Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/9376
Title: Investigation of the association between all-trans-retinol dehydrogenase (RDH8) polymorphisms and high myopia in Chinese
Authors: Yu, YS
Wang, LL
Shen, Y
Yap, MKH 
Yip, SP 
Han, W
Keywords: All-trans-retinol dehydrogenase (RDH8)
Association study
Genotype relative risk
Linkage disequilibrium
Myopia
Single nucleotide polymorphisms
Issue Date: 2010
Publisher: Zhejiang University Press
Source: Journal of Zhejiang University. Science B, 2010, v. 11, no. 11, p. 836-841 How to cite?
Journal: Journal of Zhejiang University. Science B 
Abstract: Retinoic acid level in the retina/choroid is altered in induced myopia models. All-trans-retinol dehydrogenase (RDH8) is an important enzyme of retinoic acid metabolism. This study aimed to investigate the association of the RDH8 gene with high myopia. Three single nucleotide polymorphisms (SNPs) [RDH851 (rs2233789), RDH8E5a (rs1644731), and RDH855b (rs3760753)] were selected, based on the linkage disequilibrium pattern of RDH8 from a previous study, and genotyped for 160 Han Chinese nuclear families with highly myopic (-10 diopters or worse) offspring as well as in an independent group with 166 highly myopic cases (-10 diopters or worse) and 211 controls. Family-based association analysis was performed using the family-based association test (FBAT) package, and genotype relative risk (GRR) was calculated using the GenAssoc program. Population-based association analysis was performed using Chi-square test. These SNPs were in linkage equilibrium with each other. SNPs RDH851 (rs2233789) and RDH8E5a (rs1644731) both did not show association with high myopia. SNP RDH855b (rs3760753) demonstrated significant association (P=0.0269) with a GRR of 0.543 (95% confidence interval=0.304-0.968, P=0.038). The association became statistically insignificant, however, after multiple comparison correction. Haplotype analysis did not show a significant association either. Population-based association analysis also showed no significant association (P>0.05). Our family- and population-based data both suggest that the RDH8 gene is unlikely to be associated with high myopia in Chinese.
URI: http://hdl.handle.net/10397/9376
ISSN: 1673-1581
EISSN: 1862-1783
DOI: 10.1631/jzus.B1000001
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