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https://www.readbyqxmd.com/read/28727953/fatty-acid-composition-of-plasma-phosphatidylcholine-determines-body-fat-parameters-in-subjects-with-metabolic-syndrome-related-traits
#1
Miroslav Zeman, Marek Vecka, Michal Burda, Eva Tvrzická, Barbora Staňková, Jaroslav Macášek, Aleš Žák
BACKGROUND: This study examines the associations of fatty acids (FAs) in plasma phosphatidylcholine (PC) with the anthropometrical and biochemical characteristic of patients with metabolic syndrome (MetS)-related traits. METHODS: We analyzed the FA profiles of PC in 300 persons with MetS-related traits (152 M/148F, mean age 46.9 ± 9.0 years) and in 70 healthy controls of the same age using a balanced men/women ratio and gas-liquid chromatography. Multivariate linear regression analysis was performed to determine the coefficients of determination (R(2)) using FA proportions of the mentioned proband characteristics...
July 20, 2017: Metabolic Syndrome and related Disorders
https://www.readbyqxmd.com/read/28727943/the-genetic-background-of-metabolic-trait-clusters-in-children-and-adolescents
#2
Karri Silventoinen, Élvio Gouveia, Aline Jelenkovic, José Maia, António M Antunes, Miguel A A Pinheiro de Carvalho, António M Brehm, Martine Thomis, Johan Lefevre, Jaakko Kaprio, Duarte Freitas
BACKGROUND: It is well known that metabolic risk factors of cardiovascular diseases are correlated, but the background of this clustering in children is more poorly known than in adults. Thus, we studied the contribution of genetic and environmental factors to the clustering of metabolic traits in childhood and adolescence. DATA AND METHODS: Nine metabolic traits were measured in 214 complete twin pairs aged 3-18 years in the Autonomous Region of Madeira, Portugal, in 2007 and 2008...
July 20, 2017: Metabolic Syndrome and related Disorders
https://www.readbyqxmd.com/read/28727111/phenotypic-and-genetic-relationships-of-residual-feed-intake-measures-and-their-component-traits-with-fatty-acid-composition-in-subcutaneous-adipose-of-beef-cattle
#3
F Zhang, C Ekine-Dzivenu, M Vinsky, J A Basarab, J L Aalhus, M E R Dugan, C Li
Feed efficiency is of particular interest to the beef industry because feed is the largest variable cost in production and fatty acid composition is emerging as an important trait, both economically and socially, due to the potential implications of dietary fatty acids on human health. Quantifying correlations between feed efficiency and fatty acid composition will contribute to construction of optimal multiple-trait selection indexes to maximize beef production profitability. In the present study, we estimated phenotypic and genetic correlations of feed efficiency measures including residual feed intake (RFI), RFI adjusted for final ultrasound backfat thickness (RFIf); their component traits ADG, DMI, and metabolic BW; and final ultrasound backfat thickness measured at the end of feedlot test with 25 major fatty acids in the subcutaneous adipose tissues of 1,366 finishing steers and heifers using bivariate animal models...
July 2017: Journal of Animal Science
https://www.readbyqxmd.com/read/28727044/muscle-lipid-metabolism-in-two-rabbit-lines-divergently-selected-for-intramuscular-fat
#4
M Martínez-Álvaro, S Agha, A Blasco, P Hernández
A divergent selection experiment for intramuscular fat (IMF) of LM at 9 wk of age was performed in rabbits. The objective of this work was to compare the lipid metabolism in muscles and fat tissues of the high-IMF and low-IMF lines. Lipogenic, catabolic, and lipolytic activities were studied in 2 muscles with different oxidative patterns (LM and semimembranosus proprius) and in the perirenal fat depot at 2 ages, 9 and 13 wk. In addition, adipocytes were characterized in perirenal fat. In the fifth generation, direct response to selection was 0...
June 2017: Journal of Animal Science
https://www.readbyqxmd.com/read/28727021/physiology-and-endocrinology-symposium-the-effects-of-poor-maternal-nutrition-during-gestation-on-offspring-postnatal-growth-and-metabolism
#5
M L Hoffman, S A Reed, S M Pillai, A K Jones, K K McFadden, S A Zinn, K E Govoni
Poor maternal nutrition during gestation has been linked to poor growth and development, metabolic dysfunction, impaired health, and reduced productivity of offspring in many species. Poor maternal nutrition can be defined as an excess or restriction of overall nutrients or specific macro- or micronutrients in the diet of the mother during gestation. Interestingly, there are several reports that both restricted- and over-feeding during gestation negatively affect offspring postnatal growth with reduced muscle and bone deposition, increased adipose accumulation, and metabolic dysregulation through reduced leptin and insulin sensitivity...
