Document Detail


Wolf-Hirschhorn syndrome due to pure and translocation forms of monosomy 4p16.1 → pter.
MedLine Citation:
PMID:  21744486     Owner:  NLM     Status:  Publisher    
Abstract/OtherAbstract:
The aim of this study was to obtain a quantitative definition of Wolf-Hirschhorn syndrome (WHS) through systematic phenotypic analyses in a group of six children with 4p15.32 → pter, 4p15.33 → pter, or 4p16.1 → pter monosomy (considered together as M4p16.1). These results were used for evaluation of the phenotypic effects of a double chromosome imbalance in one child with 4p16.1 → pter monosomy and additional 11q23.3 → qter trisomy. Children with pure M4p16.1 presented with a total of 227 clinical and morphological traits, of which 119 were positive in at least two of them. These traits overlap to a great extent with clinical criteria defining the WHS phenotype. Among the 103 traits identified in the child with unbalanced translocation der(4)t(4;11)(p16.1;q23.3), most clinical and developmental traits (but only 11 morphological) were found to be shared by WHS children with pure M4p16.1 and at least one reported patient with pure 11q trisomy. Forty-six traits of this child corresponded solely to those identified in at least one child with pure M4p16.1. Only five traits of the hybrid phenotype were present in at least one child with pure distal 11q trisomy but in none of the present children with pure M4p16.1. In conclusion, most of the morphological traits of the hybrid phenotype in the child with der(4)t(4;11)(p16.1;q23.3) can be attributed to the M4p16.1, whereas their overlap with those associated with pure distal 11q trisomy is less evident. Phenotype analyses based on the same systematic data acquisition may be useful in understanding the phenotypic effects of different chromosome regions in complex rearrangements. © 2011 Wiley-Liss, Inc.
Authors:
Piotr S Iwanowski; Barbara Panasiuk; Griet Van Buggenhout; Marina Murdolo; Marta Myśliwiec; Nicole M C Maas; Serena Lattante; Lech Korniszewski; Renata Posmyk; Jacek Pilch; Stanislaw Zajączek; Jean-Pierre Fryns; Marcella Zollino; Alina T Midro
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Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2011-7-8
Journal Detail:
Title:  American journal of medical genetics. Part A     Volume:  -     ISSN:  1552-4833     ISO Abbreviation:  -     Publication Date:  2011 Jul 
Date Detail:
Created Date:  2011-7-11     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  101235741     Medline TA:  Am J Med Genet A     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
Copyright Information:
Copyright © 2011 Wiley-Liss, Inc.
Affiliation:
Department of Clinical Genetics, Medical University of Bialystok, Bialystok, Poland.
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