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https://doi.org/10.2337/db06-0021
Title: | An IGF-I gene polymorphism modifies the risk of diabetic retinopathy | Authors: | Rietveld, I Ikram, M.K Vingerling, J.R Hofman, A Pols, H.A.P Lamberts, S.W.J De Jong, P.T.V.M Van Duijn, C.M Janssen, J.A.M.J.L |
Keywords: | somatomedin somatomedin C somatomedin C allele article blood vessel diameter controlled study diabetic retinopathy follow up genetic polymorphism genotype heterozygote detection human impaired glucose tolerance incidence major clinical study non insulin dependent diabetes mellitus priority journal retina blood vessel risk factor aged arteriole blood pressure diabetic retinopathy female genetic polymorphism genetic predisposition genetics glucose intolerance male middle aged pathology pathophysiology promoter region prospective study risk venule Aged Arterioles Blood Pressure Diabetes Mellitus, Type 2 Diabetic Retinopathy Female Genetic Predisposition to Disease Genotype Glucose Intolerance Humans Insulin-Like Growth Factor I Male Middle Aged Odds Ratio Polymorphism, Genetic Promoter Regions (Genetics) Prospective Studies Retinal Vessels Risk Factors Venules |
Issue Date: | 2006 | Citation: | Rietveld, I, Ikram, M.K, Vingerling, J.R, Hofman, A, Pols, H.A.P, Lamberts, S.W.J, De Jong, P.T.V.M, Van Duijn, C.M, Janssen, J.A.M.J.L (2006). An IGF-I gene polymorphism modifies the risk of diabetic retinopathy. Diabetes 55 (8) : 2387-2391. ScholarBank@NUS Repository. https://doi.org/10.2337/db06-0021 | Rights: | Attribution 4.0 International | Abstract: | The role of IGF-I in the pathogenesis of diabetic retinopathy is unclear. We studied, prospectively, the relationship between an IGF-I gene polymorphism, retinal vessel diameters, and incident diabetic retinopathy in subjects with impaired glucose tolerance (IGT) or type 2 diabetes. In all 5,505 participants of the population-based Rotterdam Study (775 with IGT, 394 with type 2 diabetes, and 4,336 control subjects), fundus color transparencies were taken at baseline (between 1990 and 1993) and at follow-up (from 1997 to 1999). The wild-type genotype (i.e., carriers of the 192- or 194-bp alleles) was present in 72.7% of the participants, while 27.3% were variant carriers. Variant carriers with IGT or type 2 diabetes appeared to have larger retinal arteriolar and venular diameters at baseline than individuals with the wild-type genotype, but these differences did not reach statistical significance. This trend was especially observed in subjects who developed retinopathy at follow-up. In variant carriers with IGT/diabetes, an increase (odds ratio 1.8 [95% CI 1.0-3.2]; P = 0.04) in the risk of retinopathy was observed compared with participants with the wild-type genotype. In conclusion, our findings suggest that this IGF-I gene polymorphism is associated with an increased risk of diabetic retinopathy. © 2006 by the American Diabetes Association. | Source Title: | Diabetes | URI: | https://scholarbank.nus.edu.sg/handle/10635/181055 | ISSN: | 0012-1797 | DOI: | 10.2337/db06-0021 | Rights: | Attribution 4.0 International |
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