Genome-wide gene-environment analyses of major depressive disorder and reported lifetime traumatic experiences in UK Biobank

Coleman, J.; Peyrot, W.J.; Purves, K.L.; Davis, K.; Rayner, C.; Choi, S.W.; Hubel, C.; Gaspar, H.; Kan, C.; Vander der Auwera, S.; Adams, M.; Lyall, D.; Choi, K.; Major Depressive Working Group of the PGC; Dunn, E.; Vassos, E.; Danese, A.; Maughan, B.; Grabe, H.J.; Lewis, C.; O'Reilly, P.F.; McIntosh, A.; Smith, D.; Wray, N.; Hotopf, M.; Eley, T.C.; Breen, G.; Jones, Lisa

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Coleman, J., Peyrot, W.J., Purves, K.L., Davis, K., Rayner, C., Choi, S.W., Hubel, C., Gaspar, H., Kan, C., Vander der Auwera, S., Adams, M., Lyall, D., Choi, K., Major Depressive Working Group of the PGC, Dunn, E., Vassos, E., Danese, A., Maughan, B., Grabe, H.J., Lewis, C., O'Reilly, P.F., McIntosh, A., Smith, D., Wray, N., Hotopf, M., Eley, T.C., Breen, G. and Jones, Lisa ORCID: https://orcid.org/0000-0002-5122-8334 (2020) Genome-wide gene-environment analyses of major depressive disorder and reported lifetime traumatic experiences in UK Biobank. Molecular Psychiatry, 25 (7). pp. 1430-1446. ISSN Print: 1359-4184 Online: 1476-5578

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Abstract:

Depression is more frequent among individuals exposed to traumatic events.Both trauma exposure and depression are heritable. However, the relationship
between these traits, including the role of genetic risk factors, is complex and poorly understood. When modelling trauma exposure as an environmental influence on
depression, both gene-environment correlations and gene-environment interactions have been observed. The UK Biobank concurrently assessed Major Depressive Disorder (MDD) and self-reported lifetime exposure to traumatic events in 126,522 genotyped individuals of European ancestry. We contrasted genetic influences on MDD between individuals reporting and not reporting trauma exposure (final sample
size range: 24,094-92,957). The SNP-based heritability of MDD was greater in participants reporting trauma exposure (24%) than in individuals not reporting trauma exposure taking into account the strong, positive genetic correlation observed between MDD and reported trauma exposure. The genetic correlation between MDD
15 and waist circumference was only significant in individuals reporting trauma exposure (rg = 0.24, p = 1.8x10-7 versus rg = -0.05, p = 0.39 in individuals not
reporting trauma exposure, difference p = 2.3x10-4). Our results suggest that the genetic contribution to MDD is greater when additional risk factors are present, and
that a complex relationship exists between reported trauma exposure, body composition, and MDD.

Additional Information:

Staff and students at the University of Worcester can access the full-text of the online published article via the online Library Search. External users should check availability with their local library or Interlibrary Requests Service.

Following publication of this article, the authors noticed an error in Supplementary Table 1. In the original Supplementary Table 1, one of the criteria for control participants was incorrectly given as ‘Report extensive recent symptoms of depression: less than 14 on summed response (where “not at all” = 1 and “nearly every day” = 4) to recent’. This has now been corrected to: ‘Report extensive recent symptoms of depression: less than 5 on summed response (where “not at all” = 1 and “nearly every day” = 4) to recent’

Uncontrolled Discrete Keywords:

genome-wide, gene environment, major depressive disorder, traumatic experiences, UK Biobank

Subjects:

B Philosophy. Psychology. Religion > BF Psychology
R Medicine > RC Internal medicine > RC0321 Neuroscience. Biological psychiatry. Neuropsychiatry

Legacy Divisions (Admin Only):

College of Health, Life and Environmental Sciences > School of Allied Health and Community

Academic Schools:

School of Health and Wellbeing

Related URLs:

Depositing User:

Katherine Gordon-Smith

Date Deposited: