Please use this identifier to cite or link to this item: https://hdl.handle.net/2440/117788
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dc.contributor.authorHan, X.-
dc.contributor.authorSouzeau, E.-
dc.contributor.authorOng, J.S.-
dc.contributor.authorAn, J.-
dc.contributor.authorSiggs, O.M.-
dc.contributor.authorBurdon, K.P.-
dc.contributor.authorBest, S.-
dc.contributor.authorGoldberg, I.-
dc.contributor.authorHealey, P.R.-
dc.contributor.authorGraham, S.L.-
dc.contributor.authorRuddle, J.B.-
dc.contributor.authorMills, R.A.-
dc.contributor.authorLanders, J.-
dc.contributor.authorGalanopoulos, A.-
dc.contributor.authorWhite, A.J.R.-
dc.contributor.authorCasson, R.-
dc.contributor.authorMackey, D.A.-
dc.contributor.authorHewitt, A.W.-
dc.contributor.authorGharahkhani, P.-
dc.contributor.authorCraig, J.E.-
dc.contributor.authoret al.-
dc.date.issued2019-
dc.identifier.citationJAMA Ophthalmology, 2019; 137(1):28-35-
dc.identifier.issn2168-6165-
dc.identifier.issn2168-6173-
dc.identifier.urihttp://hdl.handle.net/2440/117788-
dc.description.abstractImportance: The p.Gln368Ter (rs74315329) risk allele in the myocilin gene (MYOC) was initially reported to have high penetrance in glaucoma registry-based studies, but much lower estimates were recently obtained from population-based studies. We investigated this disparity using data from Australia and the United Kingdom. Objectives: To examine the penetrance and effect size of the MYOC p.Gln368Ter variant with glaucoma and ocular hypertension (OHT). Design, Setting, and Participants: This cross-sectional study within the UK Biobank (UKBB) included participants of white British ancestry. Glaucoma cases were defined by International Classification of Diseases, Ninth Revision (ICD-9) and Tenth Revision (ICD-10) diagnoses and self-reported questionnaires. Carriers of the MYOC p.Gln368Ter variant were identified using genotype imputation from arrays. In contrast, 2 Australian registry-based studies, the Australian and New Zealand Registry of Advanced Glaucoma and the Glaucoma Inheritance Study in Tasmania, ascertained glaucoma cases referred by eye care clinicians, with historic control participants recruited from other Australian studies. Samples were either directly sequenced or had genotypes determined by imputation (for the Australian registry and historic control participants). Recruitment to the UKBB occurred between 2006 and 2010, and data analysis occurred from September 2017 to July 2018. Main Outcomes and Measures: The penetrance and odds ratio (OR) were estimated for the MYOC p.Gln368Ter variants in participants with glaucoma and OHT. Results: A total of 411 337 UKBB participants of white British ancestry (mean [SD] age, 56.6 [8.0] years) were included, plus 3071 Australian registry and 6750 historic control participants. In the UKBB, the minor allele frequency of the MYOC p.Gln368Ter variant was 1 in 786 individuals (0.13%). The odds ratio of p.Gln368Ter in patients with primary open-angle glaucoma (POAG) was 6.76 (95% CI, 4.05-11.29); glaucoma (POAG, self-reported glaucoma, and unspecified glaucoma), 4.40 (95% CI, 3.38-5.71); OHT, 3.56 (95% CI, 2.53-4.92); and OHT and glaucoma combined, 4.18 (95% CI, 3.05-5.67). The penetrance of the MYOC p.Gln368Ter variant was 7.6% in patients with glaucoma, 24.3% in patients with OHT, and 30.8% in patients with OHT and glaucoma combined. In the Australian registry studies, the odds of MYOC p.Gln368Ter variant were 12.16 (95% CI, 6.34-24.97) in patients with advanced glaucoma and 3.97 (95% CI, 1.55-9.75) in those with nonadvanced glaucoma; the penetrance of glaucoma was 56.1%, and penetrance in those considered to have glaucoma or be glaucoma suspects was 69.5%. Conclusions and Relevance: The MYOC p.Gln368Ter variant confers a very high-risk effect size for advanced glaucoma; the risk is lower in nonadvanced glaucoma and OHT. In the general population sample, approximately 50% of MYOC p.Gln368Ter carriers 65 years and older had glaucoma or OHT, with higher prevalence in the Australian registry studies.-
dc.description.statementofresponsibilityXikun Han, Emmanuelle Souzeau, Jue-Sheng Ong, Jiyuan An, Owen M. Siggs, Kathryn P. Burdon, Stephen Best, Ivan Goldberg, Paul R. Healey, Stuart L. Graham, Jonathan B. Ruddle, Richard A. Mills, PhD, John Landers, Anna Galanopoulos, Andrew J.R. White, Robert Casson, David A. Mackey, Alex W. Hewitt, Puya Gharahkhani, Jamie E. Craig, Stuart MacGregor-
dc.language.isoen-
dc.publisherAmerican Medical Association-
dc.rights© 2018 American Medical Association. All rights reserved.-
dc.source.urihttp://dx.doi.org/10.1001/jamaophthalmol.2018.4477-
dc.subjectHumans-
dc.subjectOcular Hypertension-
dc.subjectGlaucoma, Open-Angle-
dc.subjectGlycoproteins-
dc.subjectCytoskeletal Proteins-
dc.subjectEye Proteins-
dc.subjectRegistries-
dc.subjectOdds Ratio-
dc.subjectCross-Sectional Studies-
dc.subjectIntraocular Pressure-
dc.subjectGene Frequency-
dc.subjectPenetrance-
dc.subjectMutation-
dc.subjectPolymorphism, Single Nucleotide-
dc.subjectAdult-
dc.subjectAged-
dc.subjectMiddle Aged-
dc.subjectAustralia-
dc.subjectNew Zealand-
dc.subjectFemale-
dc.subjectMale-
dc.subjectUnited Kingdom-
dc.subjectWhite People-
dc.titleMyocilin gene Gln368Ter variant penetrance and association with glaucoma in population-based and registry-based studies-
dc.typeJournal article-
dc.identifier.doi10.1001/jamaophthalmol.2018.4477-
dc.relation.granthttp://purl.org/au-research/grants/nhmrc/1107098-
dc.relation.granthttp://purl.org/au-research/grants/nhmrc/1116360-
dc.relation.granthttp://purl.org/au-research/grants/nhmrc/1116495-
dc.relation.granthttp://purl.org/au-research/grants/nhmrc/1023911-
pubs.publication-statusPublished-
dc.identifier.orcidCasson, R. [0000-0003-2822-4076]-
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