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Publication Detail

Title: A genome-wide association meta-analysis identifies new childhood obesity loci.

Authors: Bradfield, Jonathan P; Taal, H Rob; Timpson, Nicholas J; Scherag, André; Lecoeur, Cecile; Warrington, Nicole M; Hypponen, Elina; Holst, Claus; Valcarcel, Beatriz; Thiering, Elisabeth; Salem, Rany M; Schumacher, Fredrick R; Cousminer, Diana L; Sleiman, Patrick M A; Zhao, Jianhua; Berkowitz, Robert I; Vimaleswaran, Karani S; Jarick, Ivonne; Pennell, Craig E; Evans, David M; St Pourcain, Beate; Berry, Diane J; Mook-Kanamori, Dennis O; Hofman, Albert; Rivadeneira, Fernando; Uitterlinden, André G; van Duijn, Cornelia M; van der Valk, Ralf J P; de Jongste, Johan C; Postma, Dirkje S; Boomsma, Dorret I; Gauderman, W James; Hassanein, Mohamed T; Lindgren, Cecilia M; Mägi, Reedik; Boreham, Colin A G; Neville, Charlotte E; Moreno, Luis A; Elliott, Paul; Pouta, Anneli; Hartikainen, Anna-Liisa; Li, Mingyao; Raitakari, Olli; Lehtimäki, Terho; Eriksson, Johan G; Palotie, Aarno; Dallongeville, Jean; Das, Shikta; Deloukas, Panos; McMahon, George; Ring, Susan M; Kemp, John P; Buxton, Jessica L; Blakemore, Alexandra I F; Bustamante, Mariona; Guxens, Mònica; Hirschhorn, Joel N; Gillman, Matthew W; Kreiner-Møller, Eskil; Bisgaard, Hans; Gilliland, Frank D; Heinrich, Joachim; Wheeler, Eleanor; Barroso, Inês; O'Rahilly, Stephen; Meirhaeghe, Aline; Sørensen, Thorkild I A; Power, Chris; Palmer, Lyle J; Hinney, Anke; Widen, Elisabeth; Farooqi, I Sadaf; McCarthy, Mark I; Froguel, Philippe; Meyre, David; Hebebrand, Johannes; Jarvelin, Marjo-Riitta; Jaddoe, Vincent W V; Smith, George Davey; Hakonarson, Hakon; Grant, Struan F A; Early Growth Genetics Consortium

Published In Nat Genet, (2012 May)

Abstract: Multiple genetic variants have been associated with adult obesity and a few with severe obesity in childhood; however, less progress has been made in establishing genetic influences on common early-onset obesity. We performed a North American, Australian and European collaborative meta-analysis of 14 studies consisting of 5,530 cases (≥95th percentile of body mass index (BMI)) and 8,318 controls (<50th percentile of BMI) of European ancestry. Taking forward the eight newly discovered signals yielding association with P < 5 × 10(-6) in nine independent data sets (2,818 cases and 4,083 controls), we observed two loci that yielded genome-wide significant combined P values near OLFM4 at 13q14 (rs9568856; P = 1.82 × 10(-9); odds ratio (OR) = 1.22) and within HOXB5 at 17q21 (rs9299; P = 3.54 × 10(-9); OR = 1.14). Both loci continued to show association when two extreme childhood obesity cohorts were included (2,214 cases and 2,674 controls). These two loci also yielded directionally consistent associations in a previous meta-analysis of adult BMI(1).

PubMed ID: 22484627 Exiting the NIEHS site

MeSH Terms: Adolescent; Adult; Body Mass Index; Case-Control Studies; Genetic Loci*; Genetic Markers*; Genetic Predisposition to Disease; Genome-Wide Association Study*; Humans; Obesity/genetics*; Polymorphism, Single Nucleotide/genetics*; Young Adult

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