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https://www.readbyqxmd.com/read/28087813/ethnic-differences-in-anthropometric-measures-and-abdominal-fat-distribution-a-cross-sectional-pooled-study-in-inuit-africans-and-europeans
#1
Pernille F Rønn, Gregers S Andersen, Torsten Lauritzen, Dirk L Christensen, Mette Aadahl, Bendix Carstensen, Marit E Jørgensen
BACKGROUND: Ethnic variation in abdominal fat distribution may explain differences in cardiometabolic risk between populations. However, the ability of anthropometric measures to quantify abdominal fat is not clearly understood across ethnic groups. The aim of this study was to investigate the associations between anthropometric measures and visceral (VAT) and subcutaneous abdominal adipose tissue (SAT) in Inuit, Africans and Europeans. METHODS: We combined cross-sectional data from 3 studies conducted in Greenland, Kenya and Denmark using similar methodology...
January 13, 2017: Journal of Epidemiology and Community Health
https://www.readbyqxmd.com/read/28087595/is-epicardial-fat-depot-associated-with-atrial-fibrillation-a-systematic-review-and-meta-analysis
#2
Maddalena Gaeta, Francesco Bandera, Federico Tassinari, Capasso Lorenzo, Miriam Cargnelutti, Gabriele Pelissero, Alexis Elias Malavazos, Cristian Ricci
AIMS: Atrial fibrillation (AF) is the leading rhythm disorder in western countries. A direct relationship between left atrium (LA) enlargement and electromechanical remodelling has been established. A causative link between epicardial fat (EF), visceral adipose tissue deposited around the heart, and AF has been hypothesized. Several reports suggested the association between EF and the presence of AF. The aim of this study was to verify the relationship between AF and EF depot, performing a meta-analysis of observational case series studies...
January 13, 2017: Europace: European Pacing, Arrhythmias, and Cardiac Electrophysiology
https://www.readbyqxmd.com/read/28077863/what-have-human-experimental-overfeeding-studies-taught-us-about-adipose-tissue-expansion-and-susceptibility-to-obesity-and-metabolic-complications
#3
REVIEW
D J Cuthbertson, T Steele, J P Wilding, J C G Halford, J A Harrold, M Hamer, F Karpe
Overfeeding experiments, in which we impose short-term positive energy balance, help unravel the cellular, physiological and behavioural adaptations to nutrient excess. These studies mimic longer-term mismatched energy expenditure and intake. There is considerable inter-individual heterogeneity in the magnitude of weight gain when exposed to similar relative caloric excess reflecting variable activation of compensatory adaptive mechanisms. Significantly, given similar relative weight gain, individuals may be protected from/predisposed to metabolic complications (insulin resistance, dyslipidaemia, hypertension), non-alcoholic fatty liver disease and cardiovascular disease...
January 12, 2017: International Journal of Obesity: Journal of the International Association for the Study of Obesity
https://www.readbyqxmd.com/read/28076453/ferulic-acid-lowers-body-weight-and-visceral-fat-accumulation-via-modulation-of-enzymatic-hormonal-and-inflammatory-changes-in-a-mouse-model-of-high-fat-diet-induced-obesity
#4
T S de Melo, P R Lima, K M M B Carvalho, T M Fontenele, F R N Solon, A R Tomé, T L G de Lemos, S G da Cruz Fonseca, F A Santos, V S Rao, M G R de Queiroz
Previous studies have reported on the glucose and lipid-lowering effects of ferulic acid (FA) but its anti-obesity potential has not yet been firmly established. This study investigated the possible anti-obesitogenic effects of FA in mice fed a high-fat diet (HFD) for 15 weeks. To assess the antiobesity potential of FA, 32 male Swiss mice, weighing 20-25 g (n=6-8 per group) were fed a normal diet (ND) or HFD, treated orally or not with either FA (10 mg/kg) or sibutramine (10 mg/kg) for 15 weeks and at the end of this period, the body weights of animals, visceral fat accumulation, plasma levels of glucose and insulin hormone, amylase and lipase activities, the satiety hormones ghrelin and leptin, and tumor necrosis factor-α (TNF-α) and monocyte chemoattractant protein-1 (MCH-1) were analyzed...
