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https://www.readbyqxmd.com/read/29135286/vitamin-b12-supplementation-influences-methylation-of-genes-associated-with-type-2-diabetes-and-its-intermediate-traits
#1
Dilip K Yadav, Smeeta Shrestha, Karen A Lillycrop, Charu V Joglekar, Hong Pan, Joanna D Holbrook, Caroline Hd Fall, Chittaranjan S Yajnik, Giriraj R Chandak
AIM: To investigate the effect of B12 and/or folic acid supplementation on genome-wide DNA methylation. METHODS: We performed Infinium HumanMethylation450 BeadChip (Zymo Research, CA, USA) assay in children supplemented with B12 and/or folic acid (n = 12 in each group) and investigated the functional mechanism of selected differentially methylated loci. RESULTS: We noted significant methylation changes postsupplementation in B12 (589 differentially methylated CpGs and 2892 regions) and B12 + folic acid (169 differentially methylated CpGs and 3241 regions) groups...
November 14, 2017: Epigenomics
https://www.readbyqxmd.com/read/29126384/population-differentiation-in-allele-frequencies-of-obesity-associated-snps
#2
Linyong Mao, Yayin Fang, Michael Campbell, William M Southerland
BACKGROUND: Obesity is emerging as a global health problem, with more than one-third of the world's adult population being overweight or obese. In this study, we investigated worldwide population differentiation in allele frequencies of obesity-associated SNPs (single nucleotide polymorphisms). RESULTS: We collected a total of 225 obesity-associated SNPs from a public database. Their population-level allele frequencies were derived based on the genotype data from 1000 Genomes Project (phase 3)...
November 10, 2017: BMC Genomics
https://www.readbyqxmd.com/read/29101069/association-between-fto-gene-polymorphisms-and-type-2-diabetes-mellitus-serum-levels-of-apelin-and-androgen-hormones-among-iranian-obese-women
#3
Farzaneh Ghafarian Alipour, Shayan Ziaee, Mohamad Reza Ashoori, Mir Saeid Zakeri, Mohammad Ali Boroumand, Naser Aghamohammadzadeh, Maryam Abbasi-Majdi, Fatemeh Shool, Navid Sarakhs Asbaghi, Abolghasem Mohammadi, Nosratollah Zarghami
BACKGROUND AND AIMS: Recent studies show that FTO single nucleotide polymorphisms (SNPs) are associated with obesity and type 2 diabetes mellitus (T2DM). On the other hand, many animal models and clinical studies have demonstrated that apelin, an adipocytokine, is related to the obesity and T2DM. Additionally, obese women are at risk of Hyperandrogenemia. So, the aim of this study was to investigate the relationship between FTO variants (rs763967273, rs759031579, rs141115189, rs9926289, rs76804286 and rs9939609) with T2DM, serum apelin and androgenic hormones in Iranian obese women...
October 31, 2017: Gene
https://www.readbyqxmd.com/read/29098158/angelica-sinensis-suppresses-body-weight-gain-and-alters-expression-of-the-fto-gene-in-high-fat-diet-induced-obese-mice
#4
Tao Zhong, Xiao-Yue Duan, Hao Zhang, Li Li, Hong-Ping Zhang, Lili Niu
The root of Angelica sinensis (RAS) is a traditional Chinese medicine used for preventing and treating various diseases. In this study, we assessed RAS supplementation effects on body weight and the FTO gene expression and methylation status in a high-fat-diet (HFD) induced obese mouse model. Female obese mice were divided into groups according to RAS dosage in diet as follows: normal diet, HFD diet (HC), HFD with low-dosage RAS (DL), HFD with medium-dosage RAS (DM), and HFD with high-dosage RAS (DH). After RAS supplementation for 4 weeks, body weight suppression and FTO expression in DH mice were significantly higher than in HC mice, whereas no significant change in FTO expression was detected between DM and DL mice or in their offspring...
2017: BioMed Research International
https://www.readbyqxmd.com/read/29090233/common-variations-in-perilipin-rs1052700-and-fto-rs3751812-gene-variants-and-risk-for-obesity-and-type-2-diabetes
#5
Ramin Saravani, Hamid Reza Galavi, Nafiseh Noorzehi, Nasrin Ranjbar, Fatemeh Mollashahee-Kohkan
BACKGROUND: Perilipins are proteins that coat lipid globules in adipocytes, which are steroid-generating cells that play a central role in lipid storage and breakdown. The FTO gene is associated with type-2 diabetes (T2D) and increased fat mass. In this work the association of perilipin and FTO gene polymorphisms in T2D was investigated. METHODS: One hundred eighty-three Iranian men and women with T2D, and 174 healthy controls with no known metabolic diseases, participated in the study...
