An Expanded Genome-Wide Association Study of Type 2 Diabetes in Europeans

Robert A Scott 1Laura J Scott 2Reedik Mägi 3Letizia Marullo 4Kyle J Gaulton 5 6Marika Kaakinen 7Natalia Pervjakova 3Tune H Pers 8 9 10 11Andrew D Johnson 12John D Eicher 12Anne U Jackson 2Teresa Ferreira 5Yeji Lee 2Clement Ma 2Valgerdur Steinthorsdottir 13Gudmar Thorleifsson 13Lu Qi 14 15 16Natalie R Van Zuydam 5 17Anubha Mahajan 5Han Chen 18 19Peter Almgren 20Ben F Voight 21 22 23Harald Grallert 24 25 26Martina Müller-Nurasyid 27 28 29 30Janina S Ried 27Nigel W Rayner 5 31 32Neil Robertson 5 31Lennart C Karssen 33 34Elisabeth M van Leeuwen 33Sara M Willems 1 33Christian Fuchsberger 2Phoenix Kwan 2Tanya M Teslovich 2Pritam Chanda 35Man Li 36Yingchang Lu 37 38Christian Dina 39Dorothee Thuillier 40 41Loic Yengo 40 41Longda Jiang 7Thomas Sparso 10Hans A Kestler 42 43Himanshu Chheda 44Lewin Eisele 45Stefan Gustafsson 46Mattias Frånberg 47 48 49Rona J Strawbridge 47Rafn Benediktsson 50 51Astradur B Hreidarsson 51Augustine Kong 13Gunnar Sigurðsson 51 52Nicola D Kerrison 1Jian'an Luan 1Liming Liang 14 53Thomas Meitinger 30 54 55Michael Roden 26 56 57Barbara Thorand 25 26Tõnu Esko 3 8 58Evelin Mihailov 3Caroline Fox 59 60Ching-Ti Liu 61Denis Rybin 62Bo Isomaa 63 64Valeriya Lyssenko 20Tiinamaija Tuomi 63 65David J Couper 66James S Pankow 67Niels Grarup 10Christian T Have 10Marit E Jørgensen 68Torben Jørgensen 69 70 71Allan Linneberg 69 72 73Marilyn C Cornelis 74Rob M van Dam 15 75David J Hunter 14 15 16 76Peter Kraft 14 53 76Qi Sun 15 16Sarah Edkins 32Katharine R Owen 31 77John R B Perry 1Andrew R Wood 78Eleftheria Zeggini 32Juan Tajes-Fernandes 5Goncalo R Abecasis 2Lori L Bonnycastle 79Peter S Chines 79Heather M Stringham 2Heikki A Koistinen 80 81 82Leena Kinnunen 80 81 82Bengt Sennblad 47 48Thomas W Mühleisen 83 84Markus M Nöthen 83 84Sonali Pechlivanis 45Damiano Baldassarre 85 86Karl Gertow 47Steve E Humphries 87Elena Tremoli 85 86Norman Klopp 24 88Julia Meyer 27Gerald Steinbach 89Roman Wennauer 90Johan G Eriksson 63 91 92 93Satu Mӓnnistö 91Leena Peltonen 32 44 91 94Emmi Tikkanen 44 95Guillaume Charpentier 96Elodie Eury 41Stéphane Lobbens 41Bruna Gigante 97Karin Leander 97Olga McLeod 47Erwin P Bottinger 37Omri Gottesman 37Douglas Ruderfer 98Matthias Blüher 99 100Peter Kovacs 99 100Anke Tonjes 99 100Nisa M Maruthur 36 101 102Chiara Scapoli 4Raimund Erbel 45Karl-Heinz Jöckel 45Susanne Moebus 45Ulf de Faire 97Anders Hamsten 47Michael Stumvoll 99 100Panagiotis Deloukas 32 103Peter J Donnelly 5 104Timothy M Frayling 78Andrew T Hattersley 105Samuli Ripatti 32 44 95 106Veikko Salomaa 80Nancy L Pedersen 107Bernhard O Boehm 108 109Richard N Bergman 110Francis S Collins 79Karen L Mohlke 111Jaakko Tuomilehto 91 112 113 114Torben Hansen 10 115Oluf Pedersen 10Inês Barroso 32 116Lars Lannfelt 117Erik Ingelsson 46 118Lars Lind 119Cecilia M Lindgren 5 94Stephane Cauchi 40Philippe Froguel 7 40 41Ruth J F Loos 37 38 120Beverley Balkau 121 122Heiner Boeing 123Paul W Franks 124 125Aurelio Barricarte Gurrea 126 127 128Domenico Palli 129Yvonne T van der Schouw 130David Altshuler 94 131 132 133 134 135Leif C Groop 20 44Claudia Langenberg 1Nicholas J Wareham 1Eric Sijbrands 90Cornelia M van Duijn 33 136Jose C Florez 8 132 137James B Meigs 8 132 138Eric Boerwinkle 139 140Christian Gieger 24 25Konstantin Strauch 27 29Andres Metspalu 3 141Andrew D Morris 142Colin N A Palmer 17 143Frank B Hu 14 15 16Unnur Thorsteinsdottir 13 50Kari Stefansson 13 50Josée Dupuis 59 61Andrew P Morris 3 5 144 145Michael Boehnke 146Mark I McCarthy 147 31 77Inga Prokopenko 148 7 31DIAbetes Genetics Replication And Meta-analysis (DIAGRAM) Consortium


 

Affiliations

01 November 2017

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doi: 10.2337/db16-1253


Abstract

To characterize type 2 diabetes (T2D)-associated variation across the allele frequency spectrum, we conducted a meta-analysis of genome-wide association data from 26,676 T2D case and 132,532 control subjects of European ancestry after imputation using the 1000 Genomes multiethnic reference panel. Promising association signals were followed up in additional data sets (of 14,545 or 7,397 T2D case and 38,994 or 71,604 control subjects). We identified 13 novel T2D-associated loci (P < 5 × 10-8), including variants near the GLP2R, GIP, and HLA-DQA1 genes. Our analysis brought the total number of independent T2D associations to 128 distinct signals at 113 loci. Despite substantially increased sample size and more complete coverage of low-frequency variation, all novel associations were driven by common single nucleotide variants. Credible sets of potentially causal variants were generally larger than those based on imputation with earlier reference panels, consistent with resolution of causal signals to common risk haplotypes. Stratification of T2D-associated loci based on T2D-related quantitative trait associations revealed tissue-specific enrichment of regulatory annotations in pancreatic islet enhancers for loci influencing insulin secretion and in adipocytes, monocytes, and hepatocytes for insulin action-associated loci. These findings highlight the predominant role played by common variants of modest effect and the diversity of biological mechanisms influencing T2D pathophysiology.


 


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