May 2017: Journal of Animal Science
https://www.readbyqxmd.com/read/28727015/triennial-growth-and-development-symposium-molecular-mechanisms-related-to-bovine-intramuscular-fat-deposition-in-the-longissimus-muscle
#6
M Baik, H J Kang, S J Park, S W Na, M Piao, S Y Kim, D M Fassah, Y S Moon
The intramuscular fat (IMF) content of the LM, also known as marbling, is particularly important in determining the price of beef in Korea, Japan, and the United States. Deposition of IMF is influenced by both genetic (e.g., breed, gender, and genotype) and nongenetic factors (e.g., castration, nutrition, stressors, animal weight, and age). Castration of bulls markedly increases deposition of IMF, resulting in improved beef quality. Here, we present a comparative gene expression approach between bulls and steers...
May 2017: Journal of Animal Science
https://www.readbyqxmd.com/read/28726981/triennial-growth-and-development-symposium-factors-influencing-bovine-intramuscular-adipose-tissue-development-and-cellularity
#7
E Albrecht, L Schering, Y Liu, K Komolka, C Kühn, K Wimmers, T Gotoh, S Maak
Appearance, distribution, and amount of intramuscular fat (IMF), often referred to as marbling, are highly variable and depend on environmental and genetic factors. On the molecular level, the concerted action of several drivers, including hormones, receptors, transcription factors, etc., determines where clusters of adipocytes arise. Therefore, the aim of future studies remains to identify such factors as biological markers of IMF to increase the ability to identify animals that deposit IMF early in age to increase efficiency of high-quality meat production...
May 2017: Journal of Animal Science
https://www.readbyqxmd.com/read/28726640/c1q-tnf-related-protein-6-ctrp6-links-obesity-to-adipose-tissue-inflammation-and-insulin-resistance
#8
Xia Lei, Marcus M Seldin, Hannah C Little, Nicholas Choy, Thomas Klonisch, G William Wong
Obesity is associated with chronic low-grade inflammation, and metabolic regulators linking obesity to inflammation have therefore received much attention. Secreted C1q/TNF-related proteins (CTRPs) are one such group of regulators that regulate glucose and fat metabolism in peripheral tissues and modulate inflammation in adipose tissue. We have previously shown that expression of CTRP6 is up-regulated in leptin-deficient mice and, conversely, down-regulated by the anti-diabetic drug, rosiglitazone. Here, we provide evidence for a novel role of CTRP6 in modulating both inflammation and insulin sensitivity...
July 18, 2017: Journal of Biological Chemistry
https://www.readbyqxmd.com/read/28726396/the-potent-anti-inflammatory-and-anti-adipogenic-properties-of-bamboo-sasa-coreana-nakai-leaves-extract-and-its-major-constituent-flavonoids
#9
Ji Hye Yang, Moon-Hee Choi, Seung Hwa Yang, Sam Seok Cho, Su Jung Park, Hyun-Jae Shin, Sung Hwan Ki
The pro-inflammatory response and recruitment of macrophages into adipose tissue contribute to metabolic dysfunction. Here, we reported the anti-inflammatory and anti-adipogenic effects of the methanol (MeOH) extract and ethylacetate (EtOAc) fraction of bamboo leaf and its molecular mechanism in RAW264.7 cells and 3T3-L1 adipocytes, respectively. Functional macrophage migration assays also were performed. Surprisingly, EtOAc fraction of MeOH extracts from native Korean plant species Sasa coreana Nakai (SCN) has shown potent anti-inflammatory properties; SCN pretreatment inhibited nitric oxide (NO) production (p<0...
July 20, 2017: Journal of Agricultural and Food Chemistry
https://www.readbyqxmd.com/read/28725048/cd300f-il-5-cross-talk-inhibits-adipose-tissue-eosinophil-homing-and-subsequent-il-4-production
#10
Perri Rozenberg, Hadar Reichman, Israel Zab-Bar, Michal Itan, Metsada Pasmanik-Chor, Carine Bouffi, Udi Qimron, Ido Bachelet, Patricia C Fulkerson, Marc E Rothenberg, Ariel Munitz
Eosinophils and their associated cytokines IL-4 and IL-5 are emerging as central orchestrators of the immune-metabolic axis. Herein, we demonstrate that cross-talk between the Ig-superfamily receptor CD300f and IL-5 is a key checkpoint that modifies the ability of eosinophils to regulate metabolic outcomes. Generation of Il5 (Tg) /Cd300f (-/-) mice revealed marked and distinct increases in eosinophil levels and their production of IL-4 in the white and brown adipose tissues. Consequently, Il5 (Tg) /Cd300f (-/-) mice had increased alternatively activated macrophage accumulation in the adipose tissue...
