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024 7 _ |a 10.1093/schbul/sbz061
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024 7 _ |a 0586-7614
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037 _ _ |a DZNE-2020-01178
041 _ _ |a English
082 _ _ |a 610
100 1 _ |a Richards, Alexander L
|0 0000-0003-3218-7247
|b 0
245 _ _ |a The Relationship Between Polygenic Risk Scores and Cognition in Schizophrenia
260 _ _ |a Oxford
|c 2019
|b Oxford Univ. Press
264 _ 1 |3 online
|2 Crossref
|b Oxford University Press (OUP)
|c 2019-06-17
336 7 _ |a article
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336 7 _ |a Output Types/Journal article
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336 7 _ |a Journal Article
|b journal
|m journal
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|s 1601038318_8431
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336 7 _ |a ARTICLE
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336 7 _ |a JOURNAL_ARTICLE
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336 7 _ |a Journal Article
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520 _ _ |a BackgroundCognitive impairment is a clinically important feature of schizophrenia. Polygenic risk score (PRS) methods have demonstrated genetic overlap between schizophrenia, bipolar disorder (BD), major depressive disorder (MDD), educational attainment (EA), and IQ, but very few studies have examined associations between these PRS and cognitive phenotypes within schizophrenia cases.MethodsWe combined genetic and cognitive data in 3034 schizophrenia cases from 11 samples using the general intelligence factor g as the primary measure of cognition. We used linear regression to examine the association between cognition and PRS for EA, IQ, schizophrenia, BD, and MDD. The results were then meta-analyzed across all samples. A genome-wide association studies (GWAS) of cognition was conducted in schizophrenia cases.ResultsPRS for both population IQ (P = 4.39 × 10–28) and EA (P = 1.27 × 10–26) were positively correlated with cognition in those with schizophrenia. In contrast, there was no association between cognition in schizophrenia cases and PRS for schizophrenia (P = .39), BD (P = .51), or MDD (P = .49). No individual variant approached genome-wide significance in the GWAS.ConclusionsCognition in schizophrenia cases is more strongly associated with PRS that index cognitive traits in the general population than PRS for neuropsychiatric disorders. This suggests the mechanisms of cognitive variation within schizophrenia are at least partly independent from those that predispose to schizophrenia diagnosis itself. Our findings indicate that this cognitive variation arises at least in part due to genetic factors shared with cognitive performance in populations and is not solely due to illness or treatment-related factors, although our findings are consistent with important contributions from these factors.
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542 _ _ |i 2019-06-17
|2 Crossref
|u http://creativecommons.org/licenses/by/4.0/
588 _ _ |a Dataset connected to CrossRef
650 _ 2 |a Bipolar Disorder: genetics
|2 MeSH
650 _ 2 |a Datasets as Topic
|2 MeSH
650 _ 2 |a Depressive Disorder, Major: genetics
|2 MeSH
650 _ 2 |a Educational Status
|2 MeSH
650 _ 2 |a Genome-Wide Association Study
|2 MeSH
650 _ 2 |a Humans
|2 MeSH
650 _ 2 |a Intelligence: genetics
|2 MeSH
650 _ 2 |a Multifactorial Inheritance
|2 MeSH
650 _ 2 |a Psychotic Disorders: genetics
|2 MeSH
650 _ 2 |a Schizophrenia: genetics
|2 MeSH
700 1 _ |a Pardiñas, Antonio F
|b 1
700 1 _ |a Frizzati, Aura
|b 2
700 1 _ |a Tansey, Katherine E
|b 3
700 1 _ |a Lynham, Amy J
|0 0000-0002-3189-6888
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700 1 _ |a Holmans, Peter
|b 5
700 1 _ |a Legge, Sophie E
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700 1 _ |a Savage, Jeanne E
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700 1 _ |a Agartz, Ingrid
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700 1 _ |a Andreassen, Ole A
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700 1 _ |a Blokland, Gabriella A M
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700 1 _ |a Corvin, Aiden
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700 1 _ |a Cosgrove, Donna
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700 1 _ |a Degenhardt, Franziska
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700 1 _ |a Djurovic, Srdjan
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700 1 _ |a Espeseth, Thomas
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700 1 _ |a Ferraro, Laura
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700 1 _ |a Gayer-Anderson, Charlotte
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700 1 _ |a Giegling, Ina
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700 1 _ |a van Haren, Neeltje E
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700 1 _ |a Hartmann, Annette M
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700 1 _ |a Hubert, John J
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700 1 _ |a Jönsson, Erik G
|b 22
700 1 _ |a Konte, Bettina
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700 1 _ |a Lennertz, Leonhard
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700 1 _ |a Olde Loohuis, Loes M
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700 1 _ |a Melle, Ingrid
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700 1 _ |a Morgan, Craig
|b 27
700 1 _ |a Morris, Derek W
|b 28
700 1 _ |a Murray, Robin M
|b 29
700 1 _ |a Nyman, Håkan
|b 30
700 1 _ |a Ophoff, Roel A
|b 31
700 1 _ |a van Os, Jim
|b 32
700 1 _ |a Petryshen, Tracey L
|b 33
700 1 _ |a Quattrone, Diego
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700 1 _ |a Rietschel, Marcella
|b 35
700 1 _ |a Rujescu, Dan
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700 1 _ |a Rutten, Bart P F
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700 1 _ |a Streit, Fabian
|b 38
700 1 _ |a Strohmaier, Jana
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700 1 _ |a Sullivan, Patrick F
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700 1 _ |a Sundet, Kjetil
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700 1 _ |a Wagner, Michael
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|u dzne
700 1 _ |a Escott-Price, Valentina
|b 43
700 1 _ |a Owen, Michael J
|b 44
700 1 _ |a Donohoe, Gary
|b 45
700 1 _ |a O’Donovan, Michael C
|b 46
700 1 _ |a Walters, James T R
|0 P:(DE-HGF)0
|b 47
|e Corresponding author
773 1 8 |a 10.1093/schbul/sbz061
|b : Oxford University Press (OUP), 2019-06-17
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|t Schizophrenia Bulletin
|y 2019
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773 _ _ |a 10.1093/schbul/sbz061
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LibraryCollectionCLSMajorCLSMinorLanguageAuthor
Marc 21