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Fat mass associated gene

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https://www.readbyqxmd.com/read/28333151/fto-is-required-for-myogenesis-by-positively-regulating-mtor-pgc-1%C3%AE-pathway-mediated-mitochondria-biogenesis
#1
Xiaobo Wang, Ning Huang, Min Yang, Dandan Wei, Haoran Tai, Xiaojuan Han, Hui Gong, Jiao Zhou, Jianqiong Qin, Xiawei Wei, Honghan Chen, Tingting Fang, Hengyi Xiao
Global germ line loss of fat mass- and obesity-associated (FTO) gene results in both the reduction of fat mass and lean mass in mice. The role of FTO in adipogenesis has been proposed, however, that in myogenesis has not. Skeletal muscle is the main component of body lean mass, so its connection with FTO physiologic significance need to be clarified. Here, we assessed the impact of FTO on murine skeletal muscle differentiation by in vitro and in vivo experiments. We found that FTO expression increased during myoblasts differentiation, while the silence of FTO inhibited the differentiation; in addition, skeletal muscle development was impaired in skeletal muscle FTO-deficient mice...
March 23, 2017: Cell Death & Disease
https://www.readbyqxmd.com/read/28326339/glucose-dependent-insulinotropic-polypeptide-gip-and-gip-receptor-gipr-genes-an-association-analysis-of-polymorphisms-and-bone-in-young-and-elderly-women
#2
Gaurav Garg, Fiona E McGuigan, Jitender Kumar, Holger Luthman, Valeriya Lyssenko, Kristina Akesson
INTRODUCTION: The gastro-intestinal hormone glucose-dependent insulinotropic polypeptide (GIP) potentiates glucose-induced insulin secretion, with bone anabolic effects through GIP receptor (GIPR) in animal models. We explore its potential in humans by analyzing association between polymorphisms (SNPs) in the GIP and GIPR genes with bone phenotypes in young and elderly women. METHODS: Association between GIP (rs2291725) and GIPR (rs10423928) and BMD, bone mineral content (BMC), bone microarchitecture, fracture and body composition was analyzed in the OPRA (75y, n = 1044) and PEAK-25 (25y; n = 1061) cohorts and serum-GIP in OPRA...
June 2016: Bone Reports
https://www.readbyqxmd.com/read/28324015/paternally-inherited-dlk1-deletion-associated-with-familial-central-precocious-puberty
#3
Andrew Dauber, Marina Cunha-Silva, Delanie B Macedo, Vinicius N Brito, Ana Paula Abreu, Stephanie A Roberts, Luciana R Montenegro, Melissa Andrew, Andrew Kirby, Matthew T Weirauch, Guillaume Labilloy, Danielle S Bessa, Rona S Carroll, Dakota C Jacobs, Patrick E Chappell, Berenice B Mendonca, David Haig, Ursula B Kaiser, Ana Claudia Latronico
Context: Central precocious puberty (CPP) results from premature activation of the hypothalamic-pituitary-gonadal axis. Few genetic causes of CPP have been identified with the most common being mutations in the paternally expressed imprinted gene MKRN3. Objective: To identify the genetic etiology of CPP in a large multigenerational family. Design: Linkage analysis followed by whole genome sequencing was performed in a family with 5 female members with nonsyndromic CPP...
January 27, 2017: Journal of Clinical Endocrinology and Metabolism
https://www.readbyqxmd.com/read/28300011/neonatal-fatty-acid-profiles-are-correlated-with-infant-growth-measures-at-6-months
#4
P F O'Tierney-Ginn, D Davina, M Gillingham, D J P Barker, C Morris, K L Thornburg
Rapid weight gain in infancy and low levels of n-3 long chain polyunsaturated fatty acids (LCPUFA) at birth are associated with increased adiposity later in life. The association between placental LCPUFA delivery and weight gain in infancy is poorly understood. We sought to determine the relationships between maternal phenotype, placental fatty acid transporter expression and offspring growth patterns over the first 6 months. Placental tissue and cord blood were collected at term delivery from women with uncomplicated pregnancies...
March 16, 2017: Journal of Developmental Origins of Health and Disease
https://www.readbyqxmd.com/read/28298542/lipid-emulsion-added-to-a-liquid-high-carbohydrate-diet-and-voluntary-running-exercise-reduce-lipogenesis-and-ameliorate-early-stage-hepatic-steatosis-in-mice
#5
Kuan-Hsun Huang, Lei Hao, Philip B Smith, Connie J Rogers, Andrew D Patterson, A Catharine Ross
Background: The use of parenteral nutrition formulas is often associated with the development of hepatic steatosis. We have shown previously that the addition of a lipid emulsion (LE) rich in n-6 (ω-6) fatty acids (FAs) ameliorated triglyceride (TG) accumulation in the livers of nonobese mice fed a high-carbohydrate diet (HCD) for 5 wk. However, it remains unclear how rapidly this condition develops and whether it can be prevented by LE with or without a running wheel for voluntary exercise (Exe).Objective: We investigated in an 8-d study whether mice develop steatosis and whether the administration of LE with or without Exe reduces the concentration of total FAs and prevents an increase in the expression of genes in the liver associated with lipogenesis...