October 2017: Reports of Biochemistry & Molecular Biology
https://www.readbyqxmd.com/read/29074394/n-6-adenine-dna-methylation-demystified-in-eukaryotic-genome-from-biology-to-pathology
#6
REVIEW
Nidarshana Chaturvedi Parashar, Gaurav Parashar, Harsh Nayyar, Rajat Sandhir
N(6)-methyl-2'-deoxyadenosine (m6dA) is a well characterized DNA modification in prokaryotes. Its existence in eukaryotic DNA remained doubtful until recently. Evidence suggests that the m6dA levels decrease with the increasing complexity of eukaryotic genomes. Analysis of m6dA levels in genome of lower eukaryotes reveals its role in gene regulation, nucleosome positioning and early development. In higher eukaryotes m6dA is enriched in nongenic region compared to genic region, preferentially in chromosome X and 13 suggesting a chromosome bias...
October 23, 2017: Biochimie
https://www.readbyqxmd.com/read/29040503/the-role-of-early-life-growth-development-the-fto-gene-and-exclusive-breastfeeding-on-child-bmi-trajectories
#7
Yan Yan Wu, Stephen Lye, Laurent Briollais
Background: Recent studies have implicated the FTO gene in child and adult obesity. A longer duration of exclusive breastfeeding (EXBF) has been shown to reduce body mass index (BMI) and the risk of being overweight in the general population and among FTO gene carriers. However, it remains unclear whether the preventive effect of EXBF could be explained by its impact on early life growth development, e.g. ages at adiposity peak (AP) and adiposity rebound (AR) and BMI velocities in the first years of life, which are major determinants of overweight and obesity later in life...
October 1, 2017: International Journal of Epidemiology
https://www.readbyqxmd.com/read/29034152/association-of-fatty-acid-binding-protein-2-and-fat-mass-and-obesity-associated-gene-polymorphism-with-primary-open-angle-glaucoma
#8
Shania Abbas, Syed Tasleem Raza, Anu Chandra, Luxmi Singh, Farzana Mahdi
PURPOSE: The present study was carried out to investigate the association of fatty acid-binding protein 2 (FABP2) and fat mass and obesity-associated (FTO) gene polymorphism with primary open-angle glaucoma (POAG) cases and controls. MATERIALS AND METHODS: This study includes 122 POAG cases and 112 controls. FABP2 and FTO gene polymorphisms in cases and controls were evaluated by polymerase chain reaction-restriction fragment length polymorphism method. RESULTS: The mean ages were 49...
July 2017: Taiwan Journal of Ophthalmology
https://www.readbyqxmd.com/read/28988247/distinct-penetrance-of-obesity-associated-susceptibility-alleles-in-the-hungarian-general-and-roma-populations
#9
Károly Nagy, Szilvia Fiatal, János Sándor, Róza Ádány
AIMS: The aim of our study was to explore differences in genetic predisposition to obesity between the Hungarian general and Roma populations. METHODS: A total of 1,152 samples from the Hungarian Roma population and 1,743 samples from the Hungarian general population were genotyped for 20 single nucleotide polymorphisms (SNPs) associated with the risk of obesity. Two types of multilocus genetic risk scores were constructed to estimate the combined effect of selected SNPs...
October 7, 2017: Obesity Facts
https://www.readbyqxmd.com/read/28933365/milk-s-role-as-an-epigenetic-regulator-in-health-and-disease
#10
REVIEW
Bodo C Melnik, Gerd Schmitz
It is the intention of this review to characterize milk's role as an epigenetic regulator in health and disease. Based on translational research, we identify milk as a major epigenetic modulator of gene expression of the milk recipient. Milk is presented as an epigenetic "doping system" of mammalian development. Milk exosome-derived micro-ribonucleic acids (miRNAs) that target DNA methyltransferases are implicated to play the key role in the upregulation of developmental genes such as FTO, INS, and IGF1. In contrast to miRNA-deficient infant formula, breastfeeding via physiological miRNA transfer provides the appropriate signals for adequate epigenetic programming of the newborn infant...
