Investigation of the Role of TCF4 Rare Sequence Variants in Schizophrenia

Basmanav, F. Buket and Forstner, Andreas J. and Fier, Heide and Herms, Stefan and Meier, Sandra and Degenhardt, Franziska and Hoffmann, Per and Barth, Sandra and Fricker, Nadine and Strohmaier, Jana and Witt, Stephanie H. and Ludwig, Michael and Schmael, Christine and Moebus, Susanne and Maier, Wolfgang and Mössner, Rainald and Rujescu, Dan and Rietschel, Marcella and Lange, Christoph and Nöthen, Markus M. and Cichon, Sven. (2015) Investigation of the Role of TCF4 Rare Sequence Variants in Schizophrenia. American Journal of Medical Genetics, Part B: Neuropsychiatric Genetics, 168B (5). pp. 354-362.

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Official URL: https://edoc.unibas.ch/61527/

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Transcription factor 4 (TCF4) is one of the most robust of all reported schizophrenia risk loci and is supported by several genetic and functional lines of evidence. While numerous studies have implicated common genetic variation at TCF4 in schizophrenia risk, the role of rare, small-sized variants at this locus-such as single nucleotide variants and short indels which are below the resolution of chip-based arrays requires further exploration. The aim of the present study was to investigate the association between rare TCF4 sequence variants and schizophrenia. Exon-targeted resequencing was performed in 190 German schizophrenia patients. Six rare variants at the coding exons and flanking sequences of the TCF4 gene were identified, including two missense variants and one splice site variant. These six variants were then pooled with nine additional rare variants identified in 379 European participants of the 1000 Genomes Project, and all 15 variants were genotyped in an independent German sample (n = 1,808 patients; n = 2,261 controls). These data were then analyzed using six statistical methods developed for the association analysis of rare variants. No significant association (P > 0.05) was found. However, the results from our association and power analyses suggest that further research into the possible involvement of rare TCF4 sequence variants in schizophrenia risk is warranted by the assessment of larger cohorts with higher statistical power to identify rare variant associations.
Faculties and Departments:03 Faculty of Medicine > Departement Biomedizin > Department of Biomedicine, University Hospital Basel > Human Genetics (Cichon)
UniBasel Contributors:Cichon, Sven
Item Type:Article, refereed
Article Subtype:Research Article
Publisher:Wiley-Blackwell - STM
Note:Publication type according to Uni Basel Research Database: Journal article
Identification Number:
Last Modified:10 Jul 2018 16:41
Deposited On:10 Jul 2018 16:41

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