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Additional sex combs-like family genes are required for normal cardiovascular development.
MedLine Citation:
PMID:  24860998     Owner:  NLM     Status:  Publisher    
Abstract/OtherAbstract:
Congenital heart disease (CHD) is the most common birth defect. However, the majority of CHD cases have unknown etiology. Here we report the identification of ASXL2 and ASXL1, two homologous chromatin factors, as novel regulators of heart development. Asxl2(-/-) fetuses have reduced body weight and display congenital heart malformations including thickened compact myocardium in the left ventricle, membranous ventricular septal defect and atrioventricular valval stenosis. Although most Asxl2(-/-) animals survive to term, the neonates have patent ductus arteriosus and consequent lung hemorrhage and die soon after birth. Asxl1(-/-) fetuses have reduced body weight and display cleft palate, anophthalmia as well as ventricular septal defects and a failure in lung maturation. From these results, we conclude that normal heart development requires both ASXL proteins. In particular, ASXL2 plays an important role in heart morphogenesis and the transition from fetal to postnatal circulation. © 2014 Wiley Periodicals, Inc.
Authors:
Andrea L McGinley; Yanyang Li; Zane Deliu; Q Tian Wang
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Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2014-5-23
Journal Detail:
Title:  Genesis (New York, N.Y. : 2000)     Volume:  -     ISSN:  1526-968X     ISO Abbreviation:  Genesis     Publication Date:  2014 May 
Date Detail:
Created Date:  2014-5-27     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  100931242     Medline TA:  Genesis     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
Copyright Information:
Copyright © 2014 Wiley Periodicals, Inc., a Wiley company.
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