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Saxena, Richa; Langenberg, Claudia; Tanaka, Toshiko; Vollenweider, Peter; Lyssenko, Valeriya; Bouatia-Naji, Nabila; Jackson, Anne U; Kao, W H Linda; Glazer, Nicole L; Manning, Alisa K; Luan, Jian'an; Stringham, Heather M; Prokopenko, Inga; Johnson, Toby; Grarup, Niels; Boesgaard, Trine W; Lecoeur, Cécile; Shrader, Peter; O'Connell, Jeffrey; Ingelsson, Erik; Couper, David J; Rice, Kenneth; Song, Kijoung; Andreasen, Camilla H; Köttgen, Anna; Le Bacquer, Olivier; Pattou, François; Taneera, Jalal; Steinthorsdottir, Valgerdur; Rybin, Denis; Ardlie, Kristin; Sampson, Michael; Qi, Lu; van Hoek, Mandy; Weedon, Michael N; Voight, Benjamin F; Grallert, Harald; Balkau, Beverley; Bergman, Richard N; Bielinski, Suzette J; Bonnefond, Amelie; Bonnycastle, Lori L; Borch-Johnsen, Knut; Böttcher, Yvonne; Brunner, Eric; Buchanan, Thomas A; Bumpstead, Suzannah J; Cavalcanti-Proença, Christine; Collins, Francis S; Cornelis, Marilyn; J Crawford, Gabriel; Delplanque, Jerome; Doney, Alex; Egan, Josephine M; Erdos, Michael R; Firmann, Mathieu; Forouhi, Nita G; Fox, Caroline S; Goodarzi, Mark O; Graessler, Jürgen; Hingorani, Aroon; Isomaa, Bo; Jørgensen, Torben; Kivimaki, Mika; Kovacs, Peter; Krohn, Knut; Kumari, Meena; Lauritzen, Torsten; Lévy-Marchal, Claire; Mayor, Vladimir; McAteer, Jarred B; Meyre, David; Mitchell, Braxton D; Mohlke, Karen L; Morken, Mario A; Narisu, Narisu; Palmer, Colin N A; Pakyz, Ruth; Pascoe, Laura; Payne, Felicity; Pearson, Daniel; Rathmann, Wolfgang; Sandbaek, Annelli; Sayer, Avan Aihie; Scott, Laura J; Sharp, Stephen J; Sijbrands, Eric; Singleton, Andrew; Siscovick, David S; Smith, Nicholas L; Sparsø, Thomas; Syddall, Holly; Thorleifsson, Gudmar; Tönjes, Anke; Tuomi, Tiinamaija; Tuomilehto, Jaakko; Valle, Timo T; Waeber, Gérard; Zeggini, Eleftheria; Zhao, Jing Hua
Nature genetics, 02/2010, Letnik: 42, Številka: 2Journal Article
Glucose levels 2 h after an oral glucose challenge are a clinical measure of glucose tolerance used in the diagnosis of type 2 diabetes. We report a meta-analysis of nine genome-wide association studies (n = 15,234 nondiabetic individuals) and a follow-up of 29 independent loci (n = 6,958-30,620). We identify variants at the GIPR locus associated with 2-h glucose level (rs10423928, β (s.e.m.) = 0.09 (0.01) mmol/l per A allele, P = 2.0 × 10−15). The GIPR A-allele carriers also showed decreased insulin secretion (n = 22,492; insulinogenic index, P = 1.0 × 10−17; ratio of insulin to glucose area under the curve, P = 1.3 × 10−16) and diminished incretin effect (n = 804; P = 4.3 × 10−4). We also identified variants at ADCY5 (rs2877716, P = 4.2 × 10−16), VPS13C (rs17271305, P = 4.1 × 10−8), GCKR (rs1260326, P = 7.1 × 10−11) and TCF7L2 (rs7903146, P = 4.2 × 10−10) associated with 2-h glucose. Of the three newly implicated loci (GIPR, ADCY5 and VPS13C), only ADCY5 was found to be associated with type 2 diabetes in collaborating studies (n = 35,869 cases, 89,798 controls, OR = 1.12, 95% CI 1.09-1.15, P = 4.8 × 10−18).
