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visceral fat AND subcutaneous fat AND obesity

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https://www.readbyqxmd.com/read/29769150/adipose-tissue-uncoupling-protein-1-levels-and-function-are-increased-in-a-mouse-model-of-developmental-obesity-induced-by-maternal-exposure-to-high-fat-diet
#1
E Bytautiene Prewit, C Porter, M La Rosa, N Bhattarai, H Yin, P Gamble, T Kechichian, L S Sidossis
With brown adipose tissue (BAT) becoming a possible therapeutic target to counteract obesity, the prenatal environment could represent a critical window to modify BAT function and browning of white AT. We investigated if levels of uncoupling protein 1 (UCP1) and UCP1-mediated thermogenesis are altered in offspring exposed to prenatal obesity. Female CD-1 mice were fed a high-fat (HF) or standard-fat (SF) diet for 3 months before breeding. After weaning, all pups were placed on SF. UCP1 mRNA and protein levels were quantified using quantitative real-time PCR and Western blot analysis, respectively, in brown (BAT), subcutaneous (SAT) and visceral (VAT) adipose tissues at 6 months of age...
May 17, 2018: Journal of Developmental Origins of Health and Disease
https://www.readbyqxmd.com/read/29764718/metabolic-syndrome-associates-with-left-atrial-dysfunction
#2
K Nyman, M Granér, M O Pentikäinen, J Lundbom, A Hakkarainen, R Sirén, M S Nieminen, M-R Taskinen, N Lundbom, K Lauerma
BACKGROUND AND AIMS: Obesity and metabolic syndrome (MetS) are risk factors of atrial fibrillation (AF), but limited data exist on their effect on left atrial (LA) function. The aim of the study was to evaluate the effects of cardiac, hepatic and intra-abdominal ectopic fat depots and cardiometabolic risk factors on LA function in non-diabetic male subjects. METHODS AND RESULTS: Myocardial and hepatic triglyceride contents were measured with 1.5T 1 H-magnetic resonance spectroscopy and LA and left ventricular function, visceral adipose tissue (VAT), subcutaneous adipose tissue (SAT), epicardial and pericardial fat by magnetic resonance imaging (MRI) in 33 men with MetS and 40 men without MetS...
February 21, 2018: Nutrition, Metabolism, and Cardiovascular Diseases: NMCD
https://www.readbyqxmd.com/read/29763369/adipose-y5r-mrna-is-higher-in-obese-than-non-obese-humans-and-is-correlated-with-obesity-parameters
#3
Saimai Chatree, Chantacha Sitticharoon, Pailin Maikaew, Panapat Uawithya, Supornpim Chearskul
Neuropeptide Y is mainly expressed in the central nervous system to regulate food intake via its receptors, Y receptors, and in various peripheral tissues including adipose tissue. The objectives of this study were to compare Y5R mRNA and adipocyte parameters consisting of area, width, height, and perimeter either between obese and non-obese subjects or between subcutaneous and visceral fat as well as to compare between NPY, Y1R, Y2R, and Y5R mRNA expressions in subcutaneous and visceral adipose tissues. In subcutaneous and visceral adipose tissues, Y5R was greater in obese than in non-obese humans (both P < 0...
May 2018: Experimental Biology and Medicine
https://www.readbyqxmd.com/read/29758402/lactation-related-changes-in-tissue-expression-of-pedf-in-dairy-cows
#4
H Sadri, B Saremi, S Dänicke, J Rehage, M Mielenz, A Hosseini, H Sauerwein
Pigment epithelium-derived factor (PEDF) is evolving as metabolic regulatory protein. Albeit mostly considered in only pathological conditions related to excess energy intake resulting in obesity and insulin resistance, PEDF is likely to be involved in other physiological processes such as the homeorhetic adaptation of metabolism to lactation. We aimed to characterize the expression of PEDF and its association to the concomitant mobilization of body reserves during lactation in nonobese subjects. This mobilization is particularly distinct in dairy cows, and we therefore assessed the mRNA expression of PEDF and its putative receptors in different tissues in 2 trials with dairy cows fed with or without conjugated linoleic acids (CLAs)...
April 17, 2018: Domestic Animal Endocrinology
https://www.readbyqxmd.com/read/29750646/circulating-steroid-levels-as-correlates-of-adipose-tissue-phenotype-in-premenopausal-women
#5
Geneviève B Marchand, Anne-Marie Carreau, Sofia Laforest, Julie-Anne Côté, Marleen Daris, Katherine Cianflone, Cornelia Prehn, Jerzy Adamski, André Tchernof
Background Obesity-related alterations in the circulating steroid hormone profile remain equivocal in women. Our objective was to identify circulating steroid levels that relate to increased adiposity and altered adipose phenotype in premenopausal women. Materials and methods In a sample of 42 premenopausal women [age 46 ± 3 years; body mass index (BMI) 27.1 ± 4.2 kg/m2], 19 plasma steroids were quantified by electrospray ionization-liquid chromatography-tandem mass spectroscopy (ESI-LC-MS/MS). Body composition and fat distribution were assessed by dual-energy X-ray absorptiometry (DXA) and computed tomography (CT), respectively...
