Please use this identifier to cite or link to this item: https://doi.org/10.1016/j.ophtha.2010.06.016
Title: Genome-wide association studies reveal genetic variants in CTNND2 for high myopia in Singapore Chinese
Authors: Li, Y.-J.
Goh, L. 
Khor, C.-C.
Fan, Q.
Yu, M.
Han, S.
Sim, X. 
Ong, R.T.-H.
Wong, T.-Y.
Vithana, E.N.
Yap, E.
Nakanishi, H.
Matsuda, F.
Ohno-Matsui, K.
Yoshimura, N.
Seielstad, M.
Tai, E.-S.
Young, T.L. 
Saw, S.-M. 
Issue Date: Feb-2011
Citation: Li, Y.-J., Goh, L., Khor, C.-C., Fan, Q., Yu, M., Han, S., Sim, X., Ong, R.T.-H., Wong, T.-Y., Vithana, E.N., Yap, E., Nakanishi, H., Matsuda, F., Ohno-Matsui, K., Yoshimura, N., Seielstad, M., Tai, E.-S., Young, T.L., Saw, S.-M. (2011-02). Genome-wide association studies reveal genetic variants in CTNND2 for high myopia in Singapore Chinese. Ophthalmology 118 (2) : 368-375. ScholarBank@NUS Repository. https://doi.org/10.1016/j.ophtha.2010.06.016
Abstract: Objective To determine susceptibility genes for high myopia in Singaporean Chinese. Design A meta-analysis of 2 genome-wide association (GWA) datasets in Chinese and a follow-up replication cohort in Japanese. Participants and Controls Two independent datasets of Singaporean Chinese individuals aged 10 to 12 years (Singapore Cohort Study of the Risk factors for Myopia [SCORM]: cases = 65, controls = 238) and more than 21 years (Singapore Prospective Study Program [SP2]: cases = 222, controls = 435) for GWA studies, and a Japanese dataset aged more than 20 years (cases = 959, controls = 2128) for replication. Methods Genomic DNA samples from SCORM and SP2 were genotyped using various Illumina Beadarray platforms (>HumanHap 500). Single-locus association tests were conducted for each dataset with meta-analysis using pooled z-scores. The top-ranked genetic markers were examined for replication in the Japanese dataset. Fisher P was calculated for the combined analysis of all 3 cohorts. Main Outcome Measures High myopia, defined by spherical equivalent (SE)≤-6.00 diopters (D); controls defined by SE between -0.50 and +1.00 D. Results Two SNPs (rs12716080 and rs6885224) in the gene CTNND2 on chromosome 5p15 ranked top in the meta-analysis of our Chinese datasets (meta P = 1.14×10 -5 and meta P = 1.51×10-5, respectively) with strong supporting evidence in each individual dataset analysis (max P = 1.85×10-4 in SCORM: max P = 8.8×10-3 in SP2). Evidence of replication was observed in the Japanese dataset for rs6885224 (P = 0.035, meta P of 3 datasets: 7.84×10-6). Conclusions This study identified a strong association of CTNND2 for high myopia in Asian datasets. The CTNND2 gene maps to a known high myopia linkage region on chromosome 5p15. Financial Disclosure(s) Proprietary or commercial disclosure may be found after the references. © 2011 American Academy of Ophthalmology.
Source Title: Ophthalmology
URI: http://scholarbank.nus.edu.sg/handle/10635/108389
ISSN: 01616420
DOI: 10.1016/j.ophtha.2010.06.016
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