July 19, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28724410/identification-and-characterization-of-long-non-coding-rnas-in-subcutaneous-adipose-tissue-from-castrated-and-intact-full-sib-pair-huainan-male-pigs
#11
Jing Wang, Liushuai Hua, Junfeng Chen, Jiaqing Zhang, Xianxiao Bai, Binwen Gao, Congjun Li, Zhihai Shi, Weidong Sheng, Yuan Gao, Baosong Xing
BACKGROUND: Long non-coding RNAs (lncRNAs) regulate adipose tissue metabolism, however, their function on testosterone deficiency related obesity in humans is less understood. For this research, intact and castrated male pigs are the best model animal because of their similar proportional organ sizes, cardiovascular systems and metabolic features. RESULTS: We identified lncRNAs in subcutaneous adipose tissue by deep RNA-sequencing using the intact and castrated Huainan male pigs...
July 19, 2017: BMC Genomics
https://www.readbyqxmd.com/read/28723568/loss-of-hepatic-mitochondrial-long-chain-fatty-acid-oxidation-confers-resistance-to-diet-induced-obesity-and-glucose-intolerance
#12
Jieun Lee, Joseph Choi, Ebru S Selen Alpergin, Liang Zhao, Thomas Hartung, Susanna Scafidi, Ryan C Riddle, Michael J Wolfgang
The liver has a large capacity for mitochondrial fatty acid β-oxidation, which is critical for systemic metabolic adaptations such as gluconeogenesis and ketogenesis. To understand the role of hepatic fatty acid oxidation in response to a chronic high-fat diet (HFD), we generated mice with a liver-specific deficiency of mitochondrial long-chain fatty acid β-oxidation (Cpt2(L-/-) mice). Paradoxically, Cpt2(L-/-) mice were resistant to HFD-induced obesity and glucose intolerance with an absence of liver damage, although they exhibited serum dyslipidemia, hepatic oxidative stress, and systemic carnitine deficiency...
July 18, 2017: Cell Reports
https://www.readbyqxmd.com/read/28722798/angptl8-betatrophin-role-in-diabetes-and-metabolic-diseases
#13
REVIEW
Mohamed Abu-Farha, Jehad Abubaker, Jaakko Tuomilehto
Diabetes is a major disease worldwide that is reaching epidemic stage. Its increased prevalence as well as its association with a high number of complications such as cardiovascular diseases, nephropathy and retinopathy makes it an important disease for investigation. ANGPTL8 is a recently identified hormone that has been associated with two functionally important processes in the development of type 2 diabetes, insulin resistance as well as lipid metabolism. Initial work has showed that ANGPTL8 was expressed in liver, white adipose and brown adipose tissues...
July 19, 2017: Diabetes/metabolism Research and Reviews
https://www.readbyqxmd.com/read/28722653/directing-visceral-white-adipocyte-precursors-to-a-thermogenic-adipocyte-fate-improves-insulin-sensitivity-in-obese-mice
#14
Chelsea Hepler, Mengle Shao, Jonathan Y Xia, Alexandra L Ghaben, Mackenzie J Pearson, Lavanya Vishvanath, Ankit X Sharma, Thomas S Morley, William L Holland, Rana K Gupta
Visceral adiposity confers significant risk for developing metabolic disease in obesity whereas preferential expansion of subcutaneous white adipose tissue (WAT) appears protective. Unlike subcutaneous WAT, visceral WAT is resistant to adopting a protective thermogenic phenotype characterized by the accumulation of Ucp1(+) beige/BRITE adipocytes (termed "browning"). In this study, we investigated the physiological consequences of browning murine visceral WAT by selective genetic ablation of Zfp423, a transcriptional suppressor of the adipocyte thermogenic program...
July 19, 2017: ELife
https://www.readbyqxmd.com/read/28722287/plasma-thiobarbituric-acid-reactive-substances-tbars-in-young-adults-obesity-increases-fasting-levels-only-in-men-whereas-glucose-ingestion-and-not-protein-or-lipid-intake-increases-postprandial-concentrations-regardless-of-sex-and-obesity
#15
Rafael Montes-Nieto, María Insenser, Mora Murri, Elena Fernández-Durán, Miriam Ojeda-Ojeda, M Ángeles Martínez-García, Manuel Luque-Ramírez, Héctor F Escobar-Morreale
SCOPE: Oxidative stress and damage participate in the pathophysiology of obesity and its metabolic complications. We studied the influence of sex, obesity and ingestion of different macronutrients on fasting and postprandial thiobarbituric acid reactive substances (TBARS), which can be considered as an index of lipid peroxidation and oxidative damage. METHODS AND RESULTS: We studied 19 men and 17 women, out of whom 9 men and 8 women had obesity. We collected blood samples in the fasting state and, on alternate days, following the ingestion of 300 kcal in the form of glucose, lipids or proteins...
