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visceral fat AND subcutaneous fat AND obesity

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https://www.readbyqxmd.com/read/28332865/the-association-between-ultrasound-estimated-visceral-fat-deposition-and-uterine-fibroids-an-observational-study
#1
Andrea Ciavattini, Giovanni Delli Carpini, Lorenzo Moriconi, Nicolò Clemente, Francesca Orici, Anna Chiara Boschi, Nina Montik, Laura Mazzanti
Uterine fibroids are the most common neoplasm of the genital tract in reproductive women. Obesity holds a role as risk factor for uterine fibroids, through hormonal and inflammatory mechanisms. Visceral fat is a hormonally active tissue, so an increase in visceral fat may be considered as a risk factor, through the increased production of inflammatory mediators. The aim of the study was, therefore, to evaluate the association between the presence of uterine fibroids and fat tissue distribution, and to assess the efficacy of both anthropometric and instrumental indicators, in particular the sonographic measurement of preperitoneal fat thickness (PFT) and subcutaneous fat thickness (SFT)...
March 23, 2017: Gynecological Endocrinology
https://www.readbyqxmd.com/read/28327129/short-term-overfeeding-of-zebrafish-with-normal-or-high-fat-diet-as-a-model-for-the-development-of-metabolically-healthy-versus-unhealthy-obesity
#2
Kathrin Landgraf, Susanne Schuster, Andrej Meusel, Antje Garten, Thomas Riemer, Dorit Schleinitz, Wieland Kiess, Antje Körner
BACKGROUND: Obese individuals differ in their risk of developing metabolic and cardiovascular complications depending on fat distribution (subcutaneous versus visceral) and adipose tissue (AT) phenotype (hyperplasic versus hypertrophic). However, the exact mechanisms which determine whether an obese individual is metabolically healthy or unhealthy are not clear, and analyses of the underlying pathomechanisms are limited by the lack of suitable in vivo models in which metabolically healthy versus metabolically unhealthy AT accumulation can be specifically induced...
March 21, 2017: BMC Physiology
https://www.readbyqxmd.com/read/28323935/association-of-in-vivo-adipose-tissue-cellular-kinetics-with-markers-of-metabolic-health-in-humans
#3
Ursula A White, Mark D Fitch, Robbie A Beyl, Marc K Hellerstein, Eric Ravussin
Context: Adipose tissue expansion occurs by hypertrophy and hyperplasia. Impaired hyperplasia, or adipogenesis, has been associated with obesity-related diseases. The cellular mechanisms underlying in vivo adipose cell turnover are not elucidated. Objective: We previously reported differences in in vivo cellular kinetics between the subcutaneous abdominal (scABD) and femoral (scFEM) depots using an 8-week incorporation of deuterium in women with obesity. We have now examined how in vivo kinetics correlate with markers of metabolic health...
March 2, 2017: Journal of Clinical Endocrinology and Metabolism
https://www.readbyqxmd.com/read/28322576/the-effects-of-exercise-on-abdominal-fat-and-liver-enzymes-in-pediatric-obesity-a-systematic-review-and-meta-analysis
#4
Katherine González-Ruiz, Robinson Ramírez-Vélez, Jorge Enrique Correa-Bautista, Mark D Peterson, Antonio García-Hermoso
BACKGROUND: Despite the prevalence of obesity and the multiple position stands promoting exercise for the treatment of obesity and hepatic function, a meta-analytic approach has not previously been used to examine the effects in the pediatric population. The aim of the study was to determine the effectiveness of exercise interventions on abdominal fat, liver enzymes, and intrahepatic fat in overweight and obese youth. MATERIALS AND METHODS: A computerized search was made using three databases...
