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Isao Nakata, Kenji Yamashiro, Yumiko Akagi-Kurashige, Masahiro Miyake, Kyoko Kumagai, Akitaka Tsujikawa, Ke Liu, Li Jia Chen, David T. L. Liu, Timothy Y. Y. Lai, Yoichi Sakurada, Seigo Yoneyama, Ching-Yu Cheng, Peter Cackett, Ian Y. Yeo, Wan Ting Tay, Belinda K. Cornes, Eranga N. Vithana, Tin Aung, Keitaro Matsuo, Fumihiko Matsuda, Tien-Yin Wong, Hiroyuki Iijima, Chi Pui Pang, Nagahisa Yoshimura; Association of Genetic Variants on 8p21 and 4q12 with Age-Related Macular Degeneration in Asian Populations. Invest. Ophthalmol. Vis. Sci. 2012;53(10):6576-6581. doi: 10.1167/iovs.12-10219.
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© ARVO (1962-2015); The Authors (2016-present)
To evaluate the association of genetic variants at chromosomes 8p21 and 4q12 with the risk of developing AMD and its two main subtypes, choroidal neovascular membrane (CNV) and polypoidal choroidal vasculopathy (PCV), in Asian populations.
The study population comprised 2360 patients with neovascular AMD (1013 typical AMD-CNV and 1282 PCV), and 3598 controls from four independent cohorts, two of Japanese (n = 4859) and two of Chinese (n = 1099) ethnicity. We performed a meta-analysis in case-control studies of two reported single nucleotide polymorphisms (SNPs) (rs13278062 at TNFRSF10A-LOC389641 on 8p21 and rs1713985 at REST-C4orf14-POLR2B-IGFBP7 on 4q12) by using logistic regression analysis adjusted for age and sex. Subgroup analysis by CNV and PCV subtypes were performed to evaluate the significance of these two variants.
The reported association between rs13278062 at 8p21 and neovascular AMD was replicated in this population (P = 1.12 × 10−4, odds ratio [OR] = 0.79, 95% confidence interval [CI] = 0.70–0.89). However, there was no association of rs1713985 at 4q12 with neovascular AMD, or its two subtypes, typical AMD-CNV and PCV (all P > 0.05). The study sample size had a statistical power of greater than 99% to detect an association of a risk allele with AMD with an OR of 1.30, as reported in the original study of rs1713985 and AMD.
The present results did not replicate the reported association between rs1713985 at 4q12 and neovascular AMD. However, we confirmed the association between rs13278062 at 8p21 and neovascular AMD in Asian populations.
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