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Genome-wide analysis of multi-ancestry cohorts identifies new loci influencing intraocular pressure and susceptibility to glaucoma

Publication year 2014
Published in Nature Genetics
Authors P.T.V.M. de Jong, Pirro G Hysi, Ching-Yu Cheng, Henriët Springelkamp, Stuart Macgregor, Jessica N Cooke Bailey, Robert Wojciechowski, Veronique Vitart, Abhishek Nag, Alex W Hewitt, René Höhn, Cristina Venturini, Alireza Mirshahi, Wishal D Ramdas, Gudmar Thorleifsson, Eranga Vithana, Chiea-Chuen Khor, Arni B Stefansson, Jiemin Liao, Jonathan L Haines, Najaf Amin, Ya Xing Wang, Philipp S Wild, Ayse B Ozel, Jun Z Li, Brian W Fleck, Tanja Zeller, Sandra E Staffieri, Yik-Ying Teo, Gabriel Cuellar-Partida, Xiaoyan Luo, R Rand Allingham, Julia E Richards, Andrea Senft, Lennart C Karssen, Yingfeng Zheng, Céline Bellenguez, Liang Xu, Adriana I Iglesias, James F Wilson, Jae H Kang, Elisabeth M van Leeuwen, Vesteinn Jonsson, Unnur Thorsteinsdottir, Dominiek D G Despriet, Sarah Ennis, Sayoko E Moroi, Nicholas G Martin, Nomdo M Jansonius, Seyhan Yazar,

Elevated intraocular pressure (IOP) is an important risk factor in developing glaucoma, and variability in IOP might herald glaucomatous development or progression. We report the results of a genome-wide association study meta-analysis of 18 population cohorts from the International Glaucoma Genetics Consortium (IGGC), comprising 35,296 multi-ancestry participants for IOP. We confirm genetic association of known loci for IOP and primary open-angle glaucoma (POAG) and identify four new IOP-associated loci located on chromosome 3q25.31 within the FNDC3B gene (P = 4.19 × 10(-8) for rs6445055), two on chromosome 9 (P = 2.80 × 10(-11) for rs2472493 near ABCA1 and P = 6.39 × 10(-11) for rs8176693 within ABO) and one on chromosome 11p11.2 (best P = 1.04 × 10(-11) for rs747782). Separate meta-analyses of 4 independent POAG cohorts, totaling 4,284 cases and 95,560 controls, showed that 3 of these loci for IOP were also associated with POAG.

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