March 21, 2017: Childhood Obesity
https://www.readbyqxmd.com/read/28315007/central-obesity-and-risks-of-cardiovascular-events-and-mortality-in-prevalent-hemodialysis-patients
#5
Heba Wahid El Said, Osama Mahmoud Mohamed, Tamer Wahid El Said, Ahmed Bahaa El Serwi
BACKGROUND: To date, no attempt has been made to assess the best anthropometric method for defining abdominal adiposity in hemodialysis (HD) patients or to determine whether the quantity of intra-abdominal fat relates to morbidity and mortality in that population. We aimed to describe the prevalence of central obesity in HD patients and to investigate the relationship between central obesity assessed by anthropometric variables, and composite outcomes, cardiovascular morbidity and mortality among HD patients and whether this parameter correlates with intra-abdominal fat assessed by computed tomography scan (CT scan)...
March 17, 2017: International Urology and Nephrology
https://www.readbyqxmd.com/read/28285092/visceral-to-subcutaneous-fat-ratio-is-independently-related-to-small-and-large-cerebrovascular-lesions-even-in-healthy-subjects
#6
Satoshi Higuchi, Yusuke Kabeya, Kiyoe Kato
BACKGROUND AND AIMS: The severity of obesity is evaluated by visceral-to-subcutaneous fat ratio (VS ratio), which may be useful for predicting atherosclerosis. However, it is unclear how VS ratio affects different types of cerebrovascular lesions. This study was conducted to evaluate the clinical impact of visceral fat accumulation on the cerebrovascular lesions. METHODS: This cross-sectional study included 980 apparently healthy Japanese adults who underwent a health check-up program focused toward atherosclerosis, between 2011 and 2014...
March 2, 2017: Atherosclerosis
https://www.readbyqxmd.com/read/28281237/adipokine-levels-versus-hepatic-histopathology-in-bariatric-surgery-patients
#7
Rafael Bergesch D'Incao, Cristiane Valle Tovo, Vanessa Suñé Mattevi, Diego Olschowsky Borges, Jane Maria Ulbrich, Gabriela Perdomo Coral, Mauricio Jacques Ramos, Nelson Guardiola Meinhardt
BACKGROUND: Obesity is a worldwide prevalent disease and is an underlying factor of non-alcoholic fatty liver disease (NAFLD). It has been understood as a chronic inflammatory state, being associated with the production of adipokines. The aim of this study was to analyze the levels of adipokines in the serum, visceral, and subcutaneous fat and to compare them with hepatic histopathology in morbidly obese patients. METHODS: This is a cross-sectional observational study, which analyzed the findings of liver biopsy in patients undergoing bariatric surgery and who had performed analysis of adipokines mRNA expression (adiponectin-ADIPOQ, leptin-LEP, and resistin-RETN) in subcutaneous and visceral adipose tissue and circulating adipokines in serum...
March 10, 2017: Obesity Surgery
https://www.readbyqxmd.com/read/28278265/visceral-fat-area-is-a-strong-predictor-of-leukocyte-cell-derived-chemotaxin-2-a-potential-biomarker-of-dyslipidemia
#8
Kumpei Tanisawa, Hirokazu Taniguchi, Xiaomin Sun, Tomoko Ito, Ryoko Kawakami, Shizuo Sakamoto, Mitsuru Higuchi
BACKGROUND: Leukocyte cell-derived chemotaxin 2 (LECT2) is a hepatokine linking obesity to skeletal muscle insulin resistance. Although previous studies reported that obesity was associated with high levels of circulating LECT2 in human, the associations of detailed body fat distribution with LECT2 levels have not been examined. Furthermore, although animal study suggested that exercise decreased circulating LECT2 levels, it remains unknown whether physical fitness is associated with LECT2 levels in human...
2017: PloS One
https://www.readbyqxmd.com/read/28274579/the-impact-of-fat-distribution-on-subclinical-coronary-atherosclerosis-in-middle-aged-chinese-adults
#9
Lin Ding, Kui Peng, Lin Lin, Mian Li, Tiange Wang, Meng Dai, Zhiyun Zhao, Min Xu, Jieli Lu, Yuhong Chen, Weiqing Wang, Yufang Bi, Yu Xu, Guang Ning
BACKGROUND: The relationship between obesity and cardiovascular disease (CVD) depends not only on the amount of body fat but also on its distribution, which has not been fully investigated in Chinese populations. We aimed to compare measures of fat accumulation in associations with subclinical coronary atherosclerosis in middle-aged Chinese adults. METHODS: A total of 548 participants aged 40-60years without previous history or clinical symptoms of CVD were randomly selected to undergo abdominal computed tomography (CT) scanning and coronary CT angiography for the evaluation of subcutaneous and visceral fat accumulation and coronary atherosclerosis, respectively...