May 11, 2018: Hormone Molecular Biology and Clinical Investigation
https://www.readbyqxmd.com/read/29747087/hdl-cholesterol-efflux-capacity-and-cholesteryl-ester-transfer-are-associated-with-body-mass-but-are-not-changed-by-diet-induced-weight-loss-a-randomized-trial-in-abdominally-obese-men
#6
Charlotte P J Talbot, Jogchum Plat, Peter J Joris, Maurice Konings, Yvo H A M Kusters, Casper G Schalkwijk, Andreas Ritsch, Ronald P Mensink
BACKGROUND AND AIMS: Obesity is associated with a lower HDL-mediated cholesterol efflux from macrophages and a higher CETP (cholesteryl ester transfer protein) activity, but effects of weight loss are not clear. In addition, associations with visceral and subcutaneous adipose tissue are not known. We therefore investigated effects of diet-induced weight loss on HDL-mediated cholesterol efflux and cholesterol ester (CE) transfer in abdominally obese men. Differences between normal-weight and abdominally obese men were also examined...
April 28, 2018: Atherosclerosis
https://www.readbyqxmd.com/read/29746487/loss-of-malat1-does-not-modify-age-or-diet-induced-adipose-tissue-accretion-and-insulin-resistance-in-mice
#7
Sophie Carter, Stéphanie Miard, Louise Boivin, Sandrine Sallé-Lefort, Frédéric Picard
Several studies have suggested that signals emerging from white adipose tissue can contribute to the control of longevity. In turn, aging is associated with perturbed regulation and partitioning of fat depots and insulin resistance. However, the exact mechanisms involved in these relationships remain undetermined. Using RAP-PCR on adipose tissue of young and old male mice coupled with qPCR validation, we have uncovered the long non-coding RNA Malat1 as a gene robustly downregulated in visceral white adipose tissue (vWAT) during normal aging in male mice and men...
2018: PloS One
https://www.readbyqxmd.com/read/29730658/differential-patterns-of-secreted-frizzled-related-protein-4-sfrp4-in-adipocyte-differentiation-adipose-depot-specificity
#8
Hua Guan, Yali Zhang, Shoucui Gao, Liang Bai, Sihai Zhao, Xian Wu Cheng, Jianglin Fan, Enqi Liu
BACKGROUND/AIMS: Secreted frizzled-related protein 4 (SFRP4) is a member of the SFRP family that acts as soluble modulators of Wnt signaling. Given the substantial rise in obesity, depot-specific fat accumulation and its associated diseases like diabetes, it is important to understand the molecular basis of depot-specific adipocyte differentiation. In the current study, we investigated the expression of SFRP4 in both subcutaneous and visceral adipose tissue in terms of their differentiation...
April 28, 2018: Cellular Physiology and Biochemistry
https://www.readbyqxmd.com/read/29727406/the-associations-between-adiposity-cognitive-function-and-achievement-in-children
#9
Lauren Raine, Eric Drollette, Shih-Chun Kao, Daniel Westfall, Laura Chaddock-Heyman, Arthur F Kramer, Naiman Khan, Charles Hillman
Although obesity has been related to measures of academic achievement and cognition in children, the influence of fat distribution, specifically visceral adiposity, on select aspects of achievement and cognitive function remains poorly characterized among preadolescent children. PURPOSE: The aim of this study was to evaluate the relation of adiposity, particularly visceral adipose tissue, on achievement and cognitive function among children. METHODS: Children with obesity (ages 7-9 years old, N= 55, 35 females) completed cognitive and academic tests...
April 27, 2018: Medicine and Science in Sports and Exercise
https://www.readbyqxmd.com/read/29713823/higher-visceral-fat-area-subcutaneous-fat-area-ratio-measured-by-computed-tomography-is-associated-with-recurrence-and-poor-survival-in-patients-with-mid-and-low-rectal-cancers
#10
Kang Hong Lee, Bo-Kyeong Kang, Byung Kyu Ahn
PURPOSE: Obesity is thought to influence postoperative complications and recurrence of mid and low rectal cancer (MLRC) because of intraoperative technical difficulties. However, few reports have described the relationship between obesity indices and the clinical outcomes of MLRC. This study aimed to investigate the association between visceral obesity on computed tomography (CT) and oncolofical outcomes after surgery for MLRC and identify the obesity index that most accurately reflects clinical outcomes...
