costa-Júnior, Sandra M Ferreira, Gustavo J Santos, Carlos H G Sponton, Everardo M Carneiro, Guilherme D Telles, Mara P T Chacon-Mikahil, Cláudia R Cavaglieri, Luiz F Rezende, Antonio C Boschero
Impairment of the insulin-degrading enzyme (IDE) is associated with obesity and type 2 diabetes mellitus (T2DM). Here, we used 4-mo-old male C57BL/6 interleukin-6 (IL-6) knockout mice (KO) to investigate the role of this cytokine on IDE expression and activity. IL-6 KO mice displayed lower insulin clearance in the liver and skeletal muscle, compared with wild type (WT), due to reduced IDE expression and activity. We also observed that after 3-h incubation, IL-6, 50 and 100 ng ml(-1), increased the expression of IDE in HEPG2 and C2C12 cells, respectively...
April 21, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28429701/-microbiota-and-metabolic-syndrome
#12
Yüksel Altuntaş, Adnan Batman
The role of gut bacteria in the pathogenesis and treatment of various diseases has been a focus of attention in the last 10 years. Prevalence of diabetes, obesity, and cardiovascular diseases continues to increase, in spite of technological developments and treatment alternatives. Microbial dysbiosis, described as the decrease of useful bacteria and the increase of harmful bacteria, has been associated with diabetes, obesity, atherosclerosis, and metabolic syndrome. In microbial dysbiosis, increase of harmful metabolites and changes to composition of bile acids occur via carbohydrate and protein fermentation...
April 2017: Türk Kardiyoloji Derneği Arşivi: Türk Kardiyoloji Derneğinin Yayın Organıdır
https://www.readbyqxmd.com/read/28429577/investigating-general-medication-prescription-by-general-practitioners-during-a-12-month-randomized-controlled-weight-loss-trial
#13
N R Fuller, N S Lau, T P Markovic, I D Caterson
Much healthcare expenditure is on pharmaceutical drugs. Expenditure on medications has increased both in absolute terms, and as a proportion of total health expenditure. No previous studies have investigated the prescribing costs by general practitioners when managing patients during a weight loss intervention. This study evaluated the medication costs by individual class during a 1-year study in which 268 participants were randomized to one of two weight loss programmes, either standard care (SC) as defined by national guidelines, or a commercial provider (Weight Watchers) (CP)...
April 20, 2017: Clinical Obesity
https://www.readbyqxmd.com/read/28429404/air-pollution-weight-loss-and-metabolic-benefits-of-bariatric-surgery-a-potential-model-for-study-of-metabolic-effects-of-environmental-exposures
#14
R Ghosh, W J Gauderman, H Minor, H A Youn, F Lurmann, K R Cromar, L Chatzi, B Belcher, C R Fielding, R McConnell
BACKGROUND: Emerging experimental evidence suggests that air pollution may contribute to development of obesity and diabetes, but studies of children are limited. OBJECTIVES: We hypothesized that pollution effects would be magnified after bariatric surgery for treatment of obesity, reducing benefits of surgery. METHODS: In 75 obese adolescents, excess weight loss (EWL), high-density lipoprotein (HDL) cholesterol, triglycerides, alkaline phosphatase (ALP) and hemoglobin A1c (HbA1c ) were measured prospectively at baseline and following laparoscopic adjustable gastric banding (LAGB)...
April 21, 2017: Pediatric Obesity
https://www.readbyqxmd.com/read/28429344/up-regulation-of-microrna-367-promotes-liver-steatosis-through-repressing-tbl1-in-obese-mice
#15
D-D Li, Y Liu, L Xue, D-Y Su, W-Y Pang
OBJECTIVE: Increasing evidence has demonstrated that microRNAs (miRNAs) play a critical role in the progression of metabolic disorders, including obesity-induced non-alcoholic fatty liver disease (NAFLD). In the present study, the expression and function of miR-367 were investigated. MATERIALS AND METHODS: C57BL/6 male mice aged 8 weeks were fed with a normal diet (ND) or high-fat-diet (HFD). The expression levels of miR-367 were analyzed in livers from two groups of mice by quantitative real-time PCR...
