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- Title
The phenotype of Floating-Harbor syndrome: clinical characterization of 52 individuals with mutations in exon 34 of SRCAP.
- Authors
Nikkel, Sarah M.; Dauber, Andrew; De Munnik, Sonja; Connolly, Meghan; Hood, Rebecca L.; Caluseriu, Oana; Hurst, Jane; Kini, Usha; Nowaczyk, Malgorzata J. M.; Afenjar, Alexandra; Albrecht, Beate; Allanson, Judith E.; Balestri, Paolo; Ben-Omran, Tawfeg; Brancati, Francesco; Cordeiro, Isabel; Santos da Cunha, Bruna; Delaney, Louisa A.; Destrée, Anne; Fitzpatrick, David
- Abstract
Background: Floating-Harbor syndrome (FHS) is a rare condition characterized by short stature, delays in expressive language, and a distinctive facial appearance. Recently, heterozygous truncating mutations in SRCAP were determined to be disease-causing. With the availability of a DNA based confirmatory test, we set forth to define the clinical features of this syndrome. Methods and results: Clinical information on fifty-two individuals with SRCAP mutations was collected using standardized questionnaires. Twenty-four males and twenty-eight females were studied with ages ranging from 2 to 52 years. The facial phenotype and expressive language impairments were defining features within the group. Height measurements were typically between minus two and minus four standard deviations, with occipitofrontal circumferences usually within the average range. Thirty-three of the subjects (63%) had at least one major anomaly requiring medical intervention. We did not observe any specific phenotype-genotype correlations. Conclusions: This large cohort of individuals with molecularly confirmed FHS has allowed us to better delineate the clinical features of this rare but classic genetic syndrome, thereby facilitating the development of management protocols.
- Subjects
PHENOTYPES; GENETIC polymorphisms; ECOLOGICAL genetics; PHENOTYPIC plasticity; DNA
- Publication
Orphanet Journal of Rare Diseases, 2013, Vol 8, Issue 1, p1
- ISSN
1750-1172
- Publication type
Article
- DOI
10.1186/1750-1172-8-63