Association of EDN1 and CFH gene polymorphisms with proliferative diabetic retinopathy in type 2 diabetes mellitus
Journal Title: Eye Science (Yanke Xuebao) - Year 2022, Vol 37, Issue 5
Abstract
[Objective:] To investigate the relationship between gene-polymorphisms and proliferative diabetic retinopathy in patients who have type 2 diabetes mellitus (T2DM). [Method] A total of 700 hospitalized T2DM patients were included in this study from January 2019 to September 2020. They were divided into two groups: the no-diabetic retinopathy (NDR) group (n=386) and the proliferative diabetic retinopathy (PDR) group (n=314). Basic clinical data were collected, and clinical indexes affecting diabetic retinopathy were analyzed. Two tag SNPs rs5370 in endothelin 1 (EDN1) and rs800292 in complement factor H (CFH) were examined using kompetitive allele-specific polymerase chain reaction (KASP) genotyping assays. Logistic regression was used to analyse the relationship between the polymorphisms of these two SNPs and PDR in a Guangxi Han population with T2DM. [Results:] Significant differences were found through the analysis of the systolic blood pressure—whether using insulin or not—and the glomerular filtration rate (GFR) between the two groups (Psystolic blood pressure=0.025, Pinsulin=0.001, PGFR=0.013) The TT genotype of rs5370 was determined to be associated with an increased risk of PDR (P=0.03, OR=2.973; adj.P=0.011, OR=2.718). The AA genotype of rs800292 was also determined to be associated with an increased risk of PDR (P=0.037, OR=1.949; adj. P=0.044, OR=2.058). [Conclusion:] Increased systolic blood pressure and decreased GFR may be associated with PDR in patients with T2DM. The rs5370 polymorphism of the EDN1 gene and the rs800292 polymorphism of the CFH gene are significantly associated with the risk of PDR in Guangxi's Han population.
Authors and Affiliations
Dongdong JIANG, He JIN, Liu ZHENG, Binbin YANG, Zhixiang DING
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