February 22, 2017: International Journal of Cardiology
https://www.readbyqxmd.com/read/28271035/attenuated-secretion-of-glucose-dependent-insulinotropic-polypeptide-gip-does-not-alleviate-hyperphagic-obesity-and-insulin-resistance-in-ob-ob-mice
#10
Satoko Shimazu-Kuwahara, Norio Harada, Shunsuke Yamane, Erina Joo, Akiko Sankoda, Timothy J Kieffer, Nobuya Inagaki
OBJECTIVE: Glucose-dependent insulinotropic polypeptide (GIP) is released during meals and promotes nutrient uptake and storage. GIP receptor knockout mice are protected from diet induced weight gain and thus GIP antagonists have been proposed as a treatment for obesity. In this study, we assessed the role of GIP in hyperphagia induced obesity and metabolic abnormalities in leptin deficient (Lep(ob/ob)) mice. METHODS: We crossbred GIP-GFP knock-in homozygous mice (GIP(gfp/gfp)) that have complete GIP knockout, and mice heterozygous for the ob mutation (Lep(ob/+)) mice to generate Lep(ob/+)/GIP(+/+), Lep(ob/ob)/GIP(+/+), and Lep(ob/ob)/GIP(gfp/gfp) mice...
March 2017: Molecular Metabolism
https://www.readbyqxmd.com/read/28245284/metabolically-distinct-weight-loss-by-10-12-cla-and-caloric-restriction-highlight-the-importance-of-subcutaneous-white-adipose-tissue-for-glucose-homeostasis-in-mice
#11
Laura J den Hartigh, Shari Wang, Leela Goodspeed, Tomasz Wietecha, Barbara Houston, Mohamed Omer, Kayoko Ogimoto, Savitha Subramanian, G A Nagana Gowda, Kevin D O'Brien, Karl J Kaiyala, Gregory J Morton, Alan Chait
BACKGROUND: Widely used as a weight loss supplement, trans-10,cis-12 conjugated linoleic acid (10,12 CLA) promotes fat loss in obese mice and humans, but has also been associated with insulin resistance. OBJECTIVE: We therefore sought to directly compare weight loss by 10,12 CLA versus caloric restriction (CR, 15-25%), an acceptable healthy method of weight loss, to determine how 10,12 CLA-mediated weight loss fails to improve glucose metabolism. METHODS: Obese mice with characteristics of human metabolic syndrome were either supplemented with 10,12 CLA or subjected to CR to promote weight loss...
2017: PloS One
https://www.readbyqxmd.com/read/28243792/hmox1-as-a-marker-of-iron-excess-induced-adipose-tissue-dysfunction-affecting-glucose-uptake-and-respiratory-capacity-in-human-adipocytes
#12
José María Moreno-Navarrete, Francisco Ortega, Amaia Rodríguez, Jèssica Latorre, Sara Becerril, Mònica Sabater-Masdeu, Wifredo Ricart, Gema Frühbeck, José Manuel Fernández-Real
AIMS/HYPOTHESIS: Iron excess in adipose tissue is known to promote adipose tissue dysfunction. Here, we aimed to investigate the possible role of haem oxygenase 1 (HMOX1) in iron excess-induced adipose tissue dysfunction. METHODS: Cross-sectionally, HMOX1 gene expression in subcutaneous and visceral adipose tissue was analysed in two independent cohorts (n = 234 and 40) in relation to obesity. We also evaluated the impact of weight loss (n = 21), weight gain (in rats, n = 20) on HMOX1 mRNA; HMOX1 mRNA levels during human adipocyte differentiation; the effects of inflammation and iron on adipocyte HMOX1; and the effects of HMOX1-induced activity on adipocyte mitochondrial respiratory function, glucose uptake and adipogenesis...
