Twelve type 2 diabetes susceptibility loci identified through large-scale association analysis

Benjamin F Voight, Laura J Scott, Valgerdur Steinthorsdottir, Andrew P Morris, Christian Dina, Ryan P Welch, Eleftheria Zeggini, Cornelia Huth, Yurii S Aulchenko, Gudmar Thorleifsson, Laura J McCulloch, Teresa Ferreira, Harald Grallert, Najaf Amin, Guanming Wu, Cristen J Willer, Soumya Raychaudhuri, Steve A McCarroll, Claudia Langenberg, Oliver M HofmannJosée Dupuis, Lu Qi, Ayellet V Segrè, Mandy van Hoek, Pau Navarro, Kristin Ardlie, Beverley Balkau, Rafn Benediktsson, Amanda J Bennett, Roza Blagieva, Eric Boerwinkle, Lori L Bonnycastle, Kristina Bengtsson Boström, Bert Bravenboer, Suzannah Bumpstead, Noisël P Burtt, Guillaume Charpentier, Peter S Chines, Marilyn Cornelis, David J Couper, Gabe Crawford, Alex S F Doney, Katherine S Elliott, Amanda L Elliott, Michael R Erdos, Niels Grarup, Torben Jørgensen, Thomas Sparsø, Torben Hansen, Oluf Pedersen, MAGIC investigators

1332 Citations (Scopus)

Abstract

By combining genome-wide association data from 8,130 individuals with type 2 diabetes (T2D) and 38,987 controls of European descent and following up previously unidentified meta-analysis signals in a further 34,412 cases and 59,925 controls, we identified 12 new T2D association signals with combined P 5 × 10 8. These include a second independent signal at the KCNQ1 locus; the first report, to our knowledge, of an X-chromosomal association (near DUSP9); and a further instance of overlap between loci implicated in monogenic and multifactorial forms of diabetes (at HNF1A). The identified loci affect both beta-cell function and insulin action, and, overall, T2D association signals show evidence of enrichment for genes involved in cell cycle regulation. We also show that a high proportion of T2D susceptibility loci harbor independent association signals influencing apparently unrelated complex traits.

Original languageEnglish
JournalNature Genetics
Volume42
Issue number7
Pages (from-to)579-89
Number of pages11
ISSN1061-4036
DOIs
Publication statusPublished - 1 Jul 2010

Keywords

  • Blood Glucose
  • Diabetes Mellitus, Type 2
  • Dual-Specificity Phosphatases
  • Fasting
  • Gene Dosage
  • Gene Expression Profiling
  • Genetic Heterogeneity
  • Genetic Predisposition to Disease
  • Genome, Human
  • Genome-Wide Association Study
  • Hepatocyte Nuclear Factor 1-alpha
  • Humans
  • KCNQ1 Potassium Channel
  • Meta-Analysis as Topic
  • Mitogen-Activated Protein Kinase Phosphatases
  • Polymorphism, Single Nucleotide

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