Six new loci associated with body mass index highlight a neuronal influence on body weight regulation.

Authors:
Cristen J Willer Elizabeth K Speliotes Ruth J F Loos Shengxu Li Cecilia M Lindgren Iris M Heid Sonja I Berndt Amanda L Elliott Anne U Jackson Claudia Lamina Guillaume Lettre Noha Lim Helen N Lyon Steven A McCarroll Konstantinos Papadakis Lu Qi Joshua C Randall Rosa Maria Roccasecca Serena Sanna Paul Scheet Michael N Weedon Eleanor Wheeler Jing Hua Zhao Leonie C Jacobs Inga Prokopenko Nicole Soranzo Toshiko Tanaka Nicholas J Timpson Peter Almgren Amanda Bennett Richard N Bergman Sheila A Bingham Lori L Bonnycastle Morris Brown Noël P Burtt Peter Chines Lachlan Coin Francis S Collins John M Connell Cyrus Cooper George Davey Smith Elaine M Dennison Parimal Deodhar Paul Elliott Michael R Erdos Karol Estrada David M Evans Lauren Gianniny Christian Gieger Christopher J Gillson Candace Guiducci Rachel Hackett David Hadley Alistair S Hall Aki S Havulinna Johannes Hebebrand Albert Hofman Bo Isomaa Kevin B Jacobs Toby Johnson Pekka Jousilahti Zorica Jovanovic Kay-Tee Khaw Peter Kraft Mikko Kuokkanen Johanna Kuusisto Jaana Laitinen Edward G Lakatta Jian'an Luan Robert N Luben Massimo Mangino Wendy L McArdle Thomas Meitinger Antonella Mulas Patricia B Munroe Narisu Narisu Andrew R Ness Kate Northstone Stephen O'Rahilly Carolin Purmann Matthew G Rees Martin Ridderstråle Susan M Ring Fernando Rivadeneira Aimo Ruokonen Manjinder S Sandhu Jouko Saramies Laura J Scott Angelo Scuteri Kaisa Silander Matthew A Sims Kijoung Song Jonathan Stephens Suzanne Stevens Heather M Stringham Y C Loraine Tung Timo T Valle Cornelia M Van Duijn Karani S Vimaleswaran Peter Vollenweider Gerard Waeber Chris Wallace Richard M Watanabe Dawn M Waterworth Nicholas Watkins Jacqueline C M Witteman Eleftheria Zeggini Guangju Zhai M Carola Zillikens David Altshuler Mark J Caulfield Stephen J Chanock I Sadaf Farooqi Luigi Ferrucci Jack M Guralnik Andrew T Hattersley Frank B Hu Marjo-Riitta Jarvelin Markku Laakso Vincent Mooser Ken K Ong Willem H Ouwehand Veikko Salomaa Nilesh J Samani Timothy D Spector Tiinamaija Tuomi Jaakko Tuomilehto Manuela Uda André G Uitterlinden Nicholas J Wareham Panagiotis Deloukas Timothy M Frayling Leif C Groop Richard B Hayes David J Hunter Karen L Mohlke Leena Peltonen David Schlessinger David P Strachan H-Erich Wichmann Mark I McCarthy Michael Boehnke Inês Barroso Gonçalo R Abecasis Joel N Hirschhorn

Nat Genet 2009 Jan 14;41(1):25-34. Epub 2008 Dec 14.

Genetic Investigation of ANthropometric Traits Consortium.

Common variants at only two loci, FTO and MC4R, have been reproducibly associated with body mass index (BMI) in humans. To identify additional loci, we conducted meta-analysis of 15 genome-wide association studies for BMI (n > 32,000) and followed up top signals in 14 additional cohorts (n > 59,000). We strongly confirm FTO and MC4R and identify six additional loci (P < 5 x 10(-8)): TMEM18, KCTD15, GNPDA2, SH2B1, MTCH2 and NEGR1 (where a 45-kb deletion polymorphism is a candidate causal variant). Several of the likely causal genes are highly expressed or known to act in the central nervous system (CNS), emphasizing, as in rare monogenic forms of obesity, the role of the CNS in predisposition to obesity.

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http://dx.doi.org/10.1038/ng.287DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC2695662PMC
January 2009
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