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Mosaic copy number variation in schizophrenia
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2013 (English)In: European Journal of Human Genetics, ISSN 1018-4813, E-ISSN 1476-5438, Vol. 21, no 9, 1007-1011 p.Article in journal (Refereed) Published
Abstract [en]

Recent reports suggest that somatic structural changes occur in the human genome, but how these genomic alterations might contribute to disease is unknown. Using samples collected as part of the International Schizophrenia Consortium (schizophrenia, n = 3518; control, n = 4238) recruited across multiple university research centers, we assessed single-nucleotide polymorphism genotyping arrays for evidence of chromosomal anomalies. Data from genotyping arrays on each individual were processed using Birdsuite and analyzed with PLINK. We validated potential chromosomal anomalies using custom nanostring probes and quantitative PCR. We estimate chromosomal alterations in the schizophrenia population to be 0.42%, which is not significantly different from controls (0.26%). We identified and validated a set of four extremely large (>10 Mb) chromosomal anomalies in subjects with schizophrenia, including a chromosome 8 trisomy and deletion of the q arm of chromosome 7. These data demonstrate that chromosomal anomalies are present at low frequency in blood cells of both control and schizophrenia subjects.

Place, publisher, year, edition, pages
2013. Vol. 21, no 9, 1007-1011 p.
Keyword [en]
schizophrenia, copy number variation, mosaic, SNP microarrays
National Category
Medical and Health Sciences
URN: urn:nbn:se:uu:diva-207503DOI: 10.1038/ejhg.2012.287ISI: 000323281400018OAI: oai:DiVA.org:uu-207503DiVA: diva2:648832
Available from: 2013-09-17 Created: 2013-09-16 Last updated: 2013-09-17Bibliographically approved

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Psychiatry, Ulleråker, University Hospital
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European Journal of Human Genetics
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