January 5, 2017: Brazilian Journal of Medical and Biological Research, Revista Brasileira de Pesquisas Médicas e Biológicas
https://www.readbyqxmd.com/read/28071718/reproducibility-and-repeatability-of-computer-tomography-based-measurement-of-abdominal-subcutaneous-and-visceral-adipose-tissues
#5
Yuan-Hao Lee, Hsing-Fen Hsiao, Hou-Ting Yang, Shih-Yi Huang, Wing P Chan
Excessive accumulation of abdominal adipose tissue is a widely recognized as a major feature of obesity, and it can be quantified by dual-energy x-ray absorptiometry (DXA). However, in a phantom study, the inter- and intra-instrument reliability of DXA remains unpredictable. Thus, we attempted to determine the precision of estimates from computer tomography-based measurements and analysis with AZE Virtual Place software. To determine the inter-rater reproducibility and intra-rater repeatability of adipose tissue area estimates, we used the automatic boundary-tracing function of the AZE Virtual Place to generate cross-sectional areas of subcutaneous and visceral adipose tissues from the abdomen of reconstructed CT images...
January 10, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28070205/plasticity-of-adipose-tissue-in-response-to-fasting-and-refeeding-in-male-mice
#6
Hao-Neng Tang, Chen-Yi Tang, Xiao-Fei Man, Shu-Wen Tan, Yue Guo, Jun Tang, Ci-La Zhou, Hou-De Zhou
BACKGROUND: Fasting is the most widely prescribed and self-imposed strategy for treating excessive weight gain and obesity, and has been shown to exert a number of beneficial effects. The aim of the present study was to determine the exact role of fasting and subsequent refeeding on fat distribution in mice. METHODS: C57/BL6 mice fasted for 24 to 72 h and were then subjected to refeeding for 72 h. At 24, 48 and 72 h of fasting, and 12, 24, 48 and 72 h of refeeding, the mice were sacrificed, and serum and various adipose tissues were collected...
2017: Nutrition & Metabolism
https://www.readbyqxmd.com/read/28069727/the-obesity-paradox-in-cancer-moving-beyond-bmi
#7
EDITORIAL
Shlomit Strulov Shachar, Grant R Williams
Body mass index (BMI) and simple counts of weight are easy and available tools in the clinic and in research. Recent studies have shown that cancer patients with a low normal BMI (or those with weight loss) have worse outcomes than obese patients. These results suggest that obesity has a protective effect and has been termed the "obesity paradox." In this commentary, we discuss hypothetical explanations and take a step beyond BMI or simple weights alone to present other useful and more specific body composition metrics, such as muscle tissue mass, visceral fat mass, and subcutaneous fat mass...
January 2017: Cancer Epidemiology, Biomarkers & Prevention
https://www.readbyqxmd.com/read/28067892/impact-of-type-1-diabetes-mellitus-and-celiac-disease-on-nutrition-and-quality-of-life
#8
J G Nunes-Silva, V S Nunes, R P Schwartz, S Mlss Trecco, D Evazian, M L Correa-Giannella, M Nery, M S Queiroz
OBJECTIVE: Type 1 diabetes mellitus (T1DM) and celiac disease (CD) are autoimmune diseases and have similar genetic patterns. T1DM treatment is based on diet, physical activity and insulin therapy, whereas CD depends on dietary changes with restriction of wheat, rye and barley. The aim of the study was to evaluate the quality of life (QoL) of individuals with the association of T1DM and CD, to characterize their nutritional status and to compare it with those with only one disease and healthier controls...
