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Mol. Cells 2009; 28(2): 81-85

Published online August 20, 2009

https://doi.org/10.1007/s10059-009-0115-y

© The Korean Society for Molecular and Cellular Biology

Modeling the Cardiac Na+/H+ Exchanger Based on Major Experimental Findings

Chae Young Cha, and Akinori Noma

Received: July 3, 2009; Accepted: July 6, 2009

Abstract

Na+-H+ exchanger (NHE) is the main acid extruder in car-diac myocytes. We review the experimental findings of ion-dependency of NHE activity, and the mathematical modeling developed so far. In spite of extensive investigation, many unsolved questions still remain. We consider that the precise description of NHE activity with mathematical models elucidates the roles of NHE in maintaining ionic homeostasis, especially under pathophysiological conditions.

Keywords ion dependency, mathematical model, NHE

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Mol. Cells 2009; 28(2): 81-85

Published online August 31, 2009 https://doi.org/10.1007/s10059-009-0115-y

Copyright © The Korean Society for Molecular and Cellular Biology.

Modeling the Cardiac Na+/H+ Exchanger Based on Major Experimental Findings

Chae Young Cha, and Akinori Noma

Received: July 3, 2009; Accepted: July 6, 2009

Abstract

Na+-H+ exchanger (NHE) is the main acid extruder in car-diac myocytes. We review the experimental findings of ion-dependency of NHE activity, and the mathematical modeling developed so far. In spite of extensive investigation, many unsolved questions still remain. We consider that the precise description of NHE activity with mathematical models elucidates the roles of NHE in maintaining ionic homeostasis, especially under pathophysiological conditions.

Keywords: ion dependency, mathematical model, NHE

Mol. Cells
May 31, 2023 Vol.46 No.5, pp. 259~328
COVER PICTURE
The alpha-helices in the lamin filaments are depicted as coils, with different subdomains distinguished by various colors. Coil 1a is represented by magenta, coil 1b by yellow, L2 by green, coil 2a by white, coil 2b by brown, stutter by cyan, coil 2c by dark blue, and the lamin Ig-like domain by grey. In the background, cells are displayed, with the cytosol depicted in green and the nucleus in blue (Ahn et al., pp. 309-318).

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