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. 2020 Jul 27:732:135061.
doi: 10.1016/j.neulet.2020.135061. Epub 2020 May 21.

Genome-wide association study of aggression and violence in schizophrenia

Ali Bani-Fatemi  1 , Anvesh Roy  1 , Nasia Dai  1 , Oluwagbenga Dada  1 , Christopher Adanty  1 , Lavaniya Kiruparajah  1 , Nathan Kolla  1 , John Strauss  1 , Clement Zai  1 , Ariel Graff  1 , Philip Gerretsen  1 , Vincenzo De Luca  2
Affiliations

Genome-wide association study of aggression and violence in schizophrenia

Ali Bani-Fatemi et al. Neurosci Lett. .

Abstract

Schizophrenia patients are at higher risk of engaging in violent behavior than the general population. Schizophrenia is also regarded as a highly heritable disorder. This study aimed to analyze genome-wide the effect of SNPs on violence in schizophrenia. We recruited 205 subjects between the age of 18-75 from the Centre for Addiction and Mental Health (CAMH), who had a diagnosis of schizophrenia or schizoaffective disorder. We recorded physical, verbal and lifetime violence scores indicating any violent actions to inflict pain, bodily harm, or death on another individual from the standardized scale, Modified Overt Aggression Scale (MOAS). We genotyped each participant's DNA using the Illumina Omni 2.5, and the SNPs were analyzed using the whole genome analysis tool-set, PLINK. We probed for single nucleotide polymorphisms (SNPs) correlated with violence in schizophrenia patients. We found one SNP (rs2188177) on chromosome 7 which showed a trend for association with physical violence (p = 7.80E-06). This study is the first of its kind to investigate genome-wide, the polymorphisms associated with violence in schizophrenia. The findings of this study may promote collaborative efforts to understand the genetic basis of violent behavior in psychosis.

Keywords: Aggression; GWAS; Genetics; Schizophrenia; Violence.

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