| Sensorineural deafness, distinctive facial features, and abnormal cranial bones: a new variant of Waardenburg syndrome? | |
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MedLine Citation:
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PMID: 18553554 Owner: NLM Status: MEDLINE |
Abstract/OtherAbstract:
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The Waardenburg syndromes (WS) account for approximately 2% of congenital sensorineural deafness. This heterogeneous group of diseases currently can be categorized into four major subtypes (WS types 1-4) on the basis of characteristic clinical features. Multiple genes have been implicated in WS, and mutations in some genes can cause more than one WS subtype. In addition to eye, hair, and skin pigmentary abnormalities, dystopia canthorum and broad nasal bridge are seen in WS type 1. Mutations in the PAX3 gene are responsible for the condition in the majority of these patients. In addition, mutations in PAX3 have been found in WS type 3 that is distinguished by musculoskeletal abnormalities, and in a family with a rare subtype of WS, craniofacial-deafness-hand syndrome (CDHS), characterized by dysmorphic facial features, hand abnormalities, and absent or hypoplastic nasal and wrist bones. Here we describe a woman who shares some, but not all features of WS type 3 and CDHS, and who also has abnormal cranial bones. All sinuses were hypoplastic, and the cochlea were small. No sequence alteration in PAX3 was found. These observations broaden the clinical range of WS and suggest there may be genetic heterogeneity even within the CDHS subtype. |
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Authors:
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Alona Gad; Mercy Laurino; Kenneth R Maravilla; Mark Matsushita; Wendy H Raskind |
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Publication Detail:
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Type: Case Reports; Journal Article; Research Support, N.I.H., Extramural |
Journal Detail:
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Title: American journal of medical genetics. Part A Volume: 146A ISSN: 1552-4833 ISO Abbreviation: Am. J. Med. Genet. A Publication Date: 2008 Jul |
Date Detail:
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Created Date: 2008-06-23 Completed Date: 2008-08-20 Revised Date: 2011-07-28 |
Medline Journal Info:
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Nlm Unique ID: 101235741 Medline TA: Am J Med Genet A Country: United States |
Other Details:
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Languages: eng Pagination: 1880-5 Citation Subset: IM |
Copyright Information:
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2008 Wiley-Liss, Inc. |
Affiliation:
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Division of Medical Genetics, Department of Medicine, University of Washington, Seattle, Washington 98195-7720, USA. |
Export Citation:
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| MeSH Terms | |
Descriptor/Qualifier:
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Adult Craniofacial Abnormalities / genetics*, pathology DNA / genetics DNA Mutational Analysis Female Hearing Loss, Sensorineural / congenital, genetics* Humans Paired Box Transcription Factors / genetics Paranasal Sinuses / abnormalities Phenotype Waardenburg's Syndrome / classification, diagnosis*, genetics* |
| Grant Support | |
ID/Acronym/Agency:
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5T32GM007454/GM/NIGMS NIH HHS; T32 GM007454-28/GM/NIGMS NIH HHS |
| Chemical | |
Reg. No./Substance:
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0/PAX3 protein, human; 0/Paired Box Transcription Factors; 9007-49-2/DNA |
| Comments/Corrections | |
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