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A phenome-wide association and Mendelian Randomisation study of polygenic risk for depression in UK Biobank.


ABSTRACT: Depression is a leading cause of worldwide disability but there remains considerable uncertainty regarding its neural and behavioural associations. Here, using non-overlapping Psychiatric Genomics Consortium (PGC) datasets as a reference, we estimate polygenic risk scores for depression (depression-PRS) in a discovery (N?=?10,674) and replication (N?=?11,214) imaging sample from UK Biobank. We report 77 traits that are significantly associated with depression-PRS, in both discovery and replication analyses. Mendelian Randomisation analysis supports a potential causal effect of liability to depression on brain white matter microstructure (?: 0.125 to 0.868, pFDR?

SUBMITTER: Shen X 

PROVIDER: S-EPMC7210889 | biostudies-literature | 2020 May

REPOSITORIES: biostudies-literature

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A phenome-wide association and Mendelian Randomisation study of polygenic risk for depression in UK Biobank.

Shen Xueyi X   Howard David M DM   Adams Mark J MJ   Hill W David WD   Clarke Toni-Kim TK   Deary Ian J IJ   Whalley Heather C HC   McIntosh Andrew M AM  

Nature communications 20200508 1


Depression is a leading cause of worldwide disability but there remains considerable uncertainty regarding its neural and behavioural associations. Here, using non-overlapping Psychiatric Genomics Consortium (PGC) datasets as a reference, we estimate polygenic risk scores for depression (depression-PRS) in a discovery (N = 10,674) and replication (N = 11,214) imaging sample from UK Biobank. We report 77 traits that are significantly associated with depression-PRS, in both discovery and replicati  ...[more]

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