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Int. J. Mol. Sci. 2013, 14(11), 23011-23032; doi:10.3390/ijms141123011
Review

Pathogenesis of Chronic Cardiorenal Syndrome: Is There a Role for Oxidative Stress?

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Received: 3 August 2013; in revised form: 30 October 2013 / Accepted: 1 November 2013 / Published: 20 November 2013
(This article belongs to the Special Issue Oxidative Stress in Cardiovascular Disease)
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Abstract: Cardiorenal syndrome is a frequently encountered clinical condition when the dysfunction of either the heart or kidneys amplifies the failure progression of the other organ. Complex biochemical, hormonal and hemodynamic mechanisms underlie the development of cardiorenal syndrome. Both in vitro and experimental studies have identified several dysregulated pathways in heart failure and in chronic kidney disease that lead to increased oxidative stress. A decrease in mitochondrial oxidative metabolism has been reported in cardiomyocytes during heart failure. This is balanced by a compensatory increase in glucose uptake and glycolysis with consequent decrease in myocardial ATP content. In the kidneys, both NADPH oxidase and mitochondrial metabolism are important sources of TGF-β1-induced cellular ROS. NOX-dependent oxidative activation of transcription factors such as NF-kB and c-jun leads to increased expression of renal target genes (phospholipaseA2, MCP-1 and CSF-1, COX-2), thus contributing to renal interstitial fibrosis and inflammation. In the present article, we postulate that, besides contributing to both cardiac and renal dysfunction, increased oxidative stress may also play a crucial role in cardiorenal syndrome development and progression. In particular, an imbalance between the renin-angiotensin-aldosterone system, the sympathetic nervous system, and inflammation may favour cardiorenal syndrome through an excessive oxidative stress production. This article also discusses novel therapeutic strategies for their potential use in the treatment of patients affected by cardiorenal syndrome.
Keywords: heart failure; renal failure; oxidative stress; mitochondrial dysfunction; renin-angiotensin-aldosterone system; sympathetic nervous system; inflammation heart failure; renal failure; oxidative stress; mitochondrial dysfunction; renin-angiotensin-aldosterone system; sympathetic nervous system; inflammation
This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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MDPI and ACS Style

Rubattu, S.; Mennuni, S.; Testa, M.; Mennuni, M.; Pierelli, G.; Pagliaro, B.; Gabriele, E.; Coluccia, R.; Autore, C.; Volpe, M. Pathogenesis of Chronic Cardiorenal Syndrome: Is There a Role for Oxidative Stress? Int. J. Mol. Sci. 2013, 14, 23011-23032.

AMA Style

Rubattu S, Mennuni S, Testa M, Mennuni M, Pierelli G, Pagliaro B, Gabriele E, Coluccia R, Autore C, Volpe M. Pathogenesis of Chronic Cardiorenal Syndrome: Is There a Role for Oxidative Stress? International Journal of Molecular Sciences. 2013; 14(11):23011-23032.

Chicago/Turabian Style

Rubattu, Speranza; Mennuni, Silvia; Testa, Marco; Mennuni, Mara; Pierelli, Giorgia; Pagliaro, Beniamino; Gabriele, Erica; Coluccia, Roberta; Autore, Camillo; Volpe, Massimo. 2013. "Pathogenesis of Chronic Cardiorenal Syndrome: Is There a Role for Oxidative Stress?" Int. J. Mol. Sci. 14, no. 11: 23011-23032.



Int. J. Mol. Sci. EISSN 1422-0067 Published by MDPI AG, Basel, Switzerland RSS E-Mail Table of Contents Alert