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Träfflista för sökning "WFRF:(Melle Ingrid) srt2:(2009)"

Sökning: WFRF:(Melle Ingrid) > (2009)

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  • Jonsson, Erik G., et al. (författare)
  • DTNBP1, NRG1, DAOA, DAO and GRM3 Polymorphisms and Schizophrenia : An Association Study
  • 2009
  • Ingår i: Neuropsychobiology. - : S. Karger AG. - 0302-282X .- 1423-0224. ; 59:3, s. 142-150
  • Tidskriftsartikel (refereegranskat)abstract
    • Background: Several studies of the dystrobrevin-binding protein 1 gene (DTNBP1), neuregulin 1 (NRG1), D-amino-acid oxidase (DAO), DAO activator (DAOA, G72), and metabotropic glutamate receptor 3 (GRM3) genes have suggested an association between variants of these genes and schizophrenia. Methods: In a replication attempt, single-nucleotide polymorphisms of the DTNBP1, NRG1, DAO, DAOA, and GRM3 genes were analyzed in three independent Scandinavian schizophrenia case-control samples. Results: One DTNBP1 and three GRM3 single-nucleotide polymorphisms showed nominal significant associations to the disease. However, after correction for multiple testing, there were no statistically significant allele, genotype or haplotype case-control differences. Conclusions: The present Scandinavian results do not verify previous associations between the analyzed DTNBP1, NRG1, DAO, DAOA, and GRM3 gene polymorphisms and schizophrenia. Additional studies and meta-analyses are warranted to shed further light on these relationships. Copyright (C) 2009 S. Karger AG, Basel
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  • Welander-Vatn, Audun S, et al. (författare)
  • No altered dorsal anterior cingulate activation in bipolar II disorder patients during a Go/No-go task : an fMRI study.
  • 2009
  • Ingår i: Bipolar Disorders. - 1398-5647 .- 1399-5618. ; 11:3, s. 270-279
  • Tidskriftsartikel (refereegranskat)abstract
    • OBJECTIVES: It has been reported that one of the core features in patients with bipolar disorder II (BD II) is increased impulsivity. The aim of this study was to investigate whether patients with BD II showed decreased activation in the dorsal anterior cingulate cortex (dACC) as compared to healthy controls when performing a task sensitive to impulsivity.METHODS: Twenty-seven BD II patients and 28 healthy controls performed a Go/No-go task during a functional magnetic resonance imaging (fMRI) session. Eleven of the patients were unmedicated, and possible group differences between medicated and unmedicated patients were also assessed. Results: The groups did not differ in behavioral performance on the Go/No-go task. Both BD II subjects and healthy controls demonstrated dACC activity during the task, and analyses revealed no statistically significant group differences. Medicated and unmedicated patients also did not differ in the degree of fMRI activation.CONCLUSIONS: These findings do not support the hypothesis of abnormal dACC activity during a Go/No-go task in BD II patients.
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