Document Detail


Deletions in 16p13 including GRIN2A in patients with intellectual disability, various dysmorphic features, and seizure disorders of the rolandic region.
MedLine Citation:
PMID:  20384727     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
Seizure disorders of the rolandic region comprise a spectrum of different epilepsy syndromes ranging from benign rolandic epilepsy to more severe seizure disorders including atypical benign partial epilepsy/pseudo-Lennox syndrome,electrical status epilepticus during sleep, and Landau-Kleffner syndrome. Centrotemporal spikes are the unifying electroencephalographic hallmark of these benign focal epilepsies, indicating a pathophysiologic relationship between the various epilepsies arising from the rolandic region. The etiology of these epilepsies is elusive, but a genetic component is assumed given the heritability of the characteristic electrographic trait. Herein we report on three patients with intellectual disability, various dysmorphic features, and epilepsies involving the rolandic region, carrying previously undescribed deletions in 16p13. The only gene located in the critical region shared by all three patients is GRIN2A coding for the alpha-2 subunit of the neuronal N-methyl-D-aspartate(NMDA) receptor.
Authors:
Constanze Reutlinger; Ingo Helbig; Barbara Gawelczyk; Jose Ignacio Martin Subero; Holger Tönnies; Hiltrud Muhle; Katrin Finsterwalder; Sascha Vermeer; Rolph Pfundt; Jürgen Sperner; Irina Stefanova; Gabriele Gillessen-Kaesbach; Sarah von Spiczak; Andreas van Baalen; Rainer Boor; Reiner Siebert; Ulrich Stephani; Almuth Caliebe
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  Epilepsia     Volume:  51     ISSN:  1528-1167     ISO Abbreviation:  Epilepsia     Publication Date:  2010 Sep 
Date Detail:
Created Date:  2010-09-27     Completed Date:  2010-10-15     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  2983306R     Medline TA:  Epilepsia     Country:  United States    
Other Details:
Languages:  eng     Pagination:  1870-3     Citation Subset:  IM    
Affiliation:
Northern German Epilepsy Center for Children and Adolescents, Raisdorf, Germany.
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MeSH Terms
Descriptor/Qualifier:
Abnormalities, Multiple / genetics*
Adult
Age of Onset
Child
Chromosomes, Human, Pair 16 / genetics*
Electroencephalography / statistics & numerical data
Epilepsies, Partial / genetics
Epilepsy / genetics*
Epilepsy, Rolandic / genetics*
Humans
Landau-Kleffner Syndrome / genetics
Mental Retardation / genetics*
Phenotype
Receptors, Glutamate / genetics
Receptors, N-Methyl-D-Aspartate / genetics
Sequence Deletion / genetics*
Status Epilepticus / genetics
Syndrome
Chemical
Reg. No./Substance:
0/N-methyl D-aspartate receptor subtype 2A; 0/Receptors, Glutamate; 0/Receptors, N-Methyl-D-Aspartate

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