| FG syndrome, an X-linked multiple congenital anomaly syndrome: the clinical phenotype and an algorithm for diagnostic testing. | |
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MedLine Citation:
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PMID: 19938245 Owner: NLM Status: MEDLINE |
Abstract/OtherAbstract:
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FG syndrome is a rare X-linked multiple congenital anomaly-cognitive impairment disorder caused by the p.R961W mutation in the MED12 gene. We identified all known patients with this mutation to delineate their clinical phenotype and devise a clinical algorithm to facilitate molecular diagnosis. We ascertained 23 males with the p.R961W mutation in MED12 from 9 previously reported FG syndrome families and 1 new family. Six patients are reviewed in detail. These 23 patients were compared with 48 MED12 mutation-negative patients, who had the clinical diagnosis of FG syndrome. Traits that best discriminated between these two groups were chosen to develop an algorithm with high sensitivity and specificity for the p.R961W MED12 mutation. FG syndrome has a recognizable dysmorphic phenotype with a high incidence of congenital anomalies. A family history of X-linked mental retardation, deceased male infants, and/or multiple fetal losses was documented in all families. The algorithm identifies the p.R961W MED12 mutation-positive group with 100% sensitivity and 90% specificity. The clinical phenotype of FG syndrome defines a recognizable pattern of X-linked multiple congenital anomalies and cognitive impairment. This algorithm can assist the clinician in selecting the patients for testing who are most likely to have the recurrent p.R961W MED12 mutation. |
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Authors:
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Robin Dawn Clark; John M Graham; Michael J Friez; Joe J Hoo; Kenneth Lyons Jones; Carole McKeown; John B Moeschler; F Lucy Raymond; R Curtis Rogers; Charles E Schwartz; Agatino Battaglia; Michael J Lyons; Roger E Stevenson |
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Publication Detail:
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Type: Journal Article; Research Support, N.I.H., Extramural; Research Support, Non-U.S. Gov't |
Journal Detail:
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Title: Genetics in medicine : official journal of the American College of Medical Genetics Volume: 11 ISSN: 1530-0366 ISO Abbreviation: Genet. Med. Publication Date: 2009 Nov |
Date Detail:
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Created Date: 2009-11-17 Completed Date: 2010-01-13 Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 9815831 Medline TA: Genet Med Country: United States |
Other Details:
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Languages: eng Pagination: 769-75 Citation Subset: IM |
Affiliation:
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Division of Medical Genetics, Department of Pediatrics, Loma Linda University Medical Center, Loma Linda, CA 92354, USA. ltigard@llu.edu |
Export Citation:
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| MeSH Terms | |
Descriptor/Qualifier:
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Abnormalities, Multiple
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diagnosis*,
genetics Adolescent Adult Child Chromosomes, Human, X / genetics* Genetic Diseases, X-Linked / diagnosis*, genetics Humans Male Mediator Complex / genetics* Mutation Pedigree Young Adult |
| Grant Support | |
ID/Acronym/Agency:
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5-T32-GM08243/GM/NIGMS NIH HHS; HD22657/HD/NICHD NIH HHS; HD26202/HD/NICHD NIH HHS |
| Chemical | |
Reg. No./Substance:
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0/MED12 protein, human; 0/Mediator Complex |
From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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