© 2000 by European Society of Cardiology
Copyright © 2000, European Society of Cardiology
Reexpression of T-type Ca channels after myocardial infarction: does it play a role in cardiac excitation?
Diakonessenhuis Utrecht, Interne Geneeskunde, Bosboomstraat 3, 3582 KE Utrecht, The Netherlands
* Tel.: +31-30-2566-566; fax: +31-30-2566-738
Received 13 March 2000; accepted 13 March 2000
| The first 10% of the full text of this article appears below. |
See article by Huang et al. [5] (pages 442–449) in this issue.
| Introduction |
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Electrophysiological and myocardial remodeling plays an important role in the development of heart failure and arrhythmogenesis after myocardial infarction. Previous reports [1–4] have shown that the activation of signal transduction pathways after myocardial infarction involved in the initiation of cardiac hypertrophy follows a distinct pattern. Why do fetal and neonatal isogenes become reactivated under pathologic conditions? Recent studies [5–7] have taught us that expression and function of ion channels is very dynamic and can be affected at various levels depending on various physiologic and adverse stimuli. The pattern of cardiac excitation, pathologic stimuli such as ischemia or infarction and rate of impulse propagation have important effects on ion channel expression and properties. The number, biophysical characteristics and distribution of
| Cardiac Ca2+ channels |
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| T-type Ca2+ channel in growth and hypertrophy |
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| Reexpression of fetal T-type Ca2+ channel isogenes |
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| Post-infarction myocardial remodeling and arrhythmogenesis |
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