Chromosome 4q deletion syndrome: Narrowing the cardiovascular critical region to 4q32.2–q34.3
dc.contributor.author | Xu, Wenbo | en_US |
dc.contributor.author | Ahmad, Ayesha | en_US |
dc.contributor.author | Dagenais, Susan L. | en_US |
dc.contributor.author | Iyer, Ramaswamy K. | en_US |
dc.contributor.author | Innis, Jeffrey W. | en_US |
dc.date.accessioned | 2012-03-16T15:56:08Z | |
dc.date.available | 2013-05-01T17:24:42Z | en_US |
dc.date.issued | 2012-03 | en_US |
dc.identifier.citation | Xu, Wenbo; Ahmad, Ayesha; Dagenais, Susan; Iyer, Ramaswamy K.; Innis, Jeffrey W. (2012). "Chromosome 4q deletion syndrome: Narrowing the cardiovascular critical region to 4q32.2–q34.3 ." American Journal of Medical Genetics Part A 158A(3): 635-640. <http://hdl.handle.net/2027.42/90180> | en_US |
dc.identifier.issn | 1552-4825 | en_US |
dc.identifier.issn | 1552-4833 | en_US |
dc.identifier.uri | https://hdl.handle.net/2027.42/90180 | |
dc.description.abstract | The 4q deletion syndrome is a rare chromosome deletion syndrome with a wide range of clinical phenotypes. There is limited clinical phenotype and molecular correlation for congenital heart defects (CHDs) reported so far for this region primarily because many cases are large deletions, often terminal, and because high‐resolution array has not been reported in the evaluation of this group of patients. CHDs are reported in about 60% of patients with 4q deletion syndrome, occurring in the presence or absence of dHAND deletion, implying the existence of additional genes in 4q whose dosage influences cardiac development. We report an 8‐month‐old patient with a large mid‐muscular to outlet ventricular septal defect (VSD), moderate‐sized secundum‐type atrial septal defect (ASD), thickened, dysplastic pulmonary valve with mild stenosis and moderate pulmonic regurgitation, and patent ductus arteriosus (PDA). Illumina CytoSNP array analysis disclosed a de novo, heterozygous, interstitial deletion of 11.6 Mb of genomic material from the long arm of chromosome 4, at 4q32.3–q34.3 (Chr4:167236114–178816031; hg18). The deleted region affects 37 RefSeq genes (hg18), including two provisional microRNA stemloops. Three genes in this region, namely TLL1 (Tolloid‐like‐1), HPGD (15‐hydroxyprostaglandin dehydrogenase), and HAND2 (Heart and neural crest derivatives‐expressed protein 2), are known to be involved in cardiac morphogenesis. This report narrows the critical region responsible for CHDs seen in 4q deletion syndrome. © 2012 Wiley Periodicals, Inc. | en_US |
dc.publisher | Wiley Subscription Services, Inc., A Wiley Company | en_US |
dc.subject.other | Atrial Septal Defect (ASD) | en_US |
dc.subject.other | 4q Deletion Syndrome | en_US |
dc.subject.other | Ventricular Septal Defect (VSD) | en_US |
dc.title | Chromosome 4q deletion syndrome: Narrowing the cardiovascular critical region to 4q32.2–q34.3 | en_US |
dc.type | Article | en_US |
dc.rights.robots | IndexNoFollow | en_US |
dc.subject.hlbsecondlevel | Genetics | en_US |
dc.subject.hlbtoplevel | Health Sciences | en_US |
dc.description.peerreviewed | Peer Reviewed | en_US |
dc.contributor.affiliationum | Division of Pediatric Genetics, Department of Pediatrics and Communicable Diseases, University of Michigan Medical Center, D5240 Medical Professional Building, 1500 E. Medical Center Drive Ann Arbor, MI 48109‐0718. | en_US |
dc.contributor.affiliationum | DNA Sequencing Core Laboratory, The University of Michigan Medical School, Ann Arbor, Michigan | en_US |
dc.contributor.affiliationum | Department of Human Genetics, The University of Michigan Medical School, Ann Arbor, Michigan | en_US |
dc.contributor.affiliationum | Department of Pediatrics, The University of Michigan Medical School, Ann Arbor, Michigan | en_US |
dc.identifier.pmid | 22302627 | en_US |
dc.description.bitstreamurl | http://deepblue.lib.umich.edu/bitstream/2027.42/90180/1/34425_ftp.pdf | |
dc.identifier.doi | 10.1002/ajmg.a.34425 | en_US |
dc.identifier.source | American Journal of Medical Genetics Part A | en_US |
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dc.owningcollname | Interdisciplinary and Peer-Reviewed |
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