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Haplotypes in Vitamin D Receptor Gene Encode Risk in Diabetic Nephropathy Publisher Pubmed



Razi F1 ; Meshkani MA2 ; Zarrabi F3 ; Sadr M4 ; Asgarbeik S5 ; Bandarian F6 ; Forouzanfar K7 ; Amoli MM8
Authors
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Authors Affiliations
  1. 1. Diabetes Research Center, Endocrinology and Metabolism Clinical Sciences Institute, Tehran University of Medical Sciences, Tehran, Iran
  2. 2. Department of Biology, School of Basic Science, Science and Research Branch, Islamic Azad University, Tehran, Iran
  3. 3. Thrombosis Hemostasis Research Center, Tehran University of Medical Sciences, Tehran, Iran
  4. 4. Molecular Immunology Research Center, Children's Medical Center, Tehran University of Medical Sciences, Tehran, Iran
  5. 5. Department of Cellular and Molecular Biology, Faculty of Biological Sciences, Kharazmi University, Tehran, Iran
  6. 6. Endocrinology and Metabolism Research Center, Endocrinology and Metabolism Clinical Sciences Institute, Tehran University of Medical Sciences, Tehran, Iran
  7. 7. Elderly Health Research Center, Endocrinology and Metabolism Population Sciences Institute, Tehran University of Medical Sciences, Tehran, Iran
  8. 8. Metabolic Disorders Research Center, Endocrinology and Metabolism Molecular-Cellular Sciences Institute, Tehran University of Medical Sciences, Tehran, Iran

Source: Gene Published:2019


Abstract

Background: Diabetic Nephropathy (DN) is one of the microvascular complications of diabetes and its early diagnosis can improve patient's quality of life. Genetic factors may increase the risk of DN development. This study aimed to evaluate the association of vitamin D receptor (VDR) gene polymorphisms and DN. Method: A total of 313 Iranian participants including 104 diabetic patients with nephropathy (DN), 100 diabetic patients without nephropathy (D) and 109 healthy people (HC) were studied. The frequencies of rs7975232, rs731236 and rs4516035 variants of VDR gene were determined and compared between three groups. Estimated haplotype frequencies between polymorphisms in the cases and controls were also calculated. Results: No significant differences were identified for allele /genotype frequencies in HC, D and DN groups. However haplotype analysis showed that haplotype encompassing CCC alleles for rs7975232, rs731236 and rs4516035 variants, respectively was more frequent in DN subjects compared to HC (p-value = 0.01) and also, haplotype comprising TCC alleles was more frequent in DN group compared to both HC and D groups (p-value = 0.004 and 0.007, respectively). Conclusion: Our study identified that CCC and TCC VDR haplotypes are risk factors for DN in patients with diabetes type 2. © 2018
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