Common variants near ABCA1, AFAP1 and GMDS confer risk of primary open-angle glaucoma

P. Gharahkhani, K.P. Burdon, R.D. Fogarty, S. Sharma, A.W. Hewitt, S. Martin, M.H. Law, K. Cremin, J.N.C. Bailey, S.J. Loomis, L.R. Pasquale, J.L. Haines, M.A. Hauser, A.C. Viswanathan, P.W. Mcguffin, F. Topouzis, P.J.F. Foster, S.L.D. Graham, R.J. Casson, M.J. ChehadeA.J.R. White, T. Zhou, E. Souzeau, J. Landers, J.T. Fitzgerald, S. Klebe, J.B. Ruddle, I. Goldberg, P.R. Healey, R.A.D. Mills, J. Wang, G.W. Montgomery, N.G. Martin, G.L. Radford-Smith, D.C. Whiteman, M.A. Brown, J.L. Wiggs, David Mackey, P. Mitchell, S. Macgregor, J.E. Craig

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113 Citations (Scopus)


Primary open-angle glaucoma (POAG) is a major cause of irreversible blindness worldwide. We performed a genome-wide association study in an Australian discovery cohort comprising 1,155 cases with advanced POAG and 1,992 controls. We investigated the association of the top SNPs from the discovery stage in two Australian replication cohorts (932 cases and 6,862 controls total) and two US replication cohorts (2,616 cases and 2,634 controls total). Meta-analysis of all cohorts identified three loci newly associated with development of POAG. These loci are located upstream of ABCA1 (rs2472493[G], odds ratio (OR) = 1.31, P = 2.1 × 10 -19), within AFAP1 (rs4619890[G], OR = 1.20, P = 7.0 × 10 -10) and within GMDS (rs11969985[G], OR = 1.31, P = 7.7 × 10 -10). Using RT-PCR and immunolabeling, we show that these genes are expressed within human retina, optic nerve and trabecular meshwork and that ABCA1 and AFAP1 are also expressed in retinal ganglion cells. © 2014 Nature America, Inc. All rights reserved.
Original languageEnglish
Pages (from-to)1120-1125
Number of pages6
JournalNature Genetics
Issue number10
Early online date31 Aug 2014
Publication statusPublished - Oct 2014


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