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Department of Medical Genetics, Shahid Beheshti University of Medical Sciences, Tehran, Iran & Urogenital Stem Cell Research Center, Shahid Beheshti University of Medical Sciences, Tehran, Iran
Abstract:   (98 Views)
Background: Autosomal dominant polycystic kidney disease (ADPKD), a multisystem disorder, is the most prevalent type of hereditary kidney disease. Here, we aimed to evaluate methylation of the PKD1 gene (PKD1) promoter and its correlation with PKD1 expression in peripheral blood.

Methods: In this case-control study methylation of the PKD1 promoter was evaluated using methylation-sensitive high-resolution melt (MS-HRM) analysis. PKD1 expression was assessed by quantitative real-time PCR. The correlation was evaluated using the Pearson correlation test.

Results: Twenty subjects from both the patient and control groups (n= 40 for each) were methylated at the PKD1 promoter to various levels (18.9% in patients and 62.5% in controls). This difference was statistically significant (p< 0.0001). PKD1 expression in blood samples was significantly greater in ADPKD patients than in controls (p= 0.0081). Significant correlation was seen between PKD1 expression and its promoter methylation status in peripheral blood (r case= -0.5300, p= 0.0162, and r control = -0.6265, p= 0.0031).

Conclusions: Methylation of the PKD1 promoter in ADPKD patients was inversely correlated with PKD1 expression.
Full-Text [PDF 202 kb]   (43 Downloads)    
Type of Article: Original Article | Subject: Molecular Biology
Received: 2020/05/22 | Accepted: 2020/06/23

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