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Interstitial deletion 1q42 in a patient with agenesis of corpus callosum : Phenotype-genotype comparison to the 1q41q42 microdeletion suggests a contiguous 1q4 syndrome

Filges, Isabel and Röthlisberger, Benno and Boesch, Nemya and Weber, Peter and Wenzel, Friedel and Huber, Andreas R. and Heinimann, Karl and Miny, Peter. (2010) Interstitial deletion 1q42 in a patient with agenesis of corpus callosum : Phenotype-genotype comparison to the 1q41q42 microdeletion suggests a contiguous 1q4 syndrome. American journal of medical genetics. Part A, Vol. 152, H. 4. pp. 987-993.

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Official URL: http://edoc.unibas.ch/dok/A6002930

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Abstract

Interstitial deletions of 1q4 are rare and present with different deletion breakpoints and variable phenotype. We report on the clinical and molecular cytogenetic findings in a girl with minor anomalies, midline defects including prenatally ascertained agenesis of the corpus callosum, epilepsy and developmental delay. A de novo 5.45 Mb deletion almost exclusively located within 1q42 was found to cause this phenotype, which shows significant overlap with the microdeletion 1q41q42 syndrome reported in a few patients except for the agenesis of the corpus callosum. However, deletions in patients with the 1q41q42 syndrome mainly extend into the 1q41 region with a region of overlap including the DISP1 gene involved in the SHH pathway, which is not part of the 1q42 deletion in our patient. We suggest that an interaction of genes involved in pathways of embryonic development rather than haploinsufficiency of single genes in the so-called critical regions is causing complex malformation syndromes due to cytogenetic microaberrations in the 1q4 region.
Faculties and Departments:03 Faculty of Medicine > Bereich Kinder- und Jugendheilkunde (Klinik) > Kinder- und Jugendheilkunde (UKBB) > Neuro- und Entwicklungspädiatrie (Weber)
03 Faculty of Medicine > Departement Klinische Forschung > Bereich Kinder- und Jugendheilkunde (Klinik) > Kinder- und Jugendheilkunde (UKBB) > Neuro- und Entwicklungspädiatrie (Weber)
03 Faculty of Medicine > Bereich Kinder- und Jugendheilkunde (Klinik) > Kinder- und Jugendheilkunde (UKBB) > Medizinische Genetik (Miny)
03 Faculty of Medicine > Departement Klinische Forschung > Bereich Kinder- und Jugendheilkunde (Klinik) > Kinder- und Jugendheilkunde (UKBB) > Medizinische Genetik (Miny)
03 Faculty of Medicine > Bereich Kinder- und Jugendheilkunde (Klinik) > Kinder- und Jugendheilkunde (UKBB) > Pädiatrie (Frey)
03 Faculty of Medicine > Departement Klinische Forschung > Bereich Kinder- und Jugendheilkunde (Klinik) > Kinder- und Jugendheilkunde (UKBB) > Pädiatrie (Frey)
UniBasel Contributors:Miny, Peter and Weber, Peter and Heinimann, Karl
Item Type:Article, refereed
Article Subtype:Research Article
Bibsysno:Link to catalogue
Publisher:Wiley-Liss
ISSN:1552-4825
Note:Publication type according to Uni Basel Research Database: Journal article
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Last Modified:19 Jul 2013 07:43
Deposited On:19 Jul 2013 07:34

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