Genome-wide association analysis of 95 549 individuals identifies novel loci and genes influencing optic disc morphology

Xikun Han, Ayub Qassim, Jiyuan An, Henry Marshall, Tiger Zhou, Jue Sheng Ong, Mark M. Hassall, Pirro G. Hysi, Paul J. Foster, Peng T. Khaw, David A. Mackey, Puya Gharahkhani, Anthony P. Khawaja, Alex W. Hewitt, Jamie E. Craig, Stuart MacGregor

Research output: Contribution to journalArticle

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Abstract

Optic nerve head morphology is affected by several retinal diseases. We measured the vertical optic disc diameter (DD) of the UK Biobank (UKBB) cohort (N = 67 040) and performed the largest genome-wide association study (GWAS) of DD to date. We identified 81 loci (66 novel) for vertical DD. We then replicated the novel loci in International Glaucoma Genetic Consortium (IGGC, N = 22 504) and European Prospective Investigation into Cancer-Norfolk (N = 6005); in general the concordance in effect sizes was very high (correlation in effect size estimates 0.90): 44 of the 66 novel loci were significant at P < 0.05, with 19 remaining significant after Bonferroni correction. We identified another 26 novel loci in the meta-analysis of UKBB and IGGC data. Gene-based analyses identified an additional 57 genes. Human ocular tissue gene expression analysis showed that most of the identified genes are enriched in optic nerve head tissue. Some of the identified loci exhibited pleiotropic effects with vertical cup-to-disc ratio, intraocular pressure, glaucoma and myopia. These results can enhance our understanding of the genetics of optic disc morphology and shed light on the genetic findings for other ophthalmic disorders such as glaucoma and other optic nerve diseases.

Original languageEnglish
Pages (from-to)3680-3690
Number of pages11
JournalHuman Molecular Genetics
Volume28
Issue number21
DOIs
Publication statusPublished - 1 Nov 2019

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Genome-Wide Association Study
Optic Disk
Glaucoma
Genes
Nerve Tissue
Retinal Diseases
Optic Nerve Diseases
Myopia
Intraocular Pressure
Meta-Analysis
Gene Expression
Neoplasms

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Han, Xikun ; Qassim, Ayub ; An, Jiyuan ; Marshall, Henry ; Zhou, Tiger ; Ong, Jue Sheng ; Hassall, Mark M. ; Hysi, Pirro G. ; Foster, Paul J. ; Khaw, Peng T. ; Mackey, David A. ; Gharahkhani, Puya ; Khawaja, Anthony P. ; Hewitt, Alex W. ; Craig, Jamie E. ; MacGregor, Stuart. / Genome-wide association analysis of 95 549 individuals identifies novel loci and genes influencing optic disc morphology. In: Human Molecular Genetics. 2019 ; Vol. 28, No. 21. pp. 3680-3690.
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abstract = "Optic nerve head morphology is affected by several retinal diseases. We measured the vertical optic disc diameter (DD) of the UK Biobank (UKBB) cohort (N = 67 040) and performed the largest genome-wide association study (GWAS) of DD to date. We identified 81 loci (66 novel) for vertical DD. We then replicated the novel loci in International Glaucoma Genetic Consortium (IGGC, N = 22 504) and European Prospective Investigation into Cancer-Norfolk (N = 6005); in general the concordance in effect sizes was very high (correlation in effect size estimates 0.90): 44 of the 66 novel loci were significant at P < 0.05, with 19 remaining significant after Bonferroni correction. We identified another 26 novel loci in the meta-analysis of UKBB and IGGC data. Gene-based analyses identified an additional 57 genes. Human ocular tissue gene expression analysis showed that most of the identified genes are enriched in optic nerve head tissue. Some of the identified loci exhibited pleiotropic effects with vertical cup-to-disc ratio, intraocular pressure, glaucoma and myopia. These results can enhance our understanding of the genetics of optic disc morphology and shed light on the genetic findings for other ophthalmic disorders such as glaucoma and other optic nerve diseases.",
author = "Xikun Han and Ayub Qassim and Jiyuan An and Henry Marshall and Tiger Zhou and Ong, {Jue Sheng} and Hassall, {Mark M.} and Hysi, {Pirro G.} and Foster, {Paul J.} and Khaw, {Peng T.} and Mackey, {David A.} and Puya Gharahkhani and Khawaja, {Anthony P.} and Hewitt, {Alex W.} and Craig, {Jamie E.} and Stuart MacGregor",
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Han, X, Qassim, A, An, J, Marshall, H, Zhou, T, Ong, JS, Hassall, MM, Hysi, PG, Foster, PJ, Khaw, PT, Mackey, DA, Gharahkhani, P, Khawaja, AP, Hewitt, AW, Craig, JE & MacGregor, S 2019, 'Genome-wide association analysis of 95 549 individuals identifies novel loci and genes influencing optic disc morphology' Human Molecular Genetics, vol. 28, no. 21, pp. 3680-3690. https://doi.org/10.1093/hmg/ddz193

Genome-wide association analysis of 95 549 individuals identifies novel loci and genes influencing optic disc morphology. / Han, Xikun; Qassim, Ayub; An, Jiyuan; Marshall, Henry; Zhou, Tiger; Ong, Jue Sheng; Hassall, Mark M.; Hysi, Pirro G.; Foster, Paul J.; Khaw, Peng T.; Mackey, David A.; Gharahkhani, Puya; Khawaja, Anthony P.; Hewitt, Alex W.; Craig, Jamie E.; MacGregor, Stuart.

In: Human Molecular Genetics, Vol. 28, No. 21, 01.11.2019, p. 3680-3690.

Research output: Contribution to journalArticle

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T1 - Genome-wide association analysis of 95 549 individuals identifies novel loci and genes influencing optic disc morphology

AU - Han, Xikun

AU - Qassim, Ayub

AU - An, Jiyuan

AU - Marshall, Henry

AU - Zhou, Tiger

AU - Ong, Jue Sheng

AU - Hassall, Mark M.

AU - Hysi, Pirro G.

AU - Foster, Paul J.

AU - Khaw, Peng T.

AU - Mackey, David A.

AU - Gharahkhani, Puya

AU - Khawaja, Anthony P.

AU - Hewitt, Alex W.

AU - Craig, Jamie E.

AU - MacGregor, Stuart

PY - 2019/11/1

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