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https://hdl.handle.net/2440/104929
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Type: | Journal article |
Title: | The association between lower educational attainment and depression owing to shared genetic effects? Results in ∼25 000 subjects |
Author: | Peyrot, W. Lee, S. Milaneschi, Y. Abdellaoui, A. Byrne, E. Esko, T. De Geus, E. Hemani, G. Hottenga, J. Kloiber, S. Levinson, D. Lucae, S. Martin, N. Medland, S. Metspalu, A. Milani, L. Noethen, M. Potash, J. Rietschel, M. Rietveld, C. et al. |
Citation: | Molecular Psychiatry, 2015; 20(6):735-743 |
Publisher: | Nature Publishing Group |
Issue Date: | 2015 |
ISSN: | 1359-4184 1476-5578 |
Statement of Responsibility: | WJ Peyrot, SH Lee, Y Milaneschi, A Abdellaoui, EM Byrne, T Esko, EJC de Geus, G Hemani, JJ Hottenga, S Kloiber, DF Levinson, S Lucae, Major Depressive Disorder Working Group of the Psychiatric GWAS Consortium, Corporate Collaborator, NG Martin, SE Medland, A Metspalu, L Milani, MM Noethen, JB Potash, M Rietschel, CA Rietveld, S Ripke, J Shi, Social Science Genetic Association Consortium, Corporate Collaborator, G Willemsen, Z Zhu, DI Boomsma, NR Wray, and BWJH Penninx |
Abstract: | An association between lower educational attainment (EA) and an increased risk for depression has been confirmed in various western countries. This study examines whether pleiotropic genetic effects contribute to this association. Therefore, data were analyzed from a total of 9662 major depressive disorder (MDD) cases and 14 949 controls (with no lifetime MDD diagnosis) from the Psychiatric Genomics Consortium with additional Dutch and Estonian data. The association of EA and MDD was assessed with logistic regression in 15 138 individuals indicating a significantly negative association in our sample with an odds ratio for MDD 0.78 (0.75–0.82) per standard deviation increase in EA. With data of 884 105 autosomal common single-nucleotide polymorphisms (SNPs), three methods were applied to test for pleiotropy between MDD and EA: (i) genetic profile risk scores (GPRS) derived from training data for EA (independent meta-analysis on ~120 000 subjects) and MDD (using a 10-fold leave-one-out procedure in the current sample), (ii) bivariate genomic-relationship-matrix restricted maximum likelihood (GREML) and (iii) SNP effect concordance analysis (SECA). With these methods, we found (i) that the EA-GPRS did not predict MDD status, and MDD-GPRS did not predict EA, (ii) a weak negative genetic correlation with bivariate GREML analyses, but this correlation was not consistently significant, (iii) no evidence for concordance of MDD and EA SNP effects with SECA analysis. To conclude, our study confirms an association of lower EA and MDD risk, but this association was not because of measurable pleiotropic genetic effects, which suggests that environmental factors could be involved, for example, socioeconomic status. |
Keywords: | Major Depressive Disorder Working Group of the Psychiatric GWAS Consortium (Corporate Collaborator) Social Science Genetic Association Consortium Corporate Collaborator Major Depressive Disorder Working Group of the Psychiatric GWAS Consortium Corporate Collaborator |
Description: | Debbie A Lawlor and Lyle J Palmer are members of the Social Science Genetic Association Consortium (SSGAC). |
Rights: | © 2015 Macmillan Publishers Limited |
DOI: | 10.1038/mp.2015.50 |
Grant ID: | http://purl.org/au-research/grants/arc/FT0991360 http://purl.org/au-research/grants/arc/DE130100614 http://purl.org/au-research/grants/nhmrc/613608 http://purl.org/au-research/grants/nhmrc/1011506 http://purl.org/au-research/grants/nhmrc/1047956 http://purl.org/au-research/grants/nhmrc/241944 http://purl.org/au-research/grants/nhmrc/339462 http://purl.org/au-research/grants/nhmrc/389927 http://purl.org/au-research/grants/nhmrc/389875 http://purl.org/au-research/grants/nhmrc/389891 http://purl.org/au-research/grants/nhmrc/389892 http://purl.org/au-research/grants/nhmrc/389938 http://purl.org/au-research/grants/nhmrc/442915 http://purl.org/au-research/grants/nhmrc/442981 http://purl.org/au-research/grants/nhmrc/496675 http://purl.org/au-research/grants/nhmrc/496739 http://purl.org/au-research/grants/nhmrc/552485 http://purl.org/au-research/grants/nhmrc/552498 http://purl.org/au-research/grants/nhmrc/613602 http://purl.org/au-research/grants/nhmrc/613674 http://purl.org/au-research/grants/nhmrc/619667 MH086026 MH081802 FT0991022 03ZIK012 U01 DK066134 313010 |
Published version: | http://dx.doi.org/10.1038/mp.2015.50 |
Appears in Collections: | Aurora harvest 8 Medicine publications |
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