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Analysis of neurogranin (NRGN) in schizophrenia

Smith, Rhodri L., Knight, Deborah, Williams, Hywel John, Dwyer, Sarah Lynne, Richards, Alexander, Kirov, George, O'Donovan, Michael Conlon and Owen, Michael John 2011. Analysis of neurogranin (NRGN) in schizophrenia. American Journal of Medical Genetics Part B: Neuropsychiatric Genetics 156B (5) , pp. 532-535. 10.1002/ajmg.b.31191

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A recent study reported a genome-wide significant association between schizophrenia and rs12807809-a SNP located approximately 3 kbp upstream of the neurogranin gene (NRGN). We sought to determine if (a) NRGN contains common exonic variants or variants affecting expression (eQTLs) that could account for the association with rs12807809 and (b) there exist rare non-synonymous highly penetrant variants that could potentially confer high risk of schizophrenia. We sequenced all four exons of NRGN in a screening set of 14 individuals but found no novel common polymorphisms. We additionally sequenced the coding exons in up to 1,113 individuals (699 cases) but this revealed only a singleton-coding variant in exon 2 (G246T leading to Gly-55 → Val amino acid change) in which prediction of function analysis suggested is likely to be benign. Finally, analysis of a brain expression dataset of at least 130 individuals did not identify any eQTLs that were correlated with associated SNP rs12807809 following correction for multiple testing.

Item Type: Article
Date Type: Publication
Status: Published
Schools: MRC Centre for Neuropsychiatric Genetics and Genomics (CNGG)
Neuroscience and Mental Health Research Institute (NMHRI)
Subjects: Q Science > QH Natural history > QH426 Genetics
R Medicine > RC Internal medicine > RC0321 Neuroscience. Biological psychiatry. Neuropsychiatry
Uncontrolled Keywords: neurogranin; sequencing; GWAS; schizophrenia; case-control
Publisher: Wiley
ISSN: 15524841
Last Modified: 06 Sep 2020 15:01

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