TLR4 Polymorphisms (896A>G and 1196C>T) Affect the Predisposition to Diabetic Nephropathy in Type 2 Diabetes Mellitus
Narges Khaghanzadeh,1 Nadereh Naderi,1 Nazanin Pournasrollah,1 Elahe Farahbakhsh,1 Masoumeh Kheirandish,2 Afshin Samiei1,3 1Molecular Medicine Research Center, Hormozgan Health Institute, Hormozgan University of Medical Sciences, Bandar Abbas, Iran; 2Endocrinology and Metabolism Research Center, Hor...
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| Formato: | article |
| Lenguaje: | EN |
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Dove Medical Press
2020
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| Acceso en línea: | https://doaj.org/article/1c19fe43bd2d4ff78e8eab189f542289 |
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| Sumario: | Narges Khaghanzadeh,1 Nadereh Naderi,1 Nazanin Pournasrollah,1 Elahe Farahbakhsh,1 Masoumeh Kheirandish,2 Afshin Samiei1,3 1Molecular Medicine Research Center, Hormozgan Health Institute, Hormozgan University of Medical Sciences, Bandar Abbas, Iran; 2Endocrinology and Metabolism Research Center, Hormozgan University of Medical Sciences, Bandar Abbas, Iran; 3Department of Immunology, Faculty of Medicine, Hormozgan University of Medical Sciences, Bandar Abbas, IranCorrespondence: Afshin SamieiDepartment of Immunology, Faculty of Medicine, Hormozgan University of Medical Sciences, Bandar Abbas 7919693116, IranTel +98 76 337103070Fax +98 76 33710371Email afshin.samiei@gmail.comPurpose: Type 2 diabetes mellitus (T2DM) is a disease with a steadily increasing incidence throughout the world. Some molecules regulating the innate immune responses such as toll-like receptor 4 (TLR4) have shown to be involved in late diabetic complications. This study aimed to investigate the association of TLR4 gene polymorphisms with clinicopathological aspects of T2DM in the Iranian population.Patients and Methods: Two TLR4 896A>G and 1196C>T polymorphisms were assessed in 100 T2DM patients and 100 healthy controls using sequence-specific primers PCR. Demographic, anthropometric, and biochemical parameters were obtained from the participants.Results: After logistic regression, in 1196C>T, a significant association was shown between diabetic nephropathy (DN) and CT genotype (P= 0.04, OR= 4.35, CI= (1.04– 18.1)). TG level has increased significantly in both T2DM and control subjects with CT genotype (P= 0.027, OR= 1.005, 95% CI= (1.001– 1.01)). For 896A>G variant, a significant association was also detected between AG genotype and increased oral glucose tolerance test (OGTT) level (P= 0.048, OR= 1.003, 95% CI= (1.00– 1.005)).Conclusion: Although minor alleles of 1196C>T and 896A>G variants have not directly been associated with type 2 diabetes, by involving in the dysregulation of serum TG and blood sugar levels, they might increase the risk of DN.Keywords: type 2 diabetes mellitus, T2DM, diabetic nephropathy, DN, triglyceride, TG, oral glucose tolerance test, OGTT, 896A>G, 1196C>T |
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