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Cai, N. ; Revez, J.A.* ; Adams, M.J.* ; Andlauer, T.F.M.* ; Breen, G.* ; Byrne, E.M.* ; Clarke, T.K.* ; Forstner, A.J.* ; Grabe, H.J.* ; Hamilton, S.P.* ; Levinson, D.F.* ; Lewis, C.M.* ; Lewis, G.* ; Martin, N.G.* ; Milaneschi, Y.* ; Mors, O.* ; Müller-Myhsok, B.* ; Penninx, B.W.J.H.* ; Perlis, R.H.* ; Pistis, G.* ; Potash, J.B.* ; Preisig, M.* ; Shi, J.* ; Smoller, J.W.* ; Streit, F.* ; Tiemeier, H.* ; Uher, R.* ; Van der Auwera, S.* ; Viktorin, A.* ; Weissman, M.M.* ; Kendler, K.S.* ; Flint, J.*

Minimal phenotyping yields genome-wide association signals of low specificity for major depression.

Nat. Genet. 52, 437-447 (2020)
Postprint DOI
Open Access Green
Minimal phenotyping refers to the reliance on the use of a small number of self-reported items for disease case identification, increasingly used in genome-wide association studies (GWAS). Here we report differences in genetic architecture between depression defined by minimal phenotyping and strictly defined major depressive disorder (MDD): the former has a lower genotype-derived heritability that cannot be explained by inclusion of milder cases and a higher proportion of the genome contributing to this shared genetic liability with other conditions than for strictly defined MDD. GWAS based on minimal phenotyping definitions preferentially identifies loci that are not specific to MDD, and, although it generates highly predictive polygenic risk scores, the predictive power can be explained entirely by large sample sizes rather than by specificity for MDD. Our results show that reliance on results from minimal phenotyping may bias views of the genetic architecture of MDD and impede the ability to identify pathways specific to MDD.Genetic analyses of depression based on minimal phenotyping identify nonspecific genetic risk factors shared between major depressive disorder (MDD) and other psychiatric conditions, suggesting that this approach may have limited ability to identify pathways specific to MDD.
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Publikationstyp Artikel: Journalartikel
Dokumenttyp Wissenschaftlicher Artikel
Schlagwörter Stressful Life Events; Genetic Architecture; Mental-health; Risk-factors; Psychiatric-disorders; United-states; Field Trials; Heritability; Loci; Symptoms
ISSN (print) / ISBN 1061-4036
e-ISSN 1546-1718
Zeitschrift Nature Genetics
Quellenangaben Band: 52, Heft: 4, Seiten: 437-447 Artikelnummer: , Supplement: ,
Verlag Nature Publishing Group
Verlagsort New York, NY
Begutachtungsstatus Peer reviewed
Institut(e) Helmholtz Pioneer Campus (HPC)