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Key subphenotypes o...
Key subphenotypes of bipolar disorder are differentially associated with polygenic liabilities for bipolar disorder, schizophrenia, and major depressive disorder
- Article/chapterEnglish2024
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LIBRIS-ID:oai:gup.ub.gu.se/335407
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https://gup.ub.gu.se/publication/335407URI
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https://doi.org/10.1038/s41380-024-02448-1DOI
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http://kipublications.ki.se/Default.aspx?queryparsed=id:154943232URI
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Subject category:ref swepub-contenttype
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Subject category:art swepub-publicationtype
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Bipolar disorder (BD) features heterogenous clinical presentation and course of illness. It remains unclear how subphenotypes associate with genetic loadings of BD and related psychiatric disorders. We investigated associations between the subphenotypes and polygenic risk scores (PRS) for BD, schizophrenia, and major depressive disorder (MDD) in two BD cohorts from Sweden (N = 5180) and the UK (N = 2577). Participants were assessed through interviews and medical records for inter-episode remission, psychotic features during mood episodes, global assessment of functioning (GAF, function and symptom burden dimensions), and comorbid anxiety disorders. Meta-analyses based on both cohorts showed that inter-episode remission and GAF-function were positively correlated with BD-PRS but negatively correlated with schizophrenia-PRS (SCZ-PRS) and MDD-PRS. Moreover, BD-PRS was negatively, and MDD-PRS positively, associated with the risk of comorbid anxiety disorders. Finally, SCZ-PRS was positively associated with psychotic symptoms during mood episodes. Assuming a higher PRS of certain psychiatric disorders in cases with a positive family history, we further tested the associations between subphenotypes in index BD people and occurrence of BD, schizophrenia, or MDD in their relatives using Swedish national registries. BD patients with a relative diagnosed with BD had: (1) higher GAF and lower risk of comorbid anxiety than those with a relative diagnosed with schizophrenia or MDD, (2) lower risk of psychotic symptoms than those with a relative diagnosed with schizophrenia. Our findings shed light on the genetic underpinnings of the heterogeneity in clinical manifestations and course of illness in BD, which ultimately provide insights for developing personalized approaches to the diagnosis and treatment.
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Jonsson, Lina,1982Gothenburg University,Göteborgs universitet,Institutionen för neurovetenskap och fysiologi, sektionen för psykiatri och neurokemi,Institute of Neuroscience and Physiology, Department of Psychiatry and Neurochemistry(Swepub:gu)xjliny
(author)
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Lu, YiKarolinska Institutet
(author)
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Bergen, Sarah E.Karolinska Institutet
(author)
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Karlsson, RobertKarolinska Institutet
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Smedler, ErikGothenburg University,Göteborgs universitet,Institutionen för neurovetenskap och fysiologi, sektionen för psykiatri och neurokemi,Institute of Neuroscience and Physiology, Department of Psychiatry and Neurochemistry(Swepub:gu)xsmeer
(author)
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Gordon-Smith, Katherine
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Jones, Ian
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Jones, Lisa
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Craddock, Nick
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Sullivan, Patrick F.Karolinska Institutet
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Lichtenstein, PaulKarolinska Institutet
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Di Florio, Arianna
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Landén, Mikael,1966Karolinska Institutet,Gothenburg University,Göteborgs universitet,Institutionen för neurovetenskap och fysiologi, sektionen för psykiatri och neurokemi,Institute of Neuroscience and Physiology, Department of Psychiatry and Neurochemistry(Swepub:gu)xlandt
(author)
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Göteborgs universitetInstitutionen för neurovetenskap och fysiologi, sektionen för psykiatri och neurokemi
(creator_code:org_t)
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In:MOLECULAR PSYCHIATRY1359-41841476-5578
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Song, Jie
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Jonsson, Lina, 1 ...
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Lu, Yi
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Bergen, Sarah E.
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Karlsson, Robert
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Smedler, Erik
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Gordon-Smith, Ka ...
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Jones, Ian
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Jones, Lisa
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Craddock, Nick
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Sullivan, Patric ...
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Lichtenstein, Pa ...
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Di Florio, Arian ...
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Landén, Mikael, ...
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- MEDICAL AND HEALTH SCIENCES
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MOLECULAR PSYCHI ...
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University of Gothenburg
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Karolinska Institutet