July 19, 2017: Molecular Nutrition & Food Research
https://www.readbyqxmd.com/read/28722251/alteration-in-the-relationship-between-tanycytes-and-gonadotropin-releasing-hormone-gnrh-neurosecretory-terminals-following-long-term-metabolic-manipulation-in-the-sheep
#16
Robert Pouchain Ribeiro Neto, Iain J Clarke, Gregory Conductier
The activity of the hypothalamo-pituitary gonadal (HPG) axis is influenced by energy reserves, such that an increase or a decrease in adiposity may perturb the secretion and action of GnRH. This is thought to be due to the signalling of hormones such as leptin, which act upon neuronal systems controlling GnRH secretion. Other work shows plasticity in the relationship between tanycytes and GnRH neurosecretory terminals in the median eminence across the estrous cycle and we hypothesised that similar plasticity may occur with altered metabolic status...
July 19, 2017: Journal of Neuroendocrinology
https://www.readbyqxmd.com/read/28721439/effects-of-insulin-and-exercise-training-on-fgf21-its-receptors-and-target-genes-in-obesity-and-type-2-diabetes
#17
Rikke Kruse, Sara G Vienberg, Birgitte F Vind, Birgitte Andersen, Kurt Højlund
AIMS/HYPOTHESIS: Pharmacological doses of FGF21 improve glucose tolerance, lipid metabolism and energy expenditure in rodents. Induced expression and secretion of FGF21 from muscle may increase browning of white adipose tissue (WAT) in a myokine-like manner. Recent studies have reported that insulin and exercise increase FGF21 in plasma. Obesity and type 2 diabetes are potentially FGF21-resistant states, but to what extent FGF21 responses to insulin and exercise training are preserved, and whether FGF21, its receptors and target genes are altered, remains to be established...
July 18, 2017: Diabetologia
https://www.readbyqxmd.com/read/28721154/obesity-and-inflammation-the-linking-mechanism-and-the-complications
#18
Mohammed S Ellulu, Ismail Patimah, Huzwah Khaza'ai, Asmah Rahmat, Yehia Abed
Obesity is the accumulation of abnormal or excessive fat that may interfere with the maintenance of an optimal state of health. The excess of macronutrients in the adipose tissues stimulates them to release inflammatory mediators such as tumor necrosis factor α and interleukin 6, and reduces production of adiponectin, predisposing to a pro-inflammatory state and oxidative stress. The increased level of interleukin 6 stimulates the liver to synthesize and secrete C-reactive protein. As a risk factor, inflammation is an imbedded mechanism of developed cardiovascular diseases including coagulation, atherosclerosis, metabolic syndrome, insulin resistance, and diabetes mellitus...
June 2017: Archives of Medical Science: AMS
https://www.readbyqxmd.com/read/28721147/the-importance-of-two-metabolic-syndrome-diagnostic-criteria-and-body-fat-distribution-in-predicting-clinical-severity-and-prognosis-of-acute-myocardial-infarction
#19
Marko Mornar Jelavic, Zdravko Babic, Hrvoje Pintaric
INTRODUCTION: The interrelation between metabolic syndrome (MetS) (the revised National Cholesterol Education Program-Adult Treatment Panel III (NCEP-ATP III) and International Diabetes Federation (IDF)) and obesity indices in predicting clinical severity and prognosis of acute ST-elevation myocardial infarction (STEMI) is insufficiently known. MATERIAL AND METHODS: This prospective study included 250 acute STEMI patients treated with primary percutaneous coronary intervention...
June 2017: Archives of Medical Science: AMS
https://www.readbyqxmd.com/read/28721132/obesity-in-menopause-our-negligence-or-an-unfortunate-inevitability
#20
REVIEW
Jarosław Kozakowski, Małgorzata Gietka-Czernel, Dorota Leszczyńska, Agnieszka Majos
Numerous concerns about menopause exist among women, and fear of an increase in body weight is one of the most important of them. This paper presents an overview of current knowledge concerning the etiology of obesity related to menopause and about the mechanisms of its development, with particular regard to the hormonal changes that occur during this period of life. The role of estrogens in the regulation of energy balance and the effect of sex hormones on metabolism of adipose tissue and other organs are presented...
June 2017: Przeglad Menopauzalny, Menopause Review
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