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https://www.readbyqxmd.com/read/28933365/milk-s-role-as-an-epigenetic-regulator-in-health-and-disease
#1
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
#2
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
#3
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
#4
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
#5
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
#6
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
#7
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
#8
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
#9
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
#10
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
#11
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
https://www.readbyqxmd.com/read/28765304/leveraging-psychiatric-and-medical-genetics-to-understand-comorbid-depression-and-obesity
#12
EDITORIAL
Anna R Docherty
Precision medicine in psychiatry is on the rise, and depression and obesity - two highly prevalent, comorbid and well-characterised phenotypes - are optimal targets for the approach. Add the bedrock susceptibility gene, FTO, and Riviera et al have identified a constellation of factors that could enhance clinical treatment of both disorders.
August 2017: British Journal of Psychiatry: the Journal of Mental Science
https://www.readbyqxmd.com/read/28744888/meta-analysis-of-gene-environment-interaction-exploiting-gene-environment-independence-across-multiple-case-control-studies
#13
Jason P Estes, John D Rice, Shi Li, Heather M Stringham, Michael Boehnke, Bhramar Mukherjee
Multiple papers have studied the use of gene-environment (G-E) independence to enhance power for testing gene-environment interaction in case-control studies. However, studies that evaluate the role of G-E independence in a meta-analysis framework are limited. In this paper, we extend the single-study empirical Bayes type shrinkage estimators proposed by Mukherjee and Chatterjee (2008) to a meta-analysis setting that adjusts for uncertainty regarding the assumption of G-E independence across studies. We use the retrospective likelihood framework to derive an adaptive combination of estimators obtained under the constrained model (assuming G-E independence) and unconstrained model (without assumptions of G-E independence) with weights determined by measures of G-E association derived from multiple studies...
July 25, 2017: Statistics in Medicine
https://www.readbyqxmd.com/read/28741265/mechanisms-of-type-2-diabetes-risk-loci
#14
REVIEW
Kyle J Gaulton
PURPOSE OF REVIEW: Deciphering the mechanisms of type 2 diabetes (T2DM) risk loci can greatly inform on disease pathology. This review discusses current knowledge of mechanisms through which genetic variants influence T2DM risk and considerations for future studies. RECENT FINDINGS: Over 100 T2DM risk loci to date have been identified. Candidate causal variants at risk loci map predominantly to non-coding sequence. Physiological, epigenomic and gene expression data suggest that variants at many known T2DM risk loci affect pancreatic islet regulation, although variants at other loci also affect protein function and regulatory processes in adipose, pre-adipose, liver, skeletal muscle and brain...
September 2017: Current Diabetes Reports
https://www.readbyqxmd.com/read/28738793/association-between-28-single-nucleotide-polymorphisms-and-type-2-diabetes-mellitus-in-the-kazakh-population-a-case-control-study
#15
Nurgul Sikhayeva, Aisha Iskakova, Nuria Saigi-Morgui, Elena Zholdybaeva, Chin-Bin Eap, Erlan Ramanculov
BACKGROUND: We evaluated the associations between single nucleotide polymorphisms and different clinical parameters related to type 2 diabetes mellitus (T2DM), obesity risk, and metabolic syndrome (MS) in a Kazakh cohort. METHODS: A total of 1336 subjects, including 408 T2DM patients and 928 control subjects, were recruited from an outpatient clinic and genotyped for 32 polymorphisms previously associated with T2DM and obesity-related phenotypes in other ethnic groups...
July 24, 2017: BMC Medical Genetics
https://www.readbyqxmd.com/read/28738459/-gene-gene-interaction-on-central-obesity-in-school-aged-children-in-china
#16
L W Fu, M X Zhang, L J Wu, L W Gao, J Mi
Objective: To investigate possible effect of 6 obesity-associated SNPs in contribution to central obesity and examine whether there is an interaction in the 6 SNPs in the cause of central obesity in school-aged children in China. Methods: A total of 3 502 school-aged children who were included in Beijing Child and Adolescent Metabolic Syndrome (BCAMS) Study were selected, and based on the age and sex specific waist circumference (WC) standards in the BCAMS study, 1 196 central obese cases and 2 306 controls were identified...