February 27, 2017: Diabetologia
https://www.readbyqxmd.com/read/28240605/targeting-ppar%C3%AE-in-the-epigenome-rescues-genetic-metabolic-defects-in-mice
#13
Raymond E Soccio, Zhenghui Li, Eric R Chen, Yee Hoon Foong, Kiara K Benson, Joanna R Dispirito, Shannon E Mullican, Matthew J Emmett, Erika R Briggs, Lindsey C Peed, Richard K Dzeng, Carlos J Medina, Jennifer F Jolivert, Megan Kissig, Satyajit R Rajapurkar, Manashree Damle, Hee-Woong Lim, Kyoung-Jae Won, Patrick Seale, David J Steger, Mitchell A Lazar
Obesity causes insulin resistance, and PPARγ ligands such as rosiglitazone are insulin sensitizing, yet the mechanisms remain unclear. In C57BL/6 (B6) mice, obesity induced by a high-fat diet (HFD) has major effects on visceral epididymal adipose tissue (eWAT). Here, we report that HFD-induced obesity in B6 mice also altered the activity of gene regulatory elements and genome-wide occupancy of PPARγ. Rosiglitazone treatment restored insulin sensitivity in obese B6 mice, yet, surprisingly, had little effect on gene expression in eWAT...
February 27, 2017: Journal of Clinical Investigation
https://www.readbyqxmd.com/read/28238696/upper-body-subcutaneous-fat-is-associated-with-cardiometabolic-risk-factors
#14
Jane J Lee, Alison Pedley, Kate E Therkelsen, Udo Hoffmann, Joseph M Massaro, Daniel Levy, Michelle T Long
BACKGROUND: Upper body subcutaneous fat is a distinct fat depot that may confer increased cardiometabolic risk. We examined the cross-sectional associations between upper body subcutaneous fat volume and cardiometabolic risk factors. METHODS: Participants were from the Framingham Heart Study who underwent multi-detector computed tomography between 2008-2011. Sex-specific multivariable-adjusted regression analyses were conducted. Covariates included age, ethnicity, smoking status, alcohol intake, postmenopausal status, and hormone replacement therapy...
February 24, 2017: American Journal of Medicine
https://www.readbyqxmd.com/read/28198147/intrahepatic-fat-abdominal-adipose-tissues-and-metabolic-state-magnetic-resonance-imaging-study
#15
Anat Yaskolka Meir, Lilac Tene, Noa Cohen, Ilan Shelef, Dan Schwarzfuchs, Yftach Gepner, Hila Zelicha, Michal Rein, Nitzan Bril, Dana Serfaty, Shira Kenigsbuch, Yoash Chassidim, Benjamin Sarusy, Dror Dicker, Joachim Thiery, Uta Ceglarek, Michael Stumvoll, Matthias Blüher, Meir J Stampfer, Assaf Rudich, Iris Shai
BACKGROUND: Intrahepatic-fat (IHF) is best known to associate with waist circumference (WC) and visceral-adipose-tissue (VAT), but its relation to abdominal subcutaneous-adipose tissue (SAT) is controversial. While IHF > 5% dichotomously defines fatty liver, %IHF is rarely considered as a continuous variable that includes the normal range. In this study, we aimed to evaluate %IHF association with abdominal fat sub-depots, pancreatic and renal-sinus fats. METHODS: We evaluated %IHF, abdominal fat sub-depots, %pancreatic and renal-sinus fats, among individuals with moderate abdominal obesity, using 3-T magnetic resonance imaging (MRI)...
