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The Na/K-ATPase/Src complex and cardiotonic steroid-activated protein kinase cascades

The Na/K-ATPase/Src complex and cardiotonic steroid-activated protein kinase cascades The Na/K-ATPase was discovered by Skou in 1957. Since then, the efforts of numerous investigators have led to the following conclusions: (a) This enzyme is indeed the molecular machine for the ATP-dependent and -coupled transport of Na+ and K+ across the plasma membrane of a living cell in which such a process (sodium pump) is detected. (b) The Na/K-ATPase is also an important signal transducer that not only interacts and regulates protein kinases, but also functions as a scaffold, capable of bringing the affector and effectors together to form functional signalosomes. This minireview discusses the interaction between the Na/K-ATPase and Src to illustrate how a P-type ATPase can act as a receptor, converting a ligand-binding signal to the activation of protein kinase cascades and the generation of second messengers. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Pflügers Archiv European Journal of Physiologyl of Physiology Springer Journals

The Na/K-ATPase/Src complex and cardiotonic steroid-activated protein kinase cascades

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References (125)

Publisher
Springer Journals
Copyright
Copyright © 2008 by Springer-Verlag
Subject
Biomedicine; Human Physiology
ISSN
0031-6768
eISSN
1432-2013
DOI
10.1007/s00424-008-0470-0
pmid
18283487
Publisher site
See Article on Publisher Site

Abstract

The Na/K-ATPase was discovered by Skou in 1957. Since then, the efforts of numerous investigators have led to the following conclusions: (a) This enzyme is indeed the molecular machine for the ATP-dependent and -coupled transport of Na+ and K+ across the plasma membrane of a living cell in which such a process (sodium pump) is detected. (b) The Na/K-ATPase is also an important signal transducer that not only interacts and regulates protein kinases, but also functions as a scaffold, capable of bringing the affector and effectors together to form functional signalosomes. This minireview discusses the interaction between the Na/K-ATPase and Src to illustrate how a P-type ATPase can act as a receptor, converting a ligand-binding signal to the activation of protein kinase cascades and the generation of second messengers.

Journal

Pflügers Archiv European Journal of Physiologyl of PhysiologySpringer Journals

Published: Feb 19, 2008

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