Clinical characteristics indexing genetic differences in bipolar disorder – a systematic review

van Loo, Hanna M.; de Vries, Ymkje Anna; Taylor, Jacob; Todorovic, Luka; Dollinger, Camille; Kendler, Kenneth S.

doi:10.1038/s41380-023-02297-4

Mol Psychiatry

2023

DOI: 10.1038/s41380-023-02297-4

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Clinical characteristics indexing genetic differences in bipolar disorder – a systematic review

Hanna M. van Loo,

Ymkje Anna de Vries,

Jacob Taylor

et al.

Abstract: Clinical characteristics indexing genetic differences in bipolar disorder van Loo,

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2024

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Polygenic risk scores for mood disorders and actigraphy estimates of sleep and circadian rhythms: A preliminary study in bipolar disorders

Hennion,

Scott,

Martinot

et al. 2024

Journal of Sleep Research

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SummaryIn bipolar disorders, abnormalities of sleep patterns and of circadian rhythms of activity are observed during mood episodes, but also persist during euthymia. Shared vulnerabilities between mood disorders and abnormalities of sleep patterns and circadian rhythms of activity have been suggested. This exploratory study investigated the association between polygenic risk scores for bipolar disorder and major depressive disorder, actigraphy estimates of sleep patterns, and circadian rhythms of activity in a sample of 62 euthymic individuals with bipolar disorder. The polygenic risk score – bipolar disorder and polygenic risk score – major depressive disorder were calculated for three stringent thresholds of significance. Data reduction was applied to aggregate actigraphy measures into dimensions using principal component analysis. A higher polygenic risk score – major depressive disorder was associated with more fragmented sleep, while a higher polygenic risk score – bipolar disorder was associated with a later peak of circadian rhythms of activity. These results remained significant after adjustment for age, sex, bipolar disorder subtype, body mass index, current depressive symptoms, current tobacco use, and medications prescribed at inclusion, but not after correction for multiple testing. In conclusion, the genetic vulnerabilities to major depression and to bipolar disorder might be associated with different abnormalities of sleep patterns and circadian rhythms of activity. The results should be replicated in larger and independent samples.

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Polygenic risk scores for mood disorders and actigraphy estimates of sleep and circadian rhythms: A preliminary study in bipolar disorders

Hennion,

Scott,

Martinot

et al. 2024

Journal of Sleep Research

View full text Add to dashboard Cite

show abstract

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Clinical characteristics indexing genetic differences in bipolar disorder – a systematic review

Abstract: Clinical characteristics indexing genetic differences in bipolar disorder van Loo,

Cited by 1 publication

References 44 publications

Polygenic risk scores for mood disorders and actigraphy estimates of sleep and circadian rhythms: A preliminary study in bipolar disorders

Polygenic risk scores for mood disorders and actigraphy estimates of sleep and circadian rhythms: A preliminary study in bipolar disorders

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