March 15, 2017: Journal of Nutrition
https://www.readbyqxmd.com/read/28294290/genetic-obesity-risk-and-attenuation-effect-of-physical-fitness-in-mexican-mestizo-population-a-case-control-study
#6
Paula Costa-Urrutia, Carolina Abud, Valentina Franco-Trecu, Valentina Colistro, Martha Eunice Rodríguez-Arellano, Joel Vázquez-Pérez, Julio Granados, Marilia Seelaender
We analyzed commonly reported European and Asian obesity-related gene variants in a Mexican-Mestizo population through each single nucleotide polymorphism (SNP) and a genetic risk score (GRS) based on 23 selected SNPs. Study subjects were physically active Mexican-Mestizo adults (n  =  608) with body mass index (BMI) values from 18 to 55 kg/m(2) . For each SNP and for the GRS, logistic models were performed to test for simple SNP associations with BMI, fat mass percentage (FMP), waist circumference (WC), and the interaction with VO2max and muscular endurance (ME)...
March 15, 2017: Annals of Human Genetics
https://www.readbyqxmd.com/read/28294082/genetics-of-fat-intake-in-the-determination-of-body-mass
#7
Agata Chmurzynska, Monika A Mlodzik
Body mass and fat intake are multifactorial traits that have genetic and environmental components. The gene with the greatest effect on body mass is FTO (fat mass and obesity-associated), but several studies have shown that the effect of FTO (and of other genes) on body mass can be modified by the intake of nutrients. The so-called gene-environment interactions may also be important for the effectiveness of weight-loss strategies. Food choices, and thus fat intake, depend to some extent on individual preferences...
March 15, 2017: Nutrition Research Reviews
https://www.readbyqxmd.com/read/28290602/ajs1669-a-novel-small-molecule-muscle-glycogen-synthase-activator-improves-glucose-metabolism-and-reduces-body-fat-mass-in-mice
#8
Kazuhiro Nakano, Sen Takeshita, Noriko Kawasaki, Wataru Miyanaga, Yoriko Okamatsu, Mizuki Dohi, Tadakiyo Nakagawa
Impaired glycogen synthesis and turnover are common in insulin resistance and type 2 diabetes. As glycogen synthase (GS) is a key enzyme involved in the synthetic process, it presents a promising therapeutic target for the treatment of type 2 diabetes. In the present study, we identified a novel, potent and orally available GS activator AJS1669 {sodium 2-[[5-[[4-(4,5-difluoro-2-methylsulfanyl-phenyl)phenoxy] methyl]furan-2-carbonyl]-(2-furylmethyl)amino] acetate}. In vitro, we performed a glycogen synthase 1 (GYS1) activation assay for screening GS activators and identified that the activity of AJS1669 was further potentiated in the presence of glucose-6-phosphate (G6P)...
March 7, 2017: International Journal of Molecular Medicine
https://www.readbyqxmd.com/read/28288896/age-and-menopause-related-differences-in-subcutaneous-adipose-tissue-estrogen-receptor-mrna-expression
#9
Young-Min Park, Christopher Erickson, Dan Bessesen, Rachael E Van Pelt, Kimberly Cox-York
OBJECTIVES: Changes in estrogen receptor (ER) expression likely underlie differential metabolic effects of estrogen in pre- and postmenopausal women. The aim of the current study was to determine whether ER gene expression in abdominal and femoral subcutaneous adipose tissue (SAT) was associated with age, menopause, or regional adiposity. METHODS: We studied pre- and post-menopausal (n=23 and 22, respectively; age 35-65y) normal weight (mean±SD; BMI 23.7±2.5kg/m(2)) women with similar total fat mass...
March 10, 2017: Steroids
https://www.readbyqxmd.com/read/28288562/genetic-diversity-and-signatures-of-selection-in-various-goat-breeds-revealed-by-genome-wide-snp-markers
#10
Luiz F Brito, James W Kijas, Ricardo V Ventura, Mehdi Sargolzaei, Laercio R Porto-Neto, Angela Cánovas, Zeny Feng, Mohsen Jafarikia, Flávio S Schenkel
BACKGROUND: The detection of signatures of selection has the potential to elucidate the identities of genes and mutations associated with phenotypic traits important for livestock species. It is also very relevant to investigate the levels of genetic diversity of a population, as genetic diversity represents the raw material essential for breeding and has practical implications for implementation of genomic selection. A total of 1151 animals from nine goat populations selected for different breeding goals and genotyped with the Illumina Goat 50K single nucleotide polymorphisms (SNP) Beadchip were included in this investigation...