April 30, 2018: International Journal of Colorectal Disease
https://www.readbyqxmd.com/read/29702112/alpha-syntrophin-deficient-mice-are-protected-from-adipocyte-hypertrophy-and-ectopic-triglyceride-deposition-in-obesity
#11
Kristina Eisinger, Lisa Rein-Fischboeck, Markus Neumeier, Sandra Schmidhofer, Rebekka Pohl, Elisabeth M Haberl, Gerhard Liebisch, Andrea Kopp, Andreas Schmid, Sabrina Krautbauer, Christa Buechler
Alpha-syntrophin (SNTA) is a molecular adapter protein which is expressed in adipocytes. Knock-down of SNTA in 3T3-L1 preadipocytes increases cell proliferation, and differentiated adipocytes display small lipid droplets. These effects are both characteristics of healthy adipose tissue growth which is associated with metabolic improvements in obesity. To evaluate a role of SNTA in adipose tissue morphology and obesity associated metabolic dysfunction, SNTA deficient mice were fed a standard chow or a high fat diet...
April 24, 2018: Experimental and Molecular Pathology
https://www.readbyqxmd.com/read/29694442/epicardial-and-visceral-adipose-tissue-in-relation-to-subclinical-atherosclerosis-in-a-chinese-population
#12
Nang Ei Ei Khaing, Tai E Shyong, Jeannette Lee, Cinnie Yentia Soekojo, Alvin Ng, Rob M Van Dam
BACKGROUND: Body fatness is associated with risk of coronary heart disease and it has been postulated that epicardial adipose tissue (EAT) may have a particularly detrimental effect because of its localized toxic effects. We therefore aimed to examine the association between EAT and coronary artery calcification and compared this with associations for visceral adipose tissue (VAT) and other regional fat depots. METHODS: We conducted a cross-sectional study of 487 Chinese participants aged 50 years old and above, living in Singapore...
2018: PloS One
https://www.readbyqxmd.com/read/29692455/lipid-accumulation-product-index-as-visceral-obesity-indicator-in-psoriasis-a-case-control-study
#13
Satyaki Ganguly, Lopamudra Ray, Sheela Kuruvila, Sunil Kumar Nanda, Kandasamy Ravichandran
Background: Psoriasis has well-known associations with individual components of metabolic syndrome such as hypertension, dyslipidemia, insulin resistance, and obesity. Traditional anthropometric measurements of obesity such as waist circumference (WC) and body mass index (BMI) do not differentiate between subcutaneous fat and visceral fat, the latter being associated with cardiovascular risk factors. Lipid accumulation product (LAP) index is a measure of visceral fat and has been found to be a better predictor of cardiovascular risk...
March 2018: Indian Journal of Dermatology
https://www.readbyqxmd.com/read/29682733/upper-body-fat-predicts-metabolic-syndrome-similarly-in-men-and-women
#14
Scott M Grundy, Corbin Williams, Gloria L Vega
The metabolic syndrome is a constellation of risk factors including dyslipidemia, dysglycemia, hypertension, a pro-inflammatory state, and a prothrombotic state. All of these factors are accentuated by obesity. However, obesity can be defined by body mass index (BMI), percent body fat, or by body fat distribution. The latter consists of upper body fat (subcutaneous and visceral fat) and lower body fat (gluteofemoral fat). Waist circumference is a common surrogate marker for upper body fat. In this study, data from the National Health and Nutrition Examination Survey (NHANES) for the years 1999 - 2006 was examined for associations of metabolic risk factors with percent body fat, waist circumference, and BMI...
April 23, 2018: European Journal of Clinical Investigation
https://www.readbyqxmd.com/read/29682581/diet-induced-abdominal-obesity-metabolic-changes-and-atherosclerosis-in-hypercholesterolemic-minipigs
#15
Ahmed Ludvigsen Al-Mashhadi, Christian Bo Poulsen, Karin von Wachenfeldt, Anna-Karin Robertson, Jacob Fog Bentzon, Lars Bo Nielsen, Jesper Thygesen, Lars Poulsen Tolbod, Jens Rolighed Larsen, Søren Kragh Moestrup, Björn Frendéus, Brynjulf Mortensen, Ludovic Drouet, Rozh H Al-Mashhadi, Erling Falk
Background: Obesity and metabolic syndrome (MetS) are major risk factors for atherosclerotic diseases; however, a causal link remains elusive. Animal models resembling human MetS and its complications, while important, are scarce. We aimed at developing a porcine model of human MetS. Methods: Forty pigs with familial hypercholesterolemia were fed a high fat + fructose diet for 30 weeks. Metabolic assessments and subcutaneous fat biopsies were obtained at 18 and 30 weeks, and fat distribution was assessed by CT-scans...
