Published in:
01-11-2015 | Genetics
The rs3917779 polymorphism of P-selectin’s significant association with proliferative diabetic retinopathy in Yazd, Iran
Authors:
Parisa Kolahdouz, Ehsan Farashahi Yazd, Masoud Tajamolian, Masoud Reza Manaviat, Mohammad Hasan Sheikhha
Published in:
Graefe's Archive for Clinical and Experimental Ophthalmology
|
Issue 11/2015
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Abstract
Purpose
This study aims at investigating possible associations of P-selectin polymorphisms with proliferative diabetic retinopathy (PDR) in Yazd, Iran.
Methods
The subjects of the study included of 55 PDR and 55 diabetic no retinopathy (DNR) cases attending Yazd Diabetes Research Center (YDRC). P-selectin genotyping was done by an ARMS-PCR method.
Results
The P-selectin variants rs6128, rs6133, and rs3917779 were not in Hardy-Weinberg equilibrium. The frequency of the rs3917779 C allele (P < 0.0001), but not the rs6133 G allele (P = 0.19) or rs6128 allele (P = 0.20), was higher in PDR cases than in control DNR cases. Significant differences in the distribution of rs3917779 (P < 0.001), but not rs6128 (P = 0.52) or rs6133 (P = 0.18), genotypes were observed between cases and controls, and only rs3917779 showed a significant association with PDR, with increments of 49.2 (14.72–125.07) in disease risk seen for CC genotypes. Among the eight three-locus P-selectin haplotypes constructed (rs6128 / rs6133 / rs3917779), there was no significant difference between frequencies of haplotypes in the DNR and PDR groups.
Conclusions
P-selectin gene polymorphisms and haplotypes can contribute to PDR development.