March 14, 2017: BMC Genomics
https://www.readbyqxmd.com/read/28288181/nucleocytoplasmic-shuttling-of-fto-does-not-affect-starvation-induced-autophagy
#11
Aleksander Aas, Pauline Isakson, Christian Bindesbøll, Endalkachew A Alemu, Arne Klungland, Anne Simonsen
Polymorphic variants of the FTO (fat mass and obesity) gene associate with body mass index in humans, but the underlying molecular mechanisms have not been firmly determined. FTO is linked to energy homeostasis via amino acid sensing and is thought to activate the mammalian target of rapamycin complex 1, a negative regulator of autophagy. FTO localises both to the nucleus and the cytoplasm, and in this study we identify a functional nuclear localisation signal (NLS) in the N-terminus of FTO, as well as nuclear localization information in its very C-terminus...
2017: PloS One
https://www.readbyqxmd.com/read/28288167/erythropoietin-epo-ameliorates-obesity-and-glucose-homeostasis-by-promoting-thermogenesis-and-endocrine-function-of-classical-brown-adipose-tissue-bat-in-diet-induced-obese-mice
#12
Kazuki Kodo, Satoru Sugimoto, Hisakazu Nakajima, Jun Mori, Ikuyo Itoh, Shota Fukuhara, Keiichi Shigehara, Taichiro Nishikawa, Kitaro Kosaka, Hajime Hosoi
Erythropoietin (EPO), clinically used as a hematopoietic drug, has received much attention due to its nonhematopoietic effects. EPO reportedly has beneficial effects on obesity and diabetes mellitus. We investigated whether interscapular brown adipose tissue (iBAT: main part of classical BAT) could play a role in EPO's anti-obesity and anti-diabetic effects in diet-induced obese mice. Four-week-old male C57BL/6J mice were fed a high-fat diet (HFD-Con), and half were additionally given an intraperitoneal injection of recombinant human EPO (200 IU/kg) (HFD-EPO) thrice a week for four weeks...
2017: PloS One
https://www.readbyqxmd.com/read/28283271/multiple-chemical-sensitivity-genotypic-characterization-nutritional-status-and-quality-of-life-in-52-patients
#13
Viviana Loria-Kohen, Helena Marcos-Pasero, Rocío de la Iglesia, Elena Aguilar-Aguilar, Isabel Espinosa-Salinas, Jesús Herranz, Ana Ramírez de Molina, Guillermo Reglero
BACKGROUND AND OBJECTIVES: Multiple chemical sensitivity (MCS) is a chronic, multisystem syndrome of unknown etiology. The aim of the present study was to describe the nutritional status and quality of life of patients suffering from MCS, as well as to identify potential polymorphisms associated with this illness. PATIENTS AND METHODS: A cross-sectional, descriptive study was performed on patients with a diagnosis of MCS. Data on anthropometric and body composition variables, hand muscle strength and quality of life were collected...
March 7, 2017: Medicina Clínica
https://www.readbyqxmd.com/read/28282466/fat-mass-and-obesity-associated-gene-fto-is-associated-to-eating-disorders-susceptibility-and-moderates-the-expression-of-psychopathological-traits
#14
Giovanni Castellini, Marica Franzago, Silvia Bagnoli, Lorenzo Lelli, Michela Balsamo, Milena Mancini, Benedetta Nacmias, Valdo Ricca, Sandro Sorbi, Ivana Antonucci, Liborio Stuppia, Giovanni Stanghellini
Eating Disorders (EDs) show a multifactorial etiopathogenesis including environmental, psychological and biological factors. In the present study, we propose a model of interactions between genetic vulnerability-represented by Fat Mass and Obesity-Associated (FTO) gene-and stable psychopathological traits, such as bodily disorders and emotion dysregulation for EDs patients. The distribution of a polymorphism of the FTO (rs9939609 T>A) was evaluated in a series of 250 EDs patients and in a group of 119 healthy control subjects...
2017: PloS One
https://www.readbyqxmd.com/read/28258092/impaired-adipose-expansion-caused-by-liver-x-receptor-activation-is-associated-with-insulin-resistance-in-mice-fed-a-high-fat-diet
#15
Yueting Dong, Zhiye Xu, Ziyi Zhang, Xueyao Yin, Xihua Lin, Hong Li, Fenping Zheng
Liver X receptors (LXR) are deemed as potential drug targets for atherosclerosis, whereas a role in adipose tissue expansion and its relation to insulin sensitivity remains unclear. To assess the metabolic effects of LXR activation by the dual LXRα/β agonist T0901317, C57BL/6 mice fed a high-fat diet (HFD) were treated with T0901317 (30 mg/kg once daily by intraperitoneal injection) for 3 weeks. Differentiated 3T3-L1 adipocytes were used for analysing the effect of T0901317 on glucose uptake. The following results were obtained from this study...
