No association between common genetic variation in FOXP2 and language impairment in schizophrenia

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The FOXP2 gene is hypothesised to be involved in schizophrenia by affecting speech and language development. Associations between common single nucleotide polymorphisms (SNPs) in FOXP2 and language have been inconsistent. We tested five previously associated SNPs for association with language in the Western Australian Family Study of Schizophrenia (n = 709, including n = 333 with schizophrenia/spectrum disorder) and found no significant associations. When we included all common FOXP2 variants, one SNP (rs2189008) was nominally associated with language. This is the most comprehensive analysis to date and indicates that common variants in FOXP2 do not play a major role in speech and language development in a clinical family sample.

Original languageEnglish
Pages (from-to)590-597
Number of pages8
JournalPsychiatry Research
Publication statusPublished - Jan 2019

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