April 2017: European Review for Medical and Pharmacological Sciences
https://www.readbyqxmd.com/read/28429150/short-term-high-fat-diet-induces-obesity-enhancing-changes-in-mouse-gut-microbiota-that-are-partially-reversed-by-cessation-of-the-high-fat-diet
#16
Yue Shang, Ehsan Khafipour, Hooman Derakhshani, Lindsei K Sarna, Connie W Woo, Yaw L Siow, Karmin O
The gut microbiota is proposed as a "metabolic organ" involved in energy utilization and is associated with obesity. Dietary intervention is one of the approaches for obesity management. Changes in dietary components have significant impacts on host metabolism and gut microbiota. In the present study, we examined the influence of dietary fat intervention on the modification of gut mucosa-associated microbiota profile along with body weight and metabolic parameter changes. Male C57BL/6J mice (6-week old) were fed a low fat diet (10% kcal fat) as a control or a high fat diet (HFD 60% kcal fat) for 7 weeks...
April 20, 2017: Lipids
https://www.readbyqxmd.com/read/28429080/effect-of-gpr84-deletion-on-obesity-and-diabetes-development-in-mice-fed-long-chain-or-medium-chain-fatty-acid-rich-diets
#17
Eugene Du Toit, Liam Browne, Helen Irving-Rodgers, Helen M Massa, Nicolette Fozzard, Michael P Jennings, Ian R Peak
PURPOSE: Although there is good evidence showing that diets rich in medium chain fatty acids (MCFAs) have less marked obesogenic and diabetogenic effects than diets rich in long chain fatty acids (LCFAs), the role of the pro-inflammatory, medium chain fatty acid receptor (GPR84) in the aetiology of obesity and glucose intolerance is not well characterised. We set out to determine whether GPR84 expression influences obesity and glucose intolerance susceptibility in MCFA and LCFA rich diet fed mice...
April 20, 2017: European Journal of Nutrition
https://www.readbyqxmd.com/read/28428756/neck-circumference-is-associated-with-muscle-sympathetic-nerve-activity-in-overweight-and-obese-men-but-not-women
#18
Nora E Straznicky, Mariee T Grima, Carolina I Sari, Nina Eikelis, Paul J Nestel, John B Dixon, Gavin W Lambert, Markus P Schlaich, Sarah E Phillips, Elisabeth A Lambert
Background: Neck circumference (NC) is a predictor of cardiometabolic risk. The objective of this study was to explore the relationship of NC to muscle sympathetic nerve activity (MSNA) within an overweight and obese population. Methods: The study design was a retrospective cross-sectional analysis. Un-medicated persons (72 men, 53 postmenopausal women) aged 56 ± 1 years (mean ± SEM) with body mass index (BMI) 32.8 ± 0.4 kg/m(2), were studied. NC was measured together with traditional anthropometric measures, supine blood pressure, fasting blood lipids, insulin, and glucose...
2017: Frontiers in Physiology
https://www.readbyqxmd.com/read/28428634/lipid-droplets-and-liver-disease-from-basic-biology-to-clinical-implications
#19
REVIEW
Nina L Gluchowski, Michel Becuwe, Tobias C Walther, Robert V Farese
Lipid droplets are dynamic organelles that store neutral lipids during times of energy excess and serve as an energy reservoir during deprivation. Many prevalent metabolic diseases, such as the metabolic syndrome or obesity, often result in abnormal lipid accumulation in lipid droplets in the liver, also called hepatic steatosis. Obesity-related steatosis, or NAFLD in particular, is a major public health concern worldwide and is frequently associated with insulin resistance and type 2 diabetes mellitus. Here, we review the latest insights into the biology of lipid droplets and their role in maintaining lipid homeostasis in the liver...
April 21, 2017: Nature Reviews. Gastroenterology & Hepatology
https://www.readbyqxmd.com/read/28428363/phlpp-a-putative-cellular-target-during-insulin-resistance-and-type-2-diabetes
#20
Alpana Mathur, Vivek Kumar Pandey, Poonam Kakkar
Progressive research in the past decade converges to the impact of PHLPP (Pleckstrin homology domain and leucine rich repeat protein phosphatase) in regulating the cellular metabolism through PI3K/Akt inhibition. Defects in the PKB/Akt signaling coordinates with impaired insulin secretion and insulin resistance, identified during T2D, obesity and cardiovascular disorders which brings in the relevance of PHLPPs in the metabolic paradigm. In this review, we discuss the impact of PHLPP isoforms in insulin signaling and its associated cellular events including mitochondrial dysfunction, DNA damage, autophagy and cell death...
April 20, 2017: Journal of Endocrinology
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