Document Detail


Craniofacial characteristics of fragile X syndrome in mouse and man.
MedLine Citation:
PMID:  23211703     Owner:  NLM     Status:  Publisher    
Abstract/OtherAbstract:
For a disorder as common as fragile X syndrome, the most common hereditary form of cognitive impairment, the facial features are relatively ill defined. An elongated face and prominent ears are the most commonly accepted dysmorphic hallmarks. We analysed 3D facial photographs of 51 males and 15 females with full FMR1 mutations and 9 females with a premutation using dense-surface modelling techniques and a new technique that forms a directed graph with normalized face shapes as nodes and edges linking those with closest dysmorphism. In addition to reconfirming known features, we confirmed the occurrence of some at an earlier age than previously recorded. We also identified as yet unrecorded facial characteristics such as reduced facial depth, hypoplasticity of the nasal bone-cartilage interface and narrow mid-facial width exaggerating ear prominence. As no consistent craniofacial abnormalities had been reported in animal models, we analysed micro-CT images of the fragile X mouse model. Results indicated altered dimensions in the mandible and both outer and inner skull, with the latter potentially reflecting differences in neuroanatomy. We extrapolated the mouse results to face shape differences of the human fragile X face.European Journal of Human Genetics advance online publication, 5 December 2012; doi:10.1038/ejhg.2012.265.
Authors:
Inge Heulens; Michael Suttie; Andrei Postnov; Nora De Clerck; Concetta S Perrotta; Teresa Mattina; Francesca Faravelli; Francesca Forzano; R Frank Kooy; Peter Hammond
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Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2012-12-05
Journal Detail:
Title:  European journal of human genetics : EJHG     Volume:  -     ISSN:  1476-5438     ISO Abbreviation:  Eur. J. Hum. Genet.     Publication Date:  2012 Dec 
Date Detail:
Created Date:  2012-12-5     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  9302235     Medline TA:  Eur J Hum Genet     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
Affiliation:
Department of Medical Genetics, University of Antwerp, Antwerp, Belgium.
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