February 14, 2017: Diabetes/metabolism Research and Reviews
https://www.readbyqxmd.com/read/28192105/adolescent-obesity-and-insulin-resistance-roles-of-ectopic-fat-accumulation-and-adipose-inflammation
#16
Sonia Caprio, Rachel Perry, Romy Kursawe
As a consequence of the global rise in the prevalence of Adolescent Obesity, an unprecedented phenomenon of Type 2 Diabetes (T2D) has emerged in pediatrics. At the heart of T2D development lies a key metabolic derangement: Insulin Resistance (IR) . Despite the widespread occurrence of IR affecting an unmeasurable number of youths worldwide, its pathogenesis remains elusive. IR in obese youth is a complex phenomenon that defies explanation by a single pathway. In this review we first describe recent data on the prevalence, severity, and racial/ethnic differences in Pediatric Obesity...
February 9, 2017: Gastroenterology
https://www.readbyqxmd.com/read/28190685/impact-of-body-fat-and-muscle-distribution-on-severity-of-acute-pancreatitis
#17
Seung Bae Yoon, Moon Hyung Choi, In Seok Lee, Chul-Hyun Lim, Jin Soo Kim, Yu Kyung Cho, Jae Myung Park, Bo-In Lee, Young-Seok Cho, Myung-Gyu Choi
BACKGROUND/OBJECTIVES: Obesity is a well-established risk factor for severe acute pancreatitis (AP); however, the impact of visceral obesity or sarcopenic obesity on severity of AP has not been well studied. We compared the relationship between severity of AP and various body parameters including body weight, body mass index (BMI), subcutaneous adipose tissue (SAT), visceral adipose tissue (VAT), and visceral fat-to-muscle ratio (VMR). METHODS: We analyzed the data of patients who were diagnosed with AP from 2009 to 2015...
February 6, 2017: Pancreatology: Official Journal of the International Association of Pancreatology (IAP) ... [et Al.]
https://www.readbyqxmd.com/read/28176415/visceral-fat-is-associated-with-the-racial-differences-in-liver-fat-between-black-and-white-adolescent-boys-with-obesity
#18
SoJung Lee, Jennifer L Kuk
OBJECTIVE: We examined whether racial differences in liver fat are associated with the differences in abdominal fat distribution or cardiorespiratory fitness (CRF). METHODS: Participants included 57 black and white obese boys (12-18 years). Total and abdominal fat was measured by dual-energy X-ray absorptiometry (DXA) and magnetic resonance imaging, respectively. CRF was measured using a maximal graded treadmill test with the use of standard open-circuit spirometry techniques until volitional fatigue...
February 8, 2017: Pediatric Diabetes
https://www.readbyqxmd.com/read/28169882/greater-visceral-abdominal-fat-is-associated-with-a-lower-probability-of-conversion-of-prehypertension-to-normotension
#19
You-Cheol Hwang, Wilfred Y Fujimoto, Steven E Kahn, Donna L Leonetti, Edward J Boyko
OBJECTIVE: Prehypertension is associated with increased risk for incident hypertension. However, little is known about how frequently prehypertension converts to normotension, and which variables predict this conversion. METHODS: We identified 186 Japanese Americans with prehypertension (110 men, 76 women) aged 34-75 years (mean age of 52.3 years) who were followed at 5 and 10 years after enrollment. Blood pressure was measured with a mercury sphygmomanometer and average blood pressure was calculated...
February 6, 2017: Journal of Hypertension
https://www.readbyqxmd.com/read/28151993/adipose-tissue-macrophages-impair-preadipocyte-differentiation-in-humans
#20
Li Fen Liu, Colleen M Craig, Lorna L Tolentino, Okmi Choi, John Morton, Homero Rivas, Samuel W Cushman, Edgar G Engleman, Tracey McLaughlin
AIM: The physiologic mechanisms underlying the relationship between obesity and insulin resistance are not fully understood. Impaired adipocyte differentiation and localized inflammation characterize adipose tissue from obese, insulin-resistant humans. The directionality of this relationship is not known, however. The aim of the current study was to investigate whether adipose tissue inflammation is causally-related to impaired adipocyte differentiation. METHODS: Abdominal subcutaneous(SAT) and visceral(VAT) adipose tissue was obtained from 20 human participants undergoing bariatric surgery...
2017: PloS One
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