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 ORIGINAL ARTICLE
Year : 2022  |  Volume : 32  |  Issue : 5  |  Page : 445-451

Association of VEGF -2549 I/D and VEGF +936 C/T polymorphisms with chronic kidney disease in North-West Indian patients


Human Cytogenetics Laboratory, Department of Human Genetics, Guru Nanak Dev University, Amritsar, Punjab, India

Correspondence Address:
Kamlesh Guleria
Department of Human Genetics, Guru Nanak Dev University, Amritsar - 143005, Punjab
India
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Source of Support: None, Conflict of Interest: None


DOI: 10.4103/ijn.ijn_420_21

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Introduction: Chronic kidney disease (CKD) is a complex multifactorial disease in which both genetic and environmental factors influence the onset, development and progression of disease. The genetic variations in the vascular endothelial growth factor (VEGF) can influence levels of VEGF protein expression, and thus, susceptibility to progression of kidney diseases. The aim of the present study was to evaluate the association of VEGF-2549 I/D and VEGF +936 C/T polymorphisms in CKD stage V patients from North-West India. Methods: In this case-control study, 166 patients and 166 controls were analyzed. DNA samples were screened for VEGF -2549I/D and VEGF +936 C/T polymorphisms using polymerase chain reaction–based (PCR) methods. Results: The genotype frequency of VEGF -2549 I/D was significantly different between patients and controls (P < 0.05). ID genotype of VEGF -2549 I/D polymorphism was significantly associated with decreased risk of CKD (P = 0.009). Genetic model analysis of VEGF -2549 I/D polymorphism revealed a significantly decreased risk of CKD in co-dominant (P = 0.009), dominant (P = 0.021), and over-dominant (P = 0.012) models. Genotype and allele frequency of VEGF +936 C/T polymorphism was not significantly different between the patient and control groups. Genotype combination analysis revealed that ID-CT genotype combination of VEGF -2549 I/D and VEGF +936 C/T polymorphisms was associated with decreased CKD risk (P = 0.047). Conclusion: VEGF -2549 ID genotype and ID-CT genotype combination of VEGF -2549 I/D and VEGF +936 C/T polymorphisms was significantly associated with reduced CKD risk in North-West Indians.






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Indian Journal of Nephrology
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Online since 20th Sept '07