March 15, 2017: Diseases (Basel)
https://www.readbyqxmd.com/read/28924523/the-interplay-of-genetics-and-environmental-factors-in-the-development-of-obesity
#11
REVIEW
Abu Baker Sheikh, Adeel Nasrullah, Shujaul Haq, Aisha Akhtar, Haider Ghazanfar, Amara Nasir, Rao M Afzal, Marvi M Bukhari, Ahtsham Yousaf Chaudhary, Syed W Naqvi
Obesity is a major health issue in the developed nations, and it has been increasingly clear that both genetics and environment play an important role in determining if an individual will be obese or not. We reviewed the latest researches which were carried out to identify the obesity susceptible genes and to identify the metabolic pathways having a central role in energy balance. Obesity is a heritable disorder, and some of the many obesity susceptible genes are fat mass and obesity (FTO), leptin, and Melanocortin-4 receptor (MC4R)...
July 6, 2017: Curēus
https://www.readbyqxmd.com/read/28915859/the-fto-gene-polymorphism-is-associated-with-metabolic-syndrome-risk-in-egyptian-females-a-case-control-study
#12
Mina S Khella, Nadia M Hamdy, Ashraf I Amin, Hala O El-Mesallamy
BACKGROUND: Variations within fat mass and obesity associated (FTO) gene had crosstalk with obesity risk in European and some Asian populations. This study was designed to investigate FTO rs9939609 association with metabolic syndrome (MetS) as well as biochemical parameters as plasma glucose, serum triacylglycerol (TAG), total cholesterol (TC) and transaminases enzymes in Arab female population from Egypt. METHODS: In order to achieve that, FTO gene rs9939609 (A < T) was genotyped using TaqMan SNP Genotyping Assay in a total of 197 females which were enrolled in this study...
September 16, 2017: BMC Medical Genetics
https://www.readbyqxmd.com/read/28914195/polymorphism-rs9939609-of-fat-mass-and-obesity-associated-gene-correlation-with-leptin-level-of-obese-women-suffered-from-type-2-diabetes
#13
Mehdi Niknam Moghanloo, Naser Aga Mohammadzadeh, Hajie Lotfi, Rasoul Mahmoudi, Maryam Abbasi, Farzaneh Ghafarian Alipour, Fatemeh Shool, Sadegh Porfar, Nosratollah Zarghami
Background Recent studies reported that Fat Mass and obesity-associated gene (FTO) single nucleotides polymorphisms (SNPs), especially rs9939609, have association with obesity and type 2 diabetes mellitus. On the other hand, many researches confirmed that leptin, an adipocytokine, is related to the obesity and body mass index (BMI) in patients who suffered from type 2 diabetes(T2DM). Objective In this study, the correlation of FTO rs9939609 polymorphism and leptin level was investigated in the obese women who suffered from T2DM...
September 15, 2017: Current Diabetes Reviews
https://www.readbyqxmd.com/read/28913579/association-between-fto-gene-polymorphisms-and-hdl-cholesterol-concentration-may-cause-higher-risk-of-cardiovascular-disease-in-patients-with-acromegaly
#14
Aleksandra Franczak, Katarzyna Kolačkov, Aleksandra Jawiarczyk-Przybyłowska, Marek Bolanowski
INTRODUCTION: Cardiovascular diseases are main cause of morbidity and mortality in acromegaly. Polymorphisms of FTO gene are associated with obesity and increased risk of CVD (independently of BMI). Aim of this study was to investigate the allele frequencies of two FTO gene polymorphisms: rs9939609 and rs9930506 in patients with acromegaly and to examine the association of FTO gene polymorphisms with BMI and selected metabolic parameters. MATERIALS AND METHODS: Identification of two single nucleotide polymorphisms of FTO gene was carried out in 51 patients with acromegaly using the minisequencing method...
September 14, 2017: Pituitary
https://www.readbyqxmd.com/read/28890888/association-between-ace-rs4646994-fabp2-rs1799883-mthfr-rs1801133-fto-rs9939609-genes-polymorphism-and-type-2-diabetes-with-dyslipidemia
#15
Syed Tasleem Raza, Shania Abbas, Zeba Siddiqi, Farzana Mahdi
Diabetic dyslipidemia is one of the leading causes of coronary artery disease (CAD) death. Genetic and environmental factors play an important role in the development of type 2 diabetes mellitus (T2DM) and dyslipidemia. The present study was aimed to investigate the association of ACE (rs4646994), FABP2 (rs1799883), MTHFR (rs1801133) and FTO (rs9939609) genes polymorphism in T2DM with dyslipidemia. Totally, 559 subjects including 221 T2DM cases with dyslipidemia, 158 T2DM without dyslipidemia and 180 controls were enrolled...
