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    ASIA unversity > 醫學暨健康學院 > 期刊論文 >  Item 310904400/6648


    Please use this identifier to cite or link to this item: http://asiair.asia.edu.tw/ir/handle/310904400/6648


    Title: Vascular Endothelial Growth Factor Gene Polymorphisms in Age-related Macular Degeneration
    Authors: Lin Jane-Ming;Lei Wan;Yi-Yu Tsai;Hui-Ju Lin;Yuhsin Tsai;Cheng-Chun Lee;Chang-Hai Tsai;SUNG-HUEI TSENG;Fuu-Jen Tsai
    Date: 2008-04
    Issue Date: 2009-12-23 14:21:15 (UTC+8)
    Publisher: Asia University
    Abstract: Purpose
    To investigate vascular endothelial growth factor (VEGF) gene polymorphisms in unrelated Taiwan Chinese patients with late age-related macular degeneration (AMD) and controls.
    Design
    Retrospective case-control study.
    Methods
    We enrolled 190 late AMD patients and 180 age-matched and gender-matched controls. Late AMD was classified as either dry (atrophic; grade 4) or wet (neovascular; grade 5) according to the International Age-Related Maculopathy Epidemiologic Study. Genomic deoxyribonucleic acid was prepared from peripheral blood obtained from all subjects. Polymerase chain reactions were used to analyze five candidate single-nucleotide polymorphisms (SNPs) in VEGF gene: +405C/G (rs2010963), ?460 T/C (rs833061), +674 C/T (rs1413711), +936C/T (rs3025039), and ?2578C/A (rs699947).
    Results
    Of the 190 late AMD patients, dry AMD was diagnosed in 104 and wet AMD in 86. Among the five candidate SNPs studied, only the +936 C/T was significantly associated with wet AMD (T allele: 30% in wet AMD vs 14% in controls; P = 1.45 × 10?5; odds ratio, 2.61; 95% confidence interval, 1.68 to 4.07). No single haplotype was significantly associated with either late AMD or controls. Based on genotypes at both VEGF +936 C/T and the complement factor H (CFH) Y402H (rs1061170), the association of VEGF +936 C/T to AMD was significant when analyzed conditional on the presence of the CFH C risk allele and vice versa (P < .0001). The VEGF +936 C/T was in strong linkage disequilibrium with CFH Y402H (D′ = 0.99).
    Conclusions
    Both VEGF +936 C/T and CFH Y402H polymorphisms are dependently associated with wet AMD in the Taiwan Chinese population.
    Relation: AMERICAN JOURNAL OF OPHTHALMOLOGY 145 (6): 1045-1051
    Appears in Collections:[醫學暨健康學院] 期刊論文

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