2018: Journal of Diabetes Research
https://www.readbyqxmd.com/read/29676049/moderate-weight-loss-improves-body-composition-and-metabolic-function-in-metabolically-unhealthy-lean-subjects
#16
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
https://www.readbyqxmd.com/read/29670259/association-between-fat-mass-adipose-tissue-fat-fraction-per-adipose-tissue-and-metabolic-risks-a-cross-sectional-study-in-normal-overweight-and-obese-adults
#17
Mark Hübers, Corinna Geisler, Anja Bosy-Westphal, Wiebke Braun, Maryam Pourhassan, Thorkild I A Sørensen, Manfred J Müller
BACKGROUND/OBJECTIVES: We investigated whether fat mass (FM) and total adipose tissue (TAT) can be used interchangeably and FM per TAT adds to metabolic risk assessment. SUBJECTS/METHODS: Cross-sectional data were assessed in 377 adults (aged 18-60 years; 51.2% women). FM was measured by either 4-compartment (4C) model or quantitative magnetic resonance (QMR); total-, subcutaneous- and visceral adipose tissue (TAT, SAT, VAT), and liver fat by whole-body MRI; leptin, insulin, homeostasis model assessment of insulin resistance (HOMA-IR), C-reactive protein (CRP), and triglycerides; resting energy expenditure and respiratory quotient by indirect calorimetry were determined...
April 18, 2018: European Journal of Clinical Nutrition
https://www.readbyqxmd.com/read/29662648/visceral-abdominal-fat-measured-by-computer-tomography-as-a-prognostic-factor-for-gynecological-malignancies
#18
Johanna Nattenmüller, Joachim Rom, Tom Buckner, Jalal Arvin, Benedikt Bau, Christof Sohn, Hans-Ulrich Kauczor, Sarah Schott
Introduction: Obesity is associated with increased incidence of ovarian (OC), cervical (CC) and endometrium cancer (EC). However, the impact of body composition (BC) on overall survival (OS), especially of visceral adipose tissue (VAT) is not yet understood. Methods: In 189 women with gynecological malignancies (31 OC, 104 CC, 54 EC, mean age 62.9y; mean BMI 26.8 kg/m2 ; median follow-up 30.7months) with routine staging CT-scans at baseline (mean interval: 4.3 months), densitometric quantification of total (TAT), visceral, and subcutaneous-fat-area (SAT), inter-muscular-fat-area (IMFA), and skeletal-muscle-index (SMI) was performed to analyze the impact of BC on survival...
March 27, 2018: Oncotarget
https://www.readbyqxmd.com/read/29656048/trunk-muscle-quality-assessed-by-computed-tomography-association-with-adiposity-indices-and-glucose-tolerance-in-men
#19
Alexandre Maltais, Natalie Alméras, Isabelle Lemieux, Angelo Tremblay, Jean Bergeron, Paul Poirier, Jean-Pierre Després
BACKGROUND/OBJECTIVES: Thigh muscle attenuation measured by computed tomography (CT) has been shown to be a reliable and useful index of skeletal muscle fat infiltration. Thigh muscle fat content assessed by CT has been linked to obesity and type 2 diabetes and is a correlate of insulin resistance in sedentary individuals. However, as measurement of mid-thigh fat content requires the assessment of another region of interest beyond the usual abdominal scan required to measure levels of visceral and subcutaneous abdominal adipose tissue, this study aimed at testing the hypothesis that skeletal muscle fat measured from a single abdominal scan (L4 -L5 ) would also provide information relevant to the estimation of muscle fat infiltration as it relates to cardiometabolic risk...
April 12, 2018: Metabolism: Clinical and Experimental
https://www.readbyqxmd.com/read/29649164/the-impact-of-abdominal-fat-levels-on-all-cause-mortality-risk-in-patients-undergoing-hemodialysis
#20
Takahiro Yajima, Kumiko Yajima, Hiroshi Takahashi, Keigo Yasuda
Although an increased body mass index is associated with lower mortality in patients undergoing hemodialysis (HD), known as the "obesity paradox," the relationship of abdominal fat levels with all-cause mortality has rarely been studied. We investigated the impact of computed-tomography-measured abdominal fat levels (visceral fat area (VFA) and subcutaneous fat area (SFA)) on all-cause mortality in this population. A total of 201 patients undergoing HD were enrolled and cross-classified by VFA and SFA levels according to each cutoff point, VFA of 78...
April 12, 2018: Nutrients
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