Journal article
Polygenic liability for schizophrenia predicts shifting-specific executive function deficits and tobacco use in a moderate drinking community sample
Psychiatry research, Vol.279, pp.47-54
09/01/2019
DOI: 10.1016/j.psychres.2019.06.025
PMCID: 6713597
PMID: 31299563
Abstract
•Schizophrenia risk scores predict lower shifting-specific executive functioning.•Higher schizophrenia polygenic risk scores correspond to increased tobacco use.•Schizophrenia polygenic risk scores were not associated with alcohol use problems.•Executive functioning may not predict alcohol use or smoking in community samples.
Individuals with schizophrenia have higher lifetime rates of substance use disorders than the general population, and research suggests high comorbidity rates may be partially explained by shared genetic influences related to common underlying etiology. Moreover, deficits in executive functions are thought to be central to the diagnosis of schizophrenia and are likewise associated with alcohol and tobacco use. The current study examined the associations between schizophrenia polygenic risk scores and tobacco and alcohol use and the mediation of these associations by executive function sub-domains. Results from the Psychiatric Genomics Consortium's meta-analysis of genome-wide association studies of schizophrenia were used to calculate polygenic risk scores in a sample of moderate drinkers. Schizophrenia risk scores were significantly associated with shifting-specific executive function deficits and tobacco use phenotypes. However, risk scores were not significantly associated with alcohol use and executive functions were not significantly associated with either tobacco or alcohol use. These findings extend previous research by suggesting that genetic risk for schizophrenia may be associated with specific sub-domains of executive function as well as smoking. The lack of a relation with alcohol use suggests genetic factors related to schizophrenia and executive functioning may not influence drinking in a non-disordered, social-drinking sample.
Details
- Title: Subtitle
- Polygenic liability for schizophrenia predicts shifting-specific executive function deficits and tobacco use in a moderate drinking community sample
- Creators
- Alex P. Miller - University of MissouriIan R. Gizer - University of MissouriWilliam A Fleming III - University of MissouriJacqueline M. Otto - University of MissouriJoseph D. Deak - University of MissouriJorge S. Martins - University of MissouriBruce D. Bartholow - University of Missouri
- Resource Type
- Journal article
- Publication Details
- Psychiatry research, Vol.279, pp.47-54
- DOI
- 10.1016/j.psychres.2019.06.025
- PMID
- 31299563
- PMCID
- 6713597
- NLM abbreviation
- Psychiatry Res
- ISSN
- 0165-1781
- eISSN
- 1872-7123
- Publisher
- Elsevier B.V
- Grant note
- DOI: 10.13039/100000027, name: National Institute on Alcohol Abuse and Alcoholism, award: P60 AA011998, Sub-Project ID: 5979, T32 AA013526, R25 AA023687; DOI: 10.13039/501100001871, name: Fundação para a Ciência e a Tecnologia
- Language
- English
- Date published
- 09/01/2019
- Academic Unit
- Psychological and Brain Sciences; Iowa Neuroscience Institute
- Record Identifier
- 9984446274302771
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