Comparative genome hybridization suggests a role for NRXN1 and APBA2 in schizophrenia.

Comparative genome hybridization suggests a role for NRXN1 and APBA2 in schizophrenia. Research Abstract Details 

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Comparative genome hybridization suggests a role for NRXN1 and APBA2 in schizophrenia. Abstract Text:

George Kirov,Dilihan Gumus,Wei Chen,Nadine Norton,Lyudmila Georgieva,Murat Sari,Michael C O'Donovan,Fikret Erdogan,Michael J Owen,Hans-Hilger Ropers,Reinhard Ullmann,George Kirov,Dilihan Gumus,Wei Chen,Nadine Norton,Lyudmila Georgieva,Murat Sari,Michael C O'Donovan,Fikret Erdogan,Michael J Owen,Hans-Hilger Ropers,Reinhard Ullmann,

Copy number variations (CNVs) account for a substantial proportion of human genomic variation, and have been shown to cause neurodevelopmental disorders. We sought to determine the relevance of CNVs to the aetiology of schizophrenia (SZ). Whole-genome, high-resolution, tiling path BAC array comparative genomic hybridization (array CGH) was employed to test DNA from 93 individuals with DSM-IV SZ. Common DNA copy number changes that are unlikely to be directly pathogenic in SZ were filtered out by comparison to a reference dataset of 372 control individuals analyzed in our laboratory, and a screen against the Database of Genomic Variants. The remaining aberrations were validated with Affymetrix 250K SNP arrays or 244K Agilent oligo-arrays and tested for inheritance from the parents. A total of 13 aberrations satisfied our criteria. Two of them are very likely to be pathogenic. The first one is a deletion at 2p16.3 that was present in an affected sibling and disrupts NRXN1. The second one is a de novo duplication at 15q13.1 spanning APBA2. The proteins of these two genes interact directly and play a role in synaptic development and function. Both genes have been affected by CNVs in patients with autism and mental retardation, but neither has been previously implicated in SZ.

Comparative genome hybridization suggests a role for NRXN1 and APBA2 in schizophrenia. Publishing Authors By Initials

G Kirov,D Gumus,W Chen,N Norton,L Georgieva,M Sari,MC O'Donovan,F Erdogan,MJ Owen,HH Ropers,R Ullmann,G Kirov,D Gumus,W Chen,N Norton,L Georgieva,M Sari,MC O'Donovan,F Erdogan,MJ Owen,HH Ropers,R Ullmann,

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Comparative genome hybridization suggests a role for NRXN1 and APBA2 in schizophrenia. Journal Published:

PUBLICATION TYPE: Journal Article

Journal: Human molecular genetics

VOLUME: 17

Page Numbers: 458-65

Journal Abbreviation: Hum. Mol. Genet.

ISSN: 0964-6906

DAY: 6

MONTH: 11

YEAR: 2007

Comparative genome hybridization suggests a role for NRXN1 and APBA2 in schizophrenia. Information

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LANGUAGE: eng

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AFFILIATION: The authors wish it to be known that, in their opinion, the first two authors should be regarded as joint First Authors.

Country: England

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MEDLINETA: Hum Mol Genet

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