Association of Genetic Liability to Psychotic Experiences With Neuropsychotic Disorders and Traits

被引:111
作者
Legge, Sophie E. [1 ]
Jones, Hannah J. [2 ,3 ,4 ]
Kendall, Kimberley M. [1 ]
Pardinas, Antonio F. [1 ]
Menzies, Georgina [5 ]
Bracher-Smith, Matthew [1 ]
Escott-Price, Valentina [1 ,5 ]
Rees, Elliott [1 ]
Davis, Katrina A. S. [6 ,7 ]
Hotopf, Matthew [6 ,7 ]
Savage, Jeanne E. [8 ]
Posthuma, Danielle [8 ]
Holmans, Peter [1 ]
Kirov, George [1 ]
Owen, Michael J. [1 ]
O'Donovan, Michael C. [1 ]
Zammit, Stanley [1 ,2 ,4 ]
Walters, James T. R. [1 ]
机构
[1] Cardiff Univ, Sch Med, MRC Ctr Neuropsychiat Genet & Genom, Div Psychol Med & Clin Neurosci, Cardiff, S Glam, Wales
[2] Univ Bristol, Bristol Med Sch, Dept Populat Hlth Sci, Ctr Acad Mental Hlth, Bristol, Avon, England
[3] Univ Bristol, Integrat Epidemiol Unit, Med Res Ctr, Bristol, Avon, England
[4] Univ Bristol, Univ Hosp Bristol Natl Hlth Serv Fdn Trust, Natl Inst Hlth Res Bristol Biomed Res Ctr, Bristol, Avon, England
[5] Cardiff Univ, Sch Med, Div Psychol Med & Clin Neurosci, UK Dementia Res Inst Cardiff, Cardiff, S Glam, Wales
[6] Kings Coll London, Inst Psychiat Psychol & Neurosci, London, England
[7] South London & Maudsley Natl Hlth Serv Fdn Trust, London, England
[8] Vrije Univ, Dept Complex Trait Genet, Ctr Neurogen & Cognit Res, Amsterdam Neurosci, Amsterdam, Netherlands
基金
英国医学研究理事会;
关键词
GENOME-WIDE ASSOCIATION; LD SCORE REGRESSION; SCHIZOPHRENIA; RISK; POPULATION; AGE; HERITABILITY; METAANALYSIS; VARIANTS; LOCI;
D O I
10.1001/jamapsychiatry.2019.2508
中图分类号
R749 [精神病学];
学科分类号
100205 ;
摘要
Importance Psychotic experiences, such as hallucinations and delusions, are reported by approximately 5% to 10% of the general population, although only a small proportion develop psychotic disorders such as schizophrenia. Studying the genetic causes of psychotic experiences in the general population, and its association with the genetic causes of other disorders, may increase the understanding of their pathologic significance. Objectives To determine whether genetic liability to psychotic experiences is shared with schizophrenia and/or other neuropsychiatric disorders and traits and to identify genetic loci associated with psychotic experiences. Design, Setting and Participants Analyses of genetic correlation, polygenic risk scores, and copy number variation were performed using data from participants in the UK Biobank from April 1, 2018, to March 20, 2019, to assess whether genetic liability to psychotic experiences is shared with schizophrenia and/or other neuropsychiatric disorders and traits. Genome-wide association studies of psychotic experience phenotypes were conducted to identify novel genetic loci. Participants in the final analyses after exclusions included 6123 individuals reporting any psychotic experience, 2143 individuals reporting distressing psychotic experiences, and 3337 individuals reporting multiple occurrences of psychotic experiences. A total of 121843 individuals who did not report a psychotic experience formed the comparator group. Individuals with a psychotic disorder were excluded from all analyses. Main Outcomes and Measures Genetic associations with psychotic experience phenotypes. Results The study included a total of 127966 participants (56.0% women and 44.0% men; mean [SD] age, 64.0 [7.6] years). Psychotic experiences were genetically correlated with major depressive disorder, schizophrenia, autism spectrum disorder, and attention-deficit/hyperactivity disorder. Analyses of polygenic risk scores identified associations between psychotic experiences and genetic liability for major depressive disorder, schizophrenia, bipolar disorder, autism spectrum disorder, and attention-deficit/hyperactivity disorder. Individuals reporting psychotic experiences had an increased burden of copy number variations previously associated with schizophrenia (odds ratio [OR], 2.04; 95% CI, 1.39-2.98; P = 2.49 x 10(-4)) and neurodevelopmental disorders more widely (OR, 1.75; 95% CI, 1.24-2.48; P = 1.41 x 10(-3)). Genome-wide association studies identified 4 significantly associated loci, including a locus in Ankyrin-3 (ANK3 [GenBank ]) (OR, 1.16; 95% CI, 1.10-1.23; P = 3.06 x 10(-8)) with any psychotic experience, and a locus in cannabinoid receptor 2 gene (CNR2 [GenBank ]) (OR, 0.66; 95% CI, 0.56-0.78; P = 3.78 x 10(-8)) with distressing psychotic experiences. The genome-wide association study of any psychotic experience had a low single-nucleotide polymorphism-based heritability estimate (h(2) = 1.71%; 95% CI, 1.02%-2.40%). Conclusions and Relevance A large genetic association study of psychotic experiences from the population-based UK Biobank sample found support for a shared genetic liability between psychotic experiences and schizophrenia, major depressive disorder, bipolar disorder, and neurodevelopmental disorders.
引用
收藏
页码:1256 / 1265
页数:10
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