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dc.contributor.authorBang, Lasse
dc.contributor.authorBahrami, Shahram
dc.contributor.authorHindley, Guy
dc.contributor.authorSmeland, Olav Bjerkehagen
dc.contributor.authorRødevand, Linn
dc.contributor.authorJaholkowski, Piotr Pawel
dc.contributor.authorShadrin, Alexey
dc.contributor.authorO'Connell, Kevin Sean
dc.contributor.authorFrei, Oleksandr
dc.contributor.authorLin, Aihua
dc.contributor.authorRahman, Zillur
dc.contributor.authorCheng, Weiqiu
dc.contributor.authorParker, Nadine
dc.contributor.authorFan, Chun C.
dc.contributor.authorDale, Anders M.
dc.contributor.authorDjurovic, Srdjan
dc.contributor.authorBulik, Cynthia M.
dc.contributor.authorAndreassen, Ole
dc.description.abstractAnorexia nervosa (AN) is a heritable eating disorder (50–60%) with an array of commonly comorbid psychiatric disorders and related traits. Although significant genetic correlations between AN and psychiatric disorders and related traits have been reported, their shared genetic architecture is largely understudied. We investigated the shared genetic architecture of AN and schizophrenia (SCZ), bipolar disorder (BIP), major depression (MD), mood instability (Mood), neuroticism (NEUR), and intelligence (INT). We applied the conditional false discovery rate (FDR) method to identify novel risk loci for AN, and conjunctional FDR to identify loci shared between AN and related phenotypes, to summarize statistics from relevant genome-wide association studies (GWAS). Individual GWAS samples varied from 72,517 to 420,879 participants. Using conditional FDR we identified 58 novel AN loci. Furthermore, we identified 38 unique loci shared between AN and major psychiatric disorders (SCZ, BIP, and MD) and 45 between AN and psychological traits (Mood, NEUR, and INT). In line with genetic correlations, the majority of shared loci showed concordant effect directions. Functional analyses revealed that the shared loci are involved in 65 unique pathways, several of which overlapped across analyses, including the “signal by MST1” pathway involved in Hippo signaling. In conclusion, we demonstrated genetic overlap between AN and major psychiatric disorders and related traits, and identified novel risk loci for AN by leveraging this overlap. Our results indicate that some shared characteristics between AN and related disorders and traits may have genetic underpinnings.en_US
dc.rightsNavngivelse 4.0 Internasjonal*
dc.titleGenome-wide analysis of anorexia nervosa and major psychiatric disorders and related traits reveals genetic overlap and identifies novel risk loci for anorexia nervosaen_US
dc.typeJournal articleen_US
dc.typePeer revieweden_US
dc.rights.holderCopyright 2023 The Author(s)en_US
dc.source.journalTranslational Psychiatryen_US
dc.identifier.citationTranslational Psychiatry. 2023, 13, 291.en_US

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