Home General Physiology and Biophysics 2023 General Physiology and Biophysics Vol.42, No.2, p. 209–215, 2023

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Quarterly, 80 pp. per issue
Founded: 1982
ISSN  1338-4325 (online)

Published in English

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General Physiology and Biophysics Vol.42, No.2, p. 209–215, 2023

Title: Ivabradine curbs isoproterenol-induced kidney fibrosis
Author: Tomas Baka, Peter Stanko, Kristina Repova, Silvia Aziriova, Kristina Krajcirovicova, Andrej Barta, Stefan Zorad, Fedor Simko

Abstract: This study investigated whether chronic isoproterenol administration could induce kidney alterations and whether ivabradine, a heart rate (HR)-reducing substance exerting cardiovascular protection, is able to attenuate potential kidney damage. Twenty-eight Wistar rats were divided into non-diseased controls, rats treated with ivabradine, rats treated with isoproterenol, and rats treated with isoproterenol plus ivabradine. Six weeks of isoproterenol administration was associated with decreased systolic blood pressure (SBP) (by 25%) and glomerular, tubulointerstitial and vascular/perivascular fibrosis due to enhanced type I collagen volume (7-, 8-, and 4-fold, respectively). Ivabradine reduced HR (by 15%), partly prevented SBP decline (by 10%) and site-specifically mitigated kidney fibrosis by decreasing type I collagen volume in all three sites investigated (by 69, 58, and 67%, respectively) and the ratio of type I collagen-to-type III collagen in glomerular and vascular/perivascular sites (by 79 and 73%, respectively). We conclude that ivabradine exerts protection against kidney remodelling in isoproterenol-induced kidney damage.

Keywords: Ivabradine — Isoproterenol — Kidney fibrosis — Chronic kidney disease — Cardiorenal syndrome
Published online: 14-Mar-2023
Year: 2023, Volume: 42, Issue: 2 Page From: 209, Page To: 215

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