April 2017: Journal of Molecular Endocrinology
https://www.readbyqxmd.com/read/28257836/association-analysis-of-fto-gene-polymorphisms-with-obesity-in-greek-adults
#16
Yiannis Goutzelas, Kalliopi Kotsa, Yiannis Vasilopoulos, Xanthippi Tsekmekidou, Costas Stamatis, John G Yovos, Theologia Sarafidou, Zissis Mamuris
Nowadays, obesity is the greatest scourge worldwide, particularly for the developed countries and is a huge burden for the public health. Over the past decade, GWAS have revealed a number of genes associated with obesity. The fat mass and obesity associated (FTO) gene was the first one associated with obesity in a significant number of populations and recent meta-analysis studies confirm this association. FTO is a N-methyladenosine demethylase and in addition to the genetic association, its biological role in the regulation of body weight has been documented...
February 28, 2017: Gene
https://www.readbyqxmd.com/read/28257443/analysis-of-large-versus-small-dogs-reveals-three-genes-on-the-canine-x-chromosome-associated-with-body-weight-muscling-and-back-fat-thickness
#17
Jocelyn Plassais, Maud Rimbault, Falina J Williams, Brian W Davis, Jeffrey J Schoenebeck, Elaine A Ostrander
Domestic dog breeds display significant diversity in both body mass and skeletal size, resulting from intensive selective pressure during the formation and maintenance of modern breeds. While previous studies focused on the identification of alleles that contribute to small skeletal size, little is known about the underlying genetics controlling large size. We first performed a genome-wide association study (GWAS) using the Illumina Canine HD 170,000 single nucleotide polymorphism (SNP) array which compared 165 large-breed dogs from 19 breeds (defined as having a Standard Breed Weight (SBW) >41 kg [90 lb]) to 690 dogs from 69 small breeds (SBW ≤41 kg)...
March 2017: PLoS Genetics
https://www.readbyqxmd.com/read/28253220/fat-mass-and-obesity-associated-protein-attenuates-lipid-accumulation-in-macrophage-foam-cells-and-alleviates-atherosclerosis-in-apolipoprotein-e-deficient-mice
#18
Chunfen Mo, Ming Yang, Xiaojuan Han, Junhong Li, Guangping Gao, Haoran Tai, Ning Huang, Hengyi Xiao
OBJECTIVE: Genome-wide association studies have linked variants of fat mass and obesity-associated protein (FTO) to obesity. However, the molecular function of FTO remains unclear. In this study, we sought to investigate the potential effects of FTO in modulating cholesterol deposition in macrophage foam cells, as well as whether FTO exerts antiatherosclerotic properties in apolipoprotein E-deficient mice. METHOD AND RESULTS: We transfected RAW264.7 cells with plasmids encoding a wild-type or mutant FTO gene (I367F)...
April 2017: Journal of Hypertension
https://www.readbyqxmd.com/read/28251397/effect-of-lifelong-football-training-on-the-expression-of-muscle-molecular-markers-involved-in-healthy-longevity
#19
A Mancini, D Vitucci, G Labruna, E Imperlini, M B Randers, J F Schmidt, M Hagman, T R Andersen, R Russo, S Orrù, P Krustrup, F Salvatore, P Buono
PURPOSE: We investigated whether lifelong football training affects the expression of healthy longevity-related muscle molecular markers. METHODS: Biopsies were collected from the vastus lateralis muscle of 10 lifelong football-trained men (68.2 ± 3.0 years) and of 10 active untrained healthy men (66.7 ± 1.3 years). Gene and protein expression was measured by RTqPCR on RNA and by western blotting on protein extracts from muscle biopsies, respectively...
March 1, 2017: European Journal of Applied Physiology
https://www.readbyqxmd.com/read/28244985/high-bmi-levels-associate-with-reduced-mrna-expression-of-il10-and-increased-mrna-expression-of-inos-nos2-in-human-frontal-cortex
#20
J K Lauridsen, R H Olesen, J Vendelbo, T M Hyde, J E Kleinman, B M Bibby, B Brock, J Rungby, A Larsen
Several studies link increasing body mass index (BMI) to cognitive decline both as a consequence of obesity per se and as a sequela of obesity-induced type 2 diabetes. Obese individuals are prone to a chronic low-grade inflammation as the metabolically active visceral fat produces proinflammatory cytokines. Animal studies indicate that these cytokines can cross the blood-brain barrier. Such crossover could potentially affect the immune system in the brain by inducing gene expression of proinflammatory genes...
February 28, 2017: Translational Psychiatry
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