Genetic basis of psychopathological dimensions shared between schizophrenia and bipolar disorder

F. Corponi, S. Bonassi, E. Vieta, D. Albani, A. Serretti, G. Ducci, S. Landi, S. Boccia, A. Serretti, C. Fabbri

Research output: Contribution to journalArticle

Abstract

Shared genetic vulnerability between schizophrenia (SCZ) and bipolar disorder (BP) was demonstrated, but the genetic underpinnings of specific symptom domains are unclear. This study investigated which genes and gene sets may modulate specific psychopathological domains and if genome-wide significant loci previously associated with SCZ or BP may play a role. Genome-wide data were available in patients with SCZ (n = 226) or BP (n = 228). Phenotypes under investigation were depressive and positive symptoms severity, suicidal ideation, onset age and substance use disorder comorbidity. Genome-wide analyses were performed at gene and gene set level, while 148 genome-wide significant loci previously associated with SCZ and/or BP were investigated. Each sample was analyzed separately then a meta-analysis was performed. SH3GL2 and CLVS1 genes were associated with suicidal ideation in SCZ (p = 5.62e-08 and 0.01, respectively), the former also in the meta-analysis (p =.01). SHC4 gene was associated with depressive symptoms severity in BP (p =.003). A gene set involved in cellular differentiation (GO:0048661) was associated with substance disorder comorbidity in the meta-analysis (p =.03). Individual loci previously associated with SCZ or BP did not modulate the phenotypes of interest. This study provided confirmatory and new findings. SH3GL2 (endophilin A1) showed a role in suicidal ideation that may be due to its relevance to the glutamate system. SHC4 regulates BDNF-induced MAPK activation and was previously associated with depression. CLVS1 is involved in lysosome maturation and was for the first time associated with a psychiatric trait. GO:0048661 may mediate the risk of substance disorder through an effect on neurodevelopment/neuroplasticity. © 2018
Original languageEnglish
Pages (from-to)23-29
Number of pages7
JournalProgress in Neuro-Psychopharmacology and Biological Psychiatry
Volume89
DOIs
Publication statusPublished - 2019

Fingerprint

Bipolar Disorder
Schizophrenia
Suicidal Ideation
Genes
Genome
Meta-Analysis
Depression
Comorbidity
Phenotype
Neuronal Plasticity
Brain-Derived Neurotrophic Factor
Lysosomes
Age of Onset
Substance-Related Disorders
Psychiatry
Glutamic Acid

Keywords

  • endophilin
  • endophilin A1
  • unclassified drug, adult
  • aged
  • Article
  • bipolar disorder
  • cell differentiation
  • CLVS1 gene
  • comorbidity
  • depression
  • disease severity
  • drug dependence
  • female
  • gene
  • gene locus
  • genetic association
  • genome-wide association study
  • human
  • major clinical study
  • male
  • positive syndrome
  • schizophrenia
  • SH3GL2 gene
  • suicidal ideation

Cite this

Genetic basis of psychopathological dimensions shared between schizophrenia and bipolar disorder. / Corponi, F.; Bonassi, S.; Vieta, E.; Albani, D.; Serretti, A.; Ducci, G.; Landi, S.; Boccia, S.; Serretti, A.; Fabbri, C.

In: Progress in Neuro-Psychopharmacology and Biological Psychiatry, Vol. 89, 2019, p. 23-29.

Research output: Contribution to journalArticle

Corponi, F. ; Bonassi, S. ; Vieta, E. ; Albani, D. ; Serretti, A. ; Ducci, G. ; Landi, S. ; Boccia, S. ; Serretti, A. ; Fabbri, C. / Genetic basis of psychopathological dimensions shared between schizophrenia and bipolar disorder. In: Progress in Neuro-Psychopharmacology and Biological Psychiatry. 2019 ; Vol. 89. pp. 23-29.
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AU - Ducci, G.

AU - Landi, S.

AU - Boccia, S.

AU - Serretti, A.

AU - Fabbri, C.

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