期刊
PLOS ONE
卷 2, 期 11, 页码 -出版社
PUBLIC LIBRARY SCIENCE
DOI: 10.1371/journal.pone.0001197
关键词
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资金
- National Institutes of Health (NIH) National Eye Institute [R01-EY12203]
- Foundation Fighting Blindness, Owing Mills, Md
- Macular Vision Research Foundation
- Macular Degeneration Center Research Fund, Casey Eye Institute, Portland, Oregon Health & Science University
- Research to Prevent Blindness, New York, NY
- PHS [5 M01 RR000334]
Background. Age-related macular degeneration (AMD), the leading cause of blindness in the Western world, is a complex disease that affects people over 50 years old. The complement factor H (CFH) gene has been repeatedly shown to be a major factor in determining susceptibility to the advanced form of the condition. We aimed to better understand the functional role of this gene in the AMD disease process and assess whether it is associated with earlier forms of the disease. Methodology/Principal Findings. We genotyped SNPs at the CFH gene locus in three independent populations with AMD: (a) extended families where at least 3 family members had AMD; (b) sporadic cases of advanced AMD and (c) cases from the Age-Related Eye Disease Study (AREDS). We investigated polymorphisms and haplotypes in and around the CFH gene to assess their role in AMD. CFH is associated with early/intermediate and advanced AMD in both familial and sporadic cases. In our populations, the CFH SNP, rs2274700, is most strongly associated with AMD and when incorporated into a haplotype with the Y402H SNP and rs1061147, the strongest association is observed (p < 10(-9)). Conclusions/Significance. Our results, reproduced in three populations that represent the spectrum of AMD cases, provide evidence that the CFH gene is associated with drusen as well as with advanced AMD. We also identified novel susceptibility and protective haplotypes in the AMD populations.
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