July 10, 2017: Zhonghua Liu Xing Bing Xue za Zhi, Zhonghua Liuxingbingxue Zazhi
https://www.readbyqxmd.com/read/28727822/dna-methylation-of-candidate-genes-in-peripheral-blood-from-patients-with-type-2-diabetes-or-the-metabolic-syndrome
#17
Sanne D van Otterdijk, Alexandra M Binder, Katarzyna Szarc Vel Szic, Julia Schwald, Karin B Michels
INTRODUCTION: The prevalence of type 2 diabetes (T2D) and the metabolic syndrome (MetS) is increasing and several studies suggested an involvement of DNA methylation in the development of these metabolic diseases. This study was designed to investigate if differential DNA methylation in blood can function as a biomarker for T2D and/or MetS. METHODS: Pyrosequencing analyses were performed for the candidate genes KCNJ11, PPARγ, PDK4, KCNQ1, SCD1, PDX1, FTO and PEG3 in peripheral blood leukocytes (PBLs) from 25 patients diagnosed with only T2D, 9 patients diagnosed with T2D and MetS and 11 control subjects without any metabolic disorders...
2017: PloS One
https://www.readbyqxmd.com/read/28717589/association-of-polymorphic-markers-of-genes-fto-kcnj11-cdkal1-slc30a8-and-cdkn2b-with-type-2-diabetes-mellitus-in-the-russian-population
#18
Aleksey G Nikitin, Viktor Y Potapov, Olga I Brovkina, Ekaterina O Koksharova, Dmitry S Khodyrev, Yury I Philippov, Marina S Michurova, Minara S Shamkhalova, Olga K Vikulova, Svetlana A Smetanina, Lyudmila A Suplotova, Irina V Kononenko, Viktor Y Kalashnikov, Olga M Smirnova, Alexander Y Mayorov, Valery V Nosikov, Alexander V Averyanov, Marina V Shestakova
BACKGROUND: The association of type 2 diabetes mellitus (T2DM) with the KCNJ11, CDKAL1, SLC30A8, CDKN2B, and FTO genes in the Russian population has not been well studied. In this study, we analysed the population frequencies of polymorphic markers of these genes. METHODS: The study included 862 patients with T2DM and 443 control subjects of Russian origin. All subjects were genotyped for 10 single nucleotide polymorphisms (SNPs) of the genes using real-time PCR (TaqMan assays)...
2017: PeerJ
https://www.readbyqxmd.com/read/28712975/fto-genotype-and-weight-status-among-preadolescents-assessing-the-mediating-effects-of-obesogenic-appetitive-traits
#19
Jennifer A Emond, Alison Tovar, Zhigang Li, Reina K Lansigan, Diane Gilbert-Diamond
Polymorphisms in the Fat Mass and Obesity Associated (FTO) gene are robustly associated with overweight and obesity among children, although the underlying mechanisms are poorly understood. We tested if appetitive traits partially mediated the association between FTO genotype and increased BMI among a sample of US preadolescents. Data were from 178 unrelated 9-10 year olds who participated in an experimental study between 2013 and 2015. Children's DNA was isolated from buccal swabs, and the rs9939609 SNP in the FTO gene was genotyped...
October 1, 2017: Appetite
https://www.readbyqxmd.com/read/28690685/examining-for-an-association-between-candidate-gene-polymorphisms-in-the-metabolic-syndrome-components-on-excess-weight-and-adiposity-measures-in-youth-a-cross-sectional-study
#20
Angélica María Muñoz, Claudia María Velásquez, Gloria María Agudelo, Rosa Magdalena Uscátegui, Alejandro Estrada, Fredy Alonso Patiño, Beatriz Elena Parra, María Victoria Parra, Gabriel Bedoya
BACKGROUND: A polymorphism in a gene may exert its effects on multiple phenotypes. The aim of this study is to explore the association of 10 metabolic syndrome candidate genes with excess weight and adiposity and evaluate the effect of perinatal and socioeconomic factors on these associations. METHODS: The anthropometry, socioeconomic and perinatal conditions and 10 polymorphisms were evaluated in 1081 young people between 10 and 18 years old. Genotypic associations were calculated using logistic and linear models adjusted by age, gender, and pubertal maturation, and a genetic risk score (GRS) was calculated by summing the number of effect alleles...
2017: Genes & Nutrition
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