Kocyigit, Ismail, Taheri, Serpil, Eroglu, Eray, Sener, Elif Funda, Zararsiz, Gokmen, Uzun, Ilknur, Tufan, Esra, Mehmetbeyoglu, Ecmel ![]() |
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Abstract
Background and Objectives: Cyst pressure induces renin-angiotensin-aldosterone system activation and kidney hypoxia in autosomal dominant polycystic kidney disease (ADPKD). Lipopolysaccharide-induced Toll-like receptor activation causes metabolic disturbances that are triggered by increased succinate levels and hypoxia inducible factors, which results in inflammation via IL-1β activation. Since we aimed to investigate the role of both inflammation and hypoxia in the clinical course of ADPKD, via succinate levels from sera samples, HIF-1α gene expression from whole blood and urine samples and IL-1βgene expression from whole blood were measured. Methods: One hundred ADPKD patients and 100 matched healthy controls were enrolled to this cross-sectional study. Twenty-four-hour ambulatory blood pressure monitoring was conducted in all participants. Blood, serum, and urine samples were taken after 12-h fasting for the measurement of biochemical parameters and succinate levels. Whole blood and urine samples were used for HIF-1α and IL-1β geneexpression by using quantitative real-time PCR. Results: There were significant differences in whole blood HIF-1α, IL-1β geneexpression, and serumsuccinate levels between the ADPKD patients and the control subjects. Whole blood HIF-1αgene expression, IL-1β geneexpression, and serumsuccinate levels were also significantly different in ADPKD patients with hypertension in comparison with normotensive ones (p < 0.05). Serum succinate levels and blood IL-1β geneexpression were increased in ADPKD patients with high levels of HIF-1α geneexpression (p = 0.018 and p = 0.029, respectively). Conclusions: Increased age,low eGFR, and HIF-1α and IL-1β geneexpressions were also independently associated with hypertension in ADPKD patients. Inflammation and hypoxia are both relevant factors that might be associated with hypertension in ADPKD.
Item Type: | Article |
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Date Type: | Publication |
Status: | Published |
Schools: | Medicine |
ISSN: | 1664-5502 |
Date of First Compliant Deposit: | 17 January 2023 |
Date of Acceptance: | 9 April 2019 |
Last Modified: | 19 May 2023 00:48 |
URI: | https://orca.cardiff.ac.uk/id/eprint/154369 |
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