| New developments in the second heart field. | |
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MedLine Citation:
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PMID: 22521611 Owner: NLM Status: Publisher |
Abstract/OtherAbstract:
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During cardiac looping the heart tube elongates by addition of progenitor cells from adjacent pharyngeal mesoderm to the arterial and venous poles. This cell population, termed the second heart field, was first identified ten years ago and many studies in the intervening decade have refined our understanding of how heart tube elongation takes place and identified signaling pathways that regulate proliferation and differentiation during progressive contribution of second heart field cells to the embryonic heart. It has also become apparent that defective second heart field development results in common congenital heart anomalies affecting both the conotruncal region and venous pole of the heart, including atrial and atrioventricular septal defects. In this review we focus on a series of recent papers that have identified new regulators of second heart field development, in particular the retinoic acid signaling pathway and HOX, SIX and EYA transcription factors. We also discuss new findings concerning the regulation of fibroblast growth factor signaling during second heart field deployment and studies that have implicated FGF10 and FGF3 in outflow tract development in addition to FGF8. Second heart field derived parts of the heart share common progenitor cells in pharyngeal mesoderm with craniofacial skeletal muscles and recent findings from xenopus, zebrafish and the protochordate Ciona intestinalis provide insights into the evolution of the second heart field during vertebrate radiation. |
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Authors:
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Stéphane Zaffran; Robert G Kelly |
Publication Detail:
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Type: JOURNAL ARTICLE Date: 2012-4-20 |
Journal Detail:
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Title: Differentiation; research in biological diversity Volume: - ISSN: 1432-0436 ISO Abbreviation: - Publication Date: 2012 Apr |
Date Detail:
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Created Date: 2012-4-23 Completed Date: - Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 0401650 Medline TA: Differentiation Country: - |
Other Details:
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Languages: ENG Pagination: - Citation Subset: - |
Copyright Information:
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Copyright © 2012 International Society of Differentiation. Published by Elsevier B.V. All rights reserved. |
Affiliation:
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Aix Marseille University, Marseille, France; Inserm UMRS910, Faculté de Médecine de la Timone, 27 Boulevard Jean Moulin, 13005 Marseille, France. |
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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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