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Risk stratification for Bipolar Disorder using polygenic risk scores among young high-risk adults

<p><bold>Objective:</bold> Identifying high-risk groups with an increased genetic liability for bipolar disorder (BD) will provide insights into the etiology of BD and contribute to early detection of BD. We used the BD polygenic risk score (PRS) derived from BD genome-wide associa...

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Hauptverfasser: Biere, Silvia (VerfasserIn) , Kranz, Thorsten M. (VerfasserIn) , Matura, Silke (VerfasserIn) , Petrova, Kristiyana (VerfasserIn) , Streit, Fabian (VerfasserIn) , Chiocchetti, Andreas G. (VerfasserIn) , Grimm, Oliver (VerfasserIn) , Brum, Murielle (VerfasserIn) , Brunkhorst-Kanaan, Natalie (VerfasserIn) , Oertel-Knöchel, Viola (VerfasserIn) , Malyshau, Aliaksandr (VerfasserIn) , Pfennig, Andrea (VerfasserIn) , Bauer, Michael (VerfasserIn) , Schulze, Thomas G. (VerfasserIn) , Kittel-Schneider, Sarah (VerfasserIn) , Reif, Andreas (VerfasserIn)
Dokumenttyp: Article (Journal)
Sprache:Englisch
Veröffentlicht: 26 October 2020
In: Frontiers in psychiatry
Year: 2020, Jahrgang: 11, Pages: 1-10
ISSN:1664-0640
DOI:10.3389/fpsyt.2020.552532
Online-Zugang:Verlag, kostenfrei, Volltext: https://doi.org/10.3389/fpsyt.2020.552532
Verlag, kostenfrei, Volltext: https://www.frontiersin.org/journals/psychiatry/articles/10.3389/fpsyt.2020.552532/full
Volltext
Verfasserangaben:Silvia Biere, Thorsten M. Kranz, Silke Matura, Kristiyana Petrova, Fabian Streit, Andreas G. Chiocchetti, Oliver Grimm, Murielle Brum, Natalie Brunkhorst-Kanaan, Viola Oertel, Aliaksandr Malyshau, Andrea Pfennig, Michael Bauer, Thomas G. Schulze, Sarah Kittel-Schneider and Andreas Reif
Beschreibung
Zusammenfassung:<p><bold>Objective:</bold> Identifying high-risk groups with an increased genetic liability for bipolar disorder (BD) will provide insights into the etiology of BD and contribute to early detection of BD. We used the BD polygenic risk score (PRS) derived from BD genome-wide association studies (GWAS) to explore how such genetic risk manifests in young, high-risk adults. We postulated that BD-PRS would be associated with risk factors for BD.</p><p><bold>Methods:</bold> A final sample of 185 young, high-risk German adults (aged 18-35 years) were grouped into three risk groups and compared to a healthy control group (<italic>n</italic> = 1,100). The risk groups comprised 117 cases with attention deficit hyperactivity disorder (ADHD), 45 with major depressive disorder (MDD), and 23 help-seeking adults with early recognition symptoms [ER: positive family history for BD, (sub)threshold affective symptomatology and/or mood swings, sleeping disorder]. BD-PRS was computed for each participant. Logistic regression models (controlling for sex, age, and the first five ancestry principal components) were used to assess associations of BD-PRS and the high-risk phenotypes.</p><p><bold>Results:</bold> We observed an association between BD-PRS and combined risk group status (OR = 1.48, <italic>p</italic> < 0.001), ADHD diagnosis (OR = 1.32, <italic>p</italic> = 0.009), MDD diagnosis (OR = 1.96, <italic>p</italic> < 0.001), and ER group status (OR = 1.7, <italic>p</italic> = 0.025; not significant after correction for multiple testing) compared to healthy controls.</p><p><bold>Conclusions:</bold> In the present study, increased genetic risk for BD was a significant predictor for MDD and ADHD status, but not for ER. These findings support an underlying shared risk for both MDD and BD as well as ADHD and BD. Improving our understanding of the underlying genetic architecture of these phenotypes may aid in early identification and risk stratification.</p>
Beschreibung:Gesehen am 12.08.2024
Beschreibung:Online Resource
ISSN:1664-0640
DOI:10.3389/fpsyt.2020.552532

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