Genetic variation near IRS1 associates with reduced adiposity and an impaired metabolic profile

Tuomas O. Kilpeläinen, M. Carola Zillikens, Alena Stančákova, Francis M. Finucane, Janina S. Ried, Claudia Langenberg, Weihua Zhang, Jacques S. Beckmann, Jian'An Luan, Liesbeth Vandenput, Unnur Styrkarsdottir, Yanhua Zhou, Albert Vernon Smith, Jing Hua Zhao, Najaf Amin, Sailaja Vedantam, So Youn Shin, Talin Haritunians, Mao Fu, Mary F. FeitosaMeena Kumari, Bjarni V. Halldorsson, Emmi Tikkanen, Massimo Mangino, Caroline Hayward, Ci Song, Alice M. Arnold, Yurii S. Aulchenko, Ben A. Oostra, Harry Campbell, L. Adrienne Cupples, Kathryn E. Davis, Angela Döring, Gudny Eiriksdottir, Karol Estrada, José Manuel Fernández-Real, Melissa Garcia, Christian Gieger, Nicole L. Glazer, Candace Guiducci, Albert Hofman, Steve E. Humphries, Bo Isomaa, Leonie C. Jacobs, Antti Jula, David Karasik, Magnus K. Karlsson, Kay Tee Khaw, Lauren J. Kim, Mika Kivimäki, Norman Klopp, Brigitte Kühnel, Johanna Kuusisto, Yongmei Liu, Östen Ljunggren, Mattias Lorentzon, Robert N. Luben, Barbara McKnight, Dan Mellström, Braxton D. Mitchell, Vincent Mooser, José Maria Moreno, Satu Männistö, Jeffery R. O'Connell, Laura Pascoe, Leena Peltonen, Belén Peral, Markus Perola, Bruce M. Psaty, Veikko Salomaa, David B. Savage, Robert K. Semple, Tatjana Skaric-Juric, Gunnar Sigurdsson, Kijoung S. Song, Timothy D. Spector, Ann Christine Syvänen, Philippa J. Talmud, Gudmar Thorleifsson, Unnur Thorsteinsdottir, Andrá G. Uitterlinden, Cornelia M. Van Duijn, Antonio Vidal-Puig, Sarah H. Wild, Alan F. Wright, Deborah J. Clegg, Eric Schadt, James F. Wilson, Igor Rudan, Samuli Ripatti, Ingrid B. Borecki, Alan R. Shuldiner, Erik Ingelsson, John Olov Jansson, Robert C. Kaplan, Vilmundur Gudnason, Tamara B. Harris, Leif Groop, Douglas P. Kiel, Fernando Rivadeneira, Mark Walker, Inês Barroso, Peter Vollenweider, Gérard Waeber, John C. Chambers, Jaspal S. Kooner, Nicole Soranzo, Joel N. Hirschhorn, Kari Stefansson, H. Erich Wichmann, Claes Ohlsson, Stephen O'Rahilly, Nicholas J. Wareham, Elizabeth K. Speliotes, Caroline S. Fox, Markku Laakso, Ruth J.F. Loos

Research output: Contribution to journalArticle

199 Scopus citations

Abstract

Genome-wide association studies have identified 32 loci influencing body mass index, but this measure does not distinguish lean from fat mass. To identify adiposity loci, we meta-analyzed associations between ∼2.5 million SNPs and body fat percentage from 36,626 individuals and followed up the 14 most significant (P < 10-6) independent loci in 39,576 individuals. We confirmed a previously established adiposity locus in FTO (P = 3 × 10-26) and identified two new loci associated with body fat percentage, one near IRS1 (P = 4 × 10-11) and one near SPRY2 (P = 3 × 10-8). Both loci contain genes with potential links to adipocyte physiology. Notably, the body-fat-decreasing allele near IRS1 is associated with decreased IRS1 expression and with an impaired metabolic profile, including an increased visceral to subcutaneous fat ratio, insulin resistance, dyslipidemia, risk of diabetes and coronary artery disease and decreased adiponectin levels. Our findings provide new insights into adiposity and insulin resistance.

Original languageEnglish (US)
Pages (from-to)753-760
Number of pages8
JournalNature genetics
Volume43
Issue number8
DOIs
StatePublished - Aug 2011

ASJC Scopus subject areas

  • Genetics

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    Kilpeläinen, T. O., Zillikens, M. C., Stančákova, A., Finucane, F. M., Ried, J. S., Langenberg, C., Zhang, W., Beckmann, J. S., Luan, JA., Vandenput, L., Styrkarsdottir, U., Zhou, Y., Smith, A. V., Zhao, J. H., Amin, N., Vedantam, S., Shin, S. Y., Haritunians, T., Fu, M., ... Loos, R. J. F. (2011). Genetic variation near IRS1 associates with reduced adiposity and an impaired metabolic profile. Nature genetics, 43(8), 753-760. https://doi.org/10.1038/ng.866