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KMID : 0381120130350030335
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Genes and Genomics
2013 Volume.35 No. 3 p.335 ~ p.342
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Genetic association of VEGF and PEDF polymorphisms with age-related macular degeneration in Korean
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Kim Hyun-Seok
Kim Yeong-Hoon
Mok Jee-Won
Joo Choun-Ki
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Abstract
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Age-related macular degeneration (AMD) causes progressive impairment of central vision and is the leading cause of vision loss in older individuals. Although the etiology of AMD has not been clearly elucidated, genetic and environmental factors have been implicated. Vascular endothelial growth factor (VEGF) and pigment epithelium-derived factor (PEDF), a major regulator of vascular permeability and angiogenesis, have been suggested to play an important role in the pathogenesis of AMD. This study was performed to determine whether VEGF and PEDF variations are associated with AMD in the Korean population. Four SNPs of both the VEGF gene the PEDF gene were used to screen for genetic variation. This analysis was performed using polymerase chain reaction?restriction fragment length polymorphism, direct sequencing and an allele-specific oligonucleotide analysis. The study investigated four SNPs in VEGF and PEDF in Korean patients with AMD. The frequency of the TT genotype of rs1413711 and the recessive VEGF allele significantly differed between the patient and control groups. The TT genotype of rs1136287 (M72T) in PEDF significantly differed between the patient and control groups. Six haplotypes in the VEGF gene and two haplotypes in the PEDF gene were significantly associated with AMD. In this study, rs1413711 of VEGF, rs1136287 of PEDF and haplotypes were identified as candidate variants associated with AMD in Korean patients.
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KEYWORD
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Vascular endothelial growth factor (VEGF), Pigment epithelium-derived factor (PEDF), Age-related macular degeneration (AMD), Korean, Polymorphism
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