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Meta-Analysis
. 2014 Sep 22:5:4883.
doi: 10.1038/ncomms5883.

Meta-analysis of genome-wide association studies identifies novel loci that influence cupping and the glaucomatous process

Henriët Springelkamp  1 René Höhn  2 Aniket Mishra  3 Pirro G Hysi  4 Chiea-Chuen Khor  5 Stephanie J Loomis  6 Jessica N Cooke Bailey  7 Jane Gibson  8 Gudmar Thorleifsson  9 Sarah F Janssen  10 Xiaoyan Luo  11 Wishal D Ramdas  12 Eranga Vithana  13 Monisha E Nongpiur  14 Grant W Montgomery  15 Liang Xu  16 Jenny E Mountain  17 Puya Gharahkhani  3 Yi Lu  3 Najaf Amin  18 Lennart C Karssen  18 Kar-Seng Sim  19 Elisabeth M van Leeuwen  18 Adriana I Iglesias  18 Virginie J M Verhoeven  1 Michael A Hauser  20 Seng-Chee Loon  21 Dominiek D G Despriet  12 Abhishek Nag  4 Cristina Venturini  22 Paul G Sanfilippo  23 Arne Schillert  24 Jae H Kang  25 John Landers  26 Fridbert Jonasson  27 Angela J Cree  28 Leonieke M E van Koolwijk  18 Fernando Rivadeneira  29 Emmanuelle Souzeau  26 Vesteinn Jonsson  30 Geeta Menon  31 Blue Mountains Eye Study—GWAS groupRobert N Weinreb  32 Paulus T V M de Jong  33 Ben A Oostra  34 André G Uitterlinden  29 Albert Hofman  35 Sarah Ennis  36 Unnur Thorsteinsdottir  37 Kathryn P Burdon  26 NEIGHBORHOOD ConsortiumWellcome Trust Case Control Consortium 2 (WTCCC2)Timothy D Spector  4 Alireza Mirshahi  2 Seang-Mei Saw  38 Johannes R Vingerling  1 Yik-Ying Teo  39 Jonathan L Haines  7 Roger C W Wolfs  12 Hans G Lemij  40 E-Shyong Tai  41 Nomdo M Jansonius  42 Jost B Jonas  43 Ching-Yu Cheng  13 Tin Aung  14 Ananth C Viswanathan  44 Caroline C W Klaver  1 Jamie E Craig  26 Stuart Macgregor  3 David A Mackey  45 Andrew J Lotery  28 Kari Stefansson  37 Arthur A B Bergen  46 Terri L Young  11 Janey L Wiggs  6 Norbert Pfeiffer  2 Tien-Yin Wong  13 Louis R Pasquale  47 Alex W Hewitt  23 Cornelia M van Duijn  18 Christopher J Hammond  4
Collaborators, Affiliations
Meta-Analysis

Meta-analysis of genome-wide association studies identifies novel loci that influence cupping and the glaucomatous process

Henriët Springelkamp et al. Nat Commun. .

Abstract

Glaucoma is characterized by irreversible optic nerve degeneration and is the most frequent cause of irreversible blindness worldwide. Here, the International Glaucoma Genetics Consortium conducts a meta-analysis of genome-wide association studies of vertical cup-disc ratio (VCDR), an important disease-related optic nerve parameter. In 21,094 individuals of European ancestry and 6,784 individuals of Asian ancestry, we identify 10 new loci associated with variation in VCDR. In a separate risk-score analysis of five case-control studies, Caucasians in the highest quintile have a 2.5-fold increased risk of primary open-angle glaucoma as compared with those in the lowest quintile. This study has more than doubled the known loci associated with optic disc cupping and will allow greater understanding of mechanisms involved in this common blinding condition.

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Conflict of interest statement

G.T., U.T. and K.S. are employees of deCODE genetics/Amgen. The remaining authors declare no competing financial interests.

Figures

Figure 1
Figure 1. Manhattan plot of the GWAS meta-analysis for vertical cup-disc ratio in the combined analysis (n=27,878).
The plot shows −log10-transformed P values for all SNPs (z-statistic). The red-dotted horizontal line represents the genome-wide significance threshold of P<5.0 × 10−8; the blue-dotted line indicates P value of 1 × 10−5.

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