January 9, 2017: Nutrition & Diabetes
https://www.readbyqxmd.com/read/28065595/the-influence-of-selenium-status-on-body-composition-oxidative-dna-damage-and-total-antioxidant-capacity-in-newly-diagnosed-type-2-diabetes-mellitus-a-case-control-study
#9
Fatimah Binti Othman, Hamid Jan Bin Jan Mohamed, K N S Sirajudeen, Mohd Fairulnizal B Md Noh, Nor Fadilah Rajab
Selenium is involved in the complex system of defense against oxidative stress in diabetes through its biological function of selenoproteins and the antioxidant enzyme. A case-control study was carried out to determine the association of plasma selenium with oxidative stress and body composition status presented in Type 2 Diabetes Mellitus (T2DM) patient and healthy control. This study involved 82 newly diagnosed T2DM patients and 82 healthy controls. Plasma selenium status was determined with Graphite Furnace Atomic Absorption Spectrometry...
December 29, 2016: Journal of Trace Elements in Medicine and Biology
https://www.readbyqxmd.com/read/28063601/bone-marrow-fat-content-is-correlated-with-hepatic-fat-content-in-paediatric-non-alcoholic-fatty-liver-disease
#10
N Y Yu, T Wolfson, M S Middleton, G Hamilton, A Gamst, J E Angeles, J B Schwimmer, C B Sirlin
AIM: To investigate the relationship between bone marrow fat content and hepatic fat content in children with known or suspected non-alcoholic fatty liver disease (NAFLD). MATERIALS AND METHODS: This was an institutional review board-approved, Health Insurance Portability and Accountability Act (HIPAA)-compliant, cross-sectional, prospective analysis of data collected between October 2010 to March 2013 in 125 children with known or suspected NAFLD. Written informed consent was obtained for same-day research magnetic resonance imaging (MRI) of the lumbar spine, liver, and abdominal adiposity...
January 4, 2017: Clinical Radiology
https://www.readbyqxmd.com/read/28063476/short-communication-immunohistochemical-localization-of-the-immune-cell-marker-cd68-in-bovine-adipose-tissue-impact-of-tissue-alterations-and-excessive-fat-accumulation-in-dairy-cows
#11
S Häussler, D Germeroth, L Laubenthal, L F Ruda, J Rehage, S Dänicke, H Sauerwein
With the onset of lactation energy from feed intake is mostly insufficient to meet the requirements of dairy cows. Lipid mobilization from adipose tissue (AT) could lead to a compromised inflammatory response enhancing the incidence for diseases. In addition, tissue alterations can occur, displaying areas of necrosis and inflammation. Furthermore, over-conditioned cows mobilizing more lipids from AT than thin cows are prone to develop metabolic disorders. This might lead to an increased infiltration of phagocytic immune cells into AT...
January 2017: Veterinary Immunology and Immunopathology
https://www.readbyqxmd.com/read/28063251/perivascular-adipose-tissue-inflammation-in-vascular-disease
#12
REVIEW
Ryszard Nosalski, Tomasz J Guzik
Perivascular adipose tissue (PVAT) plays a critical role in the pathogenesis of cardiovascular disease. In vascular pathologies perivascular adipose tissue increases in volume and becomes dysfunctional, with altered cellular composition and molecular characteristics. PVAT dysfunction is characterized by its inflammatory character, oxidative stress, diminished production of vaso-protective adipocyte derived relaxing factors (ADRFs) and increased production of paracrine factors such as resistin, leptin, cytokines (IL-6, TNF-α) and chemokines (RANTES, MCP-1)...
January 7, 2017: British Journal of Pharmacology
https://www.readbyqxmd.com/read/28062546/the-clinical-importance-of-quantifying-fat-distribution-during-androgen-deprivation
#13
Stephen John Foulkes, Robin M Daly, Steve Fraser
Androgen deprivation therapy (ADT) is now considered a mainstay in the treatment of metastatic and locally advanced prostate cancer (PCa). Despite well-established benefits of ADT in relation to overall survival, this treatment has been associated with a number of adverse effects, particularly with regard to key cardiometabolic risk factors including the development of insulin resistance, dyslipidaemia and increases in total and regional fat mass. In non-ADT populations, increased levels of visceral adipose tissue (VAT) are thought to be a key mediator of the increased cardiometabolic risk associated with weight gain, but this has received limited attention in men treated with ADT...
