Study of complement C2, C3, and Bf gene polymorhisms involved in the development of age related macular degeneration in the greek population
Abstract
Purpose. Τo elucidate whether polymorphisms of C2, C3 and CFB genes are major genetic determinants of age-related macular degeneration (AMD) in a Greek population. Methods. This was a case-control association study, comprising of 120 Greek patients with early and late-stage AMD and 140 independent controls of Caucasian origin. All participants were genotyped for rs2230199 (C3 R102G), rs547154 (C2 IVS10), rs641153 (CFB R32Q) and rs12614 (CFB R32W) polymorphisms by a combination of PCR, Restriction Fragment Length Polymorphism [RFLP] and direct DNA sequencing assays.ResultsThe frequency of the rs2230199 (C3 R102G, C>G) “G” allele (minor allele) was significantly higher in AMD patients in comparison with controls (0.34 vs. 0.22, P=0.0031) and similar to the frequency of other reported populations. There was a significant difference in the frequencies of the rs2230199 genotypes among cases and controls (p=0.0055). SNP rs2230199 (C3 R102G, C>G) was found to be a significant predictor of adv ...
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