Abstract
Renal and cardiac function are greatly affected by chronic oxidative stress which can cause many pathophysiological states. The Na/K-ATPase is well-described as an ion pumping enzyme involved in maintaining cellular ion homeostasis; however, in the past two decades, extensive research has been done to understand the signaling function of the Na/K-ATPase and determine its role in physiological and pathophysiological states. Our lab has shown that the Na/K-ATPase signaling cascade can function as an amplifier of reactive oxygen species (ROS) which can be initiated by cardiotonic steroids or increases in ROS. Regulation of systemic oxidative stress by targeting Na/K-ATPase signaling mediated oxidant amplification improves 5/6th partial nephrectomy (PNx) mediated uremic cardiomyopathy, renal sodium handling, as well as ameliorates adipogenesis. This review will present this new concept of Na/K-ATPase signaling mediated oxidant amplification loop and its clinic implication.
Keywords: Na/K-ATPase, signaling, ROS, oxidative stress, ion homeostasis, pumping enzyme.
Current Pharmaceutical Design
Title:Targeting Na/K-ATPase Signaling: A New Approach to Control Oxidative Stress
Volume: 24 Issue: 3
Author(s): Jiang Liu, Megan N. Lilly and Joseph I. Shapiro*
Affiliation:
- Department of Medicine, Joan C. Edwards School of Medicine, Marshall University, Huntington, WV,United States
Keywords: Na/K-ATPase, signaling, ROS, oxidative stress, ion homeostasis, pumping enzyme.
Abstract: Renal and cardiac function are greatly affected by chronic oxidative stress which can cause many pathophysiological states. The Na/K-ATPase is well-described as an ion pumping enzyme involved in maintaining cellular ion homeostasis; however, in the past two decades, extensive research has been done to understand the signaling function of the Na/K-ATPase and determine its role in physiological and pathophysiological states. Our lab has shown that the Na/K-ATPase signaling cascade can function as an amplifier of reactive oxygen species (ROS) which can be initiated by cardiotonic steroids or increases in ROS. Regulation of systemic oxidative stress by targeting Na/K-ATPase signaling mediated oxidant amplification improves 5/6th partial nephrectomy (PNx) mediated uremic cardiomyopathy, renal sodium handling, as well as ameliorates adipogenesis. This review will present this new concept of Na/K-ATPase signaling mediated oxidant amplification loop and its clinic implication.
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Cite this article as:
Liu Jiang , Lilly N. Megan and Shapiro I. Joseph*, Targeting Na/K-ATPase Signaling: A New Approach to Control Oxidative Stress, Current Pharmaceutical Design 2018; 24 (3) . https://dx.doi.org/10.2174/1381612824666180110101052
DOI https://dx.doi.org/10.2174/1381612824666180110101052 |
Print ISSN 1381-6128 |
Publisher Name Bentham Science Publisher |
Online ISSN 1873-4286 |
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