January 6, 2017: Endocrine-related Cancer
https://www.readbyqxmd.com/read/28062507/brown-adipose-tissue-regulates-small-artery-function-through-nadph-oxidase-4-derived-hydrogen-peroxide-and-redox-sensitive-protein-kinase-g-1%C3%AE
#14
Malou Friederich-Persson, Aurelie Nguyen Dinh Cat, Patrik Persson, Augusto C Montezano, Rhian M Touyz
OBJECTIVE: Biomedical interest in brown adipose tissue (BAT) has increased since the discovery of functionally active BAT in adult humans. Although white adipose tissue (WAT) influences vascular function, vascular effects of BAT are elusive. Thus, we investigated the regulatory role and putative vasoprotective effects of BAT, focusing on hydrogen peroxide, nicotinamide adenine dinucleotide phosphate oxidase 4 (Nox4), and redox-sensitive signaling. APPROACH AND RESULTS: Vascular reactivity was assessed in wild-type and Nox4-knockout mice (Nox4(-/-)) by wire myography in the absence and presence of perivascular adipose tissue of different phenotypes from various adipose depots: (1) mixed WAT/BAT (inguinal adipose tissue) and (2) WAT (epididymal visceral fat) and BAT (intrascapular fat)...
December 22, 2016: Arteriosclerosis, Thrombosis, and Vascular Biology
https://www.readbyqxmd.com/read/28061846/map4k4-and-il-6-th17-cells-play-important-roles-in-non-obese-type-2-diabetes
#15
REVIEW
Huai-Chia Chuang, Tse-Hua Tan
Obesity is a causal factor of type 2 diabetes (T2D); however, people without obesity (including lean, normal weight, or overweight) may still develop T2D. Non-obese T2D is prevalent in Asia and also frequently occurs in Europe. Recently, multiple evidences oppose the notion that either obesity or central obesity (visceral fat accumulation) promotes non-obese T2D. Several factors such as inflammation and environmental factors contribute to non-obese T2D. According to the data derived from gene knockout mice and T2D clinical samples in Asia and Europe, the pathogenesis of non-obese T2D has been unveiled recently...
January 7, 2017: Journal of Biomedical Science
https://www.readbyqxmd.com/read/28060856/hiv-infection-is-associated-with-increased-fatty-infiltration-of-the-thigh-muscle-with-aging-independent-of-fat-distribution
#16
Javzandulam Natsag, Kristine M Erlandson, Deborah E Sellmeyer, Sabina A Haberlen, Joseph Margolick, Lisa P Jacobson, Frank J Palella, Susan L Koletar, Jordan E Lake, Wendy S Post, Todd T Brown
BACKGROUND: Lower muscle density on computed tomography (CT) provides a measure of fatty infiltration of muscle, an aspect of muscle quality that has been associated with metabolic abnormalities, weakness, decreased mobility, and increased fracture risk in older adults. We assessed the cross-sectional relationship between HIV serostatus, age, thigh muscle attenuation, and thigh muscle cross-sectional area (CSA). METHODS: Mean CT-quantified Hounsfield units (HU) of the thigh muscle bundle and CSA were evaluated in 368 HIV-infected and 145 HIV-uninfected men enrolled in the Multicenter AIDS Cohort Study (MACS) Cardiovascular Substudy using multivariable linear regression...