2017: International Journal of Molecular and Cellular Medicine
https://www.readbyqxmd.com/read/28881622/is-fto-gene-variant-related-to-cancer-risk-independently-of-adiposity-an-updated-meta-analysis-of-129-467-cases-and-290-633-controls
#16
Yu Kang, Fang Liu, Yao Liu
Previous studies have examined the association between the fat mass and obesity-associated (FTO) gene variant and risk of cancer in diverse populations. However, the results have been inconsistent. PubMed and Embase databases were searched for the eligible publications in English language by July, 2016. The associations of FTO variants with cancer risk were estimated by calculating the pooled odds ratios and 95% confidence intervals by meta-analyses. A total of 27 publications (129,467 cancer cases and 290,633 normal controls) were included in our meta-analysis...
August 1, 2017: Oncotarget
https://www.readbyqxmd.com/read/28873402/gene-environment-interaction-study-for-bmi-reveals-interactions-between-genetic-factors-and-physical-activity-alcohol-consumption-and-socioeconomic-status
#17
Mathias Rask-Andersen, Torgny Karlsson, Weronica E Ek, Åsa Johansson
Previous genome-wide association studies (GWAS) have identified hundreds of genetic loci to be associated with body mass index (BMI) and risk of obesity. Genetic effects can differ between individuals depending on lifestyle or environmental factors due to gene-environment interactions. In this study, we examine gene-environment interactions in 362,496 unrelated participants with Caucasian ancestry from the UK Biobank resource. A total of 94 BMI-associated SNPs, selected from a previous GWAS on BMI, were used to construct weighted genetic scores for BMI (GSBMI)...
September 2017: PLoS Genetics
https://www.readbyqxmd.com/read/28859657/fto-associations-with-obesity-and-telomere-length
#18
REVIEW
Yuling Zhou, Brett D Hambly, Craig S McLachlan
This review examines the biology of the Fat mass- and obesity-associated gene (FTO), and the implications of genetic association of FTO SNPs with obesity and genetic aging. Notably, we focus on the role of FTO in the regulation of methylation status as possible regulators of weight gain and genetic aging. We present a theoretical review of the FTO gene with a particular emphasis on associations with UCP2, AMPK, RBL2, IRX3, CUX1, mTORC1 and hormones involved in hunger regulation. These associations are important for dietary behavior regulation and cellular nutrient sensing via amino acids...
September 1, 2017: Journal of Biomedical Science
https://www.readbyqxmd.com/read/28826396/association-between-fat-mass-and-obesity-associated-fto-gene-rs9939609-a-t-polymorphism-and-polycystic-ovary-syndrome-a-systematic-review-and-meta-analysis
#19
REVIEW
Ai Ling Liu, Hui Jun Xie, Hong Yan Xie, Jun Liu, Jie Yin, Jin Song Hu, Cui Ying Peng
BACKGROUND: Up to now, numerous case-control studies have reported the associations between fat mass and obesity associated (FTO) gene rs9939609 A/T polymorphism and polycystic ovary syndrome (PCOS), however, without a consistent result. Hence we performed current systematic review and meta-analysis to clarify the controversial results. METHODS: Case-control studies reporting the relationship of rs9939609 A/T polymorphism and PCOS published before April 2015 were searched in Pubmed database without language restriction...
August 21, 2017: BMC Medical Genetics
https://www.readbyqxmd.com/read/28805616/prenatal-diagnosis-and-molecular-cytogenetic-characterization-of-mosaicism-for-a-small-supernumerary-marker-chromosome-derived-from-chromosome-16
#20
Chih-Ping Chen, Tsang-Ming Ko, Schu-Rern Chern, Peih-Shan Wu, Shin-Wen Chen, Shih-Ting Lai, Chien-Wen Yang, Chen-Wen Pan, Wayseen Wang
OBJECTIVE: We present prenatal diagnosis and molecular cytogenetic characterization of a small supernumerary marker chromosome (sSMC) derived from chromosome 16. CASE REPORT: A 28-year-old woman underwent amniocentesis at 17 weeks of gestation because of abnormal maternal serum screening for Down syndrome. Amniocentesis revealed a karyotype of 47,XY,+mar[5]/46,XY[9]. Parental karyotypes were normal. Prenatal ultrasound findings were unremarkable. Array comparative genomic hybridization (aCGH) analysis of cultured amniocytes revealed a de novo 16% gene dosage increase of 16q11...
August 2017: Taiwanese Journal of Obstetrics & Gynecology
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