Psychosocial moderation of polygenic risk for cannabis involvement: the role of trauma exposure and frequency of religious service attendance

Jacquelyn L. Meyers, Jessica E. Salvatore, Fazil Aliev, Emma C. Johnson, Vivia V. McCutcheon, Jinni Su, Sally I.Chun Kuo, Dongbing Lai, Leah Wetherill, Jen C. Wang, Grace Chan, Victor Hesselbrock, Tatiana Foroud, Kathleen K. Bucholz, Howard J. Edenberg, Danielle M. Dick, Bernice Porjesz, Arpana Agrawal

Research output: Contribution to journalArticle

Abstract

Cannabis use and disorders (CUD) are influenced by multiple genetic variants of small effect and by the psychosocial environment. However, this information has not been effectively incorporated into studies of gene–environment interaction (GxE). Polygenic risk scores (PRS) that aggregate the effects of genetic variants can aid in identifying the links between genetic risk and psychosocial factors. Using data from the Pasman et al. GWAS of cannabis use (meta-analysis of data from the International Cannabis Consortium and UK Biobank), we constructed PRS in the Collaborative Study on the Genetics of Alcoholism (COGA) participants of European (N: 7591) and African (N: 3359) ancestry. The primary analyses included only individuals of European ancestry, reflecting the ancestral composition of the discovery GWAS from which the PRS was derived. Secondary analyses included the African ancestry sample. Associations of PRS with cannabis use and DSM-5 CUD symptom count (CUDsx) and interactions with trauma exposure and frequency of religious service attendance were examined. Models were adjusted for sex, birth cohort, genotype array, and ancestry. Robustness models were adjusted for cross-term interactions. Higher PRS were associated with a greater likelihood of cannabis use and with CUDsx among participants of European ancestry (p < 0.05 and p < 0.1 thresholds, respectively). PRS only influenced cannabis use among those exposed to trauma (R2: 0.011 among the trauma exposed vs. R2: 0.002 in unexposed). PRS less consistently influenced cannabis use among those who attend religious services less frequently; PRS × religious service attendance effects were attenuated when cross-term interactions with ancestry and sex were included in the model. Polygenic liability to cannabis use was related to cannabis use and, less robustly, progression to symptoms of CUD. This study provides the first evidence of PRS × trauma for cannabis use and demonstrates that ignoring important aspects of the psychosocial environment may mask genetic influences on polygenic traits.

Original languageEnglish (US)
Article number269
JournalTranslational psychiatry
Volume9
Issue number1
DOIs
StatePublished - Dec 1 2019

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Cannabis
Wounds and Injuries
Genome-Wide Association Study
Multifactorial Inheritance
Masks
Alcoholism
Meta-Analysis
Genotype
Parturition
Psychology

ASJC Scopus subject areas

  • Psychiatry and Mental health
  • Cellular and Molecular Neuroscience
  • Biological Psychiatry

Cite this

Psychosocial moderation of polygenic risk for cannabis involvement : the role of trauma exposure and frequency of religious service attendance. / Meyers, Jacquelyn L.; Salvatore, Jessica E.; Aliev, Fazil; Johnson, Emma C.; McCutcheon, Vivia V.; Su, Jinni; Kuo, Sally I.Chun; Lai, Dongbing; Wetherill, Leah; Wang, Jen C.; Chan, Grace; Hesselbrock, Victor; Foroud, Tatiana; Bucholz, Kathleen K.; Edenberg, Howard J.; Dick, Danielle M.; Porjesz, Bernice; Agrawal, Arpana.

In: Translational psychiatry, Vol. 9, No. 1, 269, 01.12.2019.

Research output: Contribution to journalArticle

Meyers, JL, Salvatore, JE, Aliev, F, Johnson, EC, McCutcheon, VV, Su, J, Kuo, SIC, Lai, D, Wetherill, L, Wang, JC, Chan, G, Hesselbrock, V, Foroud, T, Bucholz, KK, Edenberg, HJ, Dick, DM, Porjesz, B & Agrawal, A 2019, 'Psychosocial moderation of polygenic risk for cannabis involvement: the role of trauma exposure and frequency of religious service attendance', Translational psychiatry, vol. 9, no. 1, 269. https://doi.org/10.1038/s41398-019-0598-z
Meyers, Jacquelyn L. ; Salvatore, Jessica E. ; Aliev, Fazil ; Johnson, Emma C. ; McCutcheon, Vivia V. ; Su, Jinni ; Kuo, Sally I.Chun ; Lai, Dongbing ; Wetherill, Leah ; Wang, Jen C. ; Chan, Grace ; Hesselbrock, Victor ; Foroud, Tatiana ; Bucholz, Kathleen K. ; Edenberg, Howard J. ; Dick, Danielle M. ; Porjesz, Bernice ; Agrawal, Arpana. / Psychosocial moderation of polygenic risk for cannabis involvement : the role of trauma exposure and frequency of religious service attendance. In: Translational psychiatry. 2019 ; Vol. 9, No. 1.
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