2017: PloS One
https://www.readbyqxmd.com/read/28058732/bromocriptine-treatment-at-the-end-of-lactation-prevents-hyperphagia-higher-visceral-fat-and-liver-triglycerides-in-early-weaned-rats-at-adulthood
#17
Nayara Peixoto-Silva, Egberto G Moura, Janaine C Carvalho, Jéssica L Nobre, Fernanda T Quitete, Cintia R Pinheiro, Ana Paula Santos-Silva, Elaine de Oliveira, Patricia C Lisboa
Non-pharmacological early weaning (NPEW) leads offspring to obesity, higher liver oxidative stress and microsteatosis in adulthood. Pharmacological EW (PEW) by maternal treatment with bromocriptine (BRO) causes obesity in the adult progeny but precludes hepatic injury. To test the hypothesis that BRO prevents the deleterious changes of NPEW, we injected BRO into the pups from the NPEW model on late lactation. Lactating rats were divided into 2 groups: dams with an adhesive bandage around the body to prevent breastfeeding on the last 3 days of lactation and dams whose pups had free suckling (C)...
January 6, 2017: Clinical and Experimental Pharmacology & Physiology
https://www.readbyqxmd.com/read/28053001/cancer-cachexia-differentially-regulates-visceral-adipose-tissue-turnover
#18
Felipe de Oliveira Franco, Magno Alves Lopes, Felipe Dos Santos Henriques, Rodrigo X Neves, Cesário Bianchi Filho, Miguel Luiz Batista Júnior
Cancer cachexia (CC) is a progressive metabolic syndrome that is marked by severe body weight loss. Metabolic disarrangement of fat tissues is a very early event in CC, followed by adipose tissue (AT) atrophy and remodelling. However, there is little information regarding the possible involvement of cellular turnover in this process. Thus, we evaluated the effect of CC on AT turnover of mesenteric (ME) and retroperitoneal (RP) AT depots as possible factors that contribute to AT atrophy. CC was induced by a subcutaneous injection of Walker tumour cells (2x10(7)) in Wistar rats...
January 4, 2017: Journal of Endocrinology
https://www.readbyqxmd.com/read/28052251/interplay-between-obesity-induced-inflammation-and-cgmp-signaling-in-white-adipose-tissue
#19
Abhishek Sanyal, Jennifer Naumann, Linda Sarah Hoffmann, Agnieszka Chabowska-Kita, Anna Ehrlund, Andreas Schlitzer, Peter Arner, Matthias Blüher, Alexander Pfeifer
Current worldwide figures suggest that obesity is pandemic. Understanding the underlying molecular mechanisms would help develop viable anti-obesity therapies. Here, we assess the influence of obesity-induced inflammation on white adipocyte cyclic guanosine monophosphate (cGMP) signaling, which is beneficial for adipocyte differentiation and thermogenesis. We find that murine gonadal and not inguinal fat is prone to obesity-induced inflammation. Correspondingly, the cGMP cascade is dysregulated in gonadal but not in inguinal fat of obese mice...
January 3, 2017: Cell Reports
https://www.readbyqxmd.com/read/28050186/reliability-and-validity-of-the-persian-version-of-compulsive-eating-scale-ces-in-overweight-or-obese-women-and-its-relationship-with-some-body-composition-and-dietary-intake-variables
#20
Seyed-Ali Mostafavi, Seyed Ali Keshavarz, Mohammad Reza Mohammadi, Saeed Hosseini, Mohammad Reza Eshraghian, Payam Hosseinzadeh, Maryam Chamari, Zeinab Sari, Shahin Akhondzadeh
Objective: Compulsive or binge eating is a kind of disturbed eating behavior, which is mostly observed among dieting women, and is integrated with appetite disorder, and uncontrolled eating of plenty of junk food. The Compulsive Eating Scale (CES) created first by Kagan & Squires in 1984, is an eight-item self-reporting instrument that is made to measure the severity of binge eating disorder. The aim of this study was to provide the reliability and validity of the Persian version of Compulsive Eating Scale (CES) among overweight and obese women in Iran...
October 2016: Iranian Journal of Psychiatry
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