ArticleGenes2025
A Genome-Wide Association Study of First-Episode Psychosis: A Genetic Exploration in an Italian Cohort.
Article in Genes, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 3 papers.
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Who cites it
3 citing papers in PubMed.
- Polygenic risk score for neurodevelopmental disorders and cognitive impairment at long-term follow-up of first-episode psychosis.European archives of psychiatry and clinical neuroscience · 2026Article
- Hyperdynamic microtubule-based structural changes in Monocyte-Derived-Neuronal-like cells from patients with schizophrenia.Schizophrenia (Heidelberg, Germany) · 2026Article
- Genetic Variations in the Dopaminergic Signaling Pathways and Their Implications for Antipsychotics Pharmacogenetics.Journal of molecular neuroscience : MN · 2026Review
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14 authors.
Funding
Abstract
backgroundPsychosis, particularly schizophrenia (SZ), is influenced by genetic and environmental factors. The neurodevelopmental hypothesis suggests that genetic factors affect neuronal circuit connectivity during perinatal periods, hence causing the onset of the diseases. In this study, we performed a genome-wide association study (GWAS) in a sample of the first episode of psychosis (FEP).
methodsA sample of 147 individuals diagnosed with non-affective psychosis and 