Title |
Quantification of carbonic anhydrase gene expression in ventricle of hypertrophic and failing human heart
|
---|---|
Published in |
BMC Cardiovascular Disorders, January 2013
|
DOI | 10.1186/1471-2261-13-2 |
Pubmed ID | |
Authors |
Bernardo V Alvarez, Anita L Quon, John Mullen, Joseph R Casey |
Abstract |
Carbonic anhydrase enzymes (CA) catalyze the reversible hydration of carbon dioxide to bicarbonate in mammalian cells. Trans-membrane transport of CA-produced bicarbonate contributes significantly to cellular pH regulation. A body of evidence implicates pH-regulatory processes in the hypertrophic growth pathway characteristic of hearts as they fail. In particular, Na+/H+ exchange (NHE) activation is pro-hypertrophic and CA activity activates NHE. Recently Cardrase (6-ethoxyzolamide), a CA inhibitor, was found to prevent and revert agonist-stimulated cardiac hypertrophy (CH) in cultured cardiomyocytes. Our goal thus was to determine whether hypertrophied human hearts have altered expression of CA isoforms. |
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