Publication: Major single nucleotide polymorphisms in polypoidal choroidal vasculopathy: A comparative analysis between Thai and other Asian populations
Issued Date
2012-01-01
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ISSN
11775483
11775467
11775467
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2-s2.0-84930478727
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Mahidol University
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SCOPUS
Bibliographic Citation
Clinical Ophthalmology. Vol.6, No.1 (2012), 465-471
Suggested Citation
Patchima Chantaren, Paisan Ruamviboonsuk, Mathurose Ponglikitmongkol, Montip Tiensuwan, Somying Promso Major single nucleotide polymorphisms in polypoidal choroidal vasculopathy: A comparative analysis between Thai and other Asian populations. Clinical Ophthalmology. Vol.6, No.1 (2012), 465-471. doi:10.2147/OPTH.S30529 Retrieved from: https://repository.li.mahidol.ac.th/handle/20.500.14594/15080
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Title
Major single nucleotide polymorphisms in polypoidal choroidal vasculopathy: A comparative analysis between Thai and other Asian populations
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Abstract
Purpose: To investigate the association in a Thai population between the major age-related macular degeneration (AMD) susceptibility loci, Y402H and I62V in the complement factor H (CFH) and A69S in the age-related maculopathy susceptibility 2 (ARMS2) genes, and polypoidal choroidal vasculopathy (PCV). Methods: A case-control study included 97 PCV cases and 102 age- and gender-matched controls without any retinopathy. The genotypic profiles of the three polymorphisms were obtained using a real-time polymerase chain reaction assay. The allelic and genotypic association between the polymorphisms and PCV were compared with those from the compiled data of other Asian populations reported previously. Results: Strong associations between the Y402H, I62V, and A69S polymorphisms and PCV were observed in the present study (P = 0.002, 0.003, and 0.0008 respectively) and in the compiled data (P < 0.0001 for all three polymorphisms). The risk allele frequencies of the polymorphisms in PCVs and in controls from the present study (15.0% and 5.4% for Y402H, 71.7% and 57.4% for I62V, and 54.1% and 37.3% for A69S respectively) were also comparable with the frequencies from the compiled data (10.3% and 6.4% for Y402H, 75.2% and 58.3% for I62V, and 56.8% and 36.8% for A69S respectively). The genotype distribution for each polymorphism was also comparable in both datasets. Conclusion: The findings of this study support a significant genetic association between the major AMD susceptibility genes and PCV across Asian populations. This suggests that AMD and PCV, despite different phenotypic manifestation, may share common genetic risk factors. © 2012 Chantaren et al, publisher and licensee Dove Medical Press Ltd.