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Origin and development of the atrioventricular myocardial lineage: Insight into the development of accessory pathways

✍ Scribed by Wim T. J. Aanhaanen; Antoon F. M. Moorman; Vincent M. Christoffels


Publisher
John Wiley and Sons
Year
2011
Tongue
English
Weight
820 KB
Volume
91
Category
Article
ISSN
1542-0752

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✦ Synopsis


Abstract

Defects originating from the atrioventricular canal region are part of a wide spectrum of congenital cardiovascular malformations that frequently affect newborns. These defects include partial or complete atrioventricular septal defects, atrioventricular valve defects, and arrhythmias, such as atrioventricular re‐entry tachycardia, atrioventricular nodal block, and ventricular preexcitation. Insight into the cellular origin of the atrioventricular canal myocardium and the molecular mechanisms that control its development will aid in the understanding of the etiology of the atrioventricular defects. This review discusses current knowledge concerning the origin and fate of the atrioventricular canal myocardium, the molecular mechanisms that determine its specification and differentiation, and its role in the development of certain malformations such as those that underlie ventricular preexcitation. Birth Defects Research (Part A), 2011. © 2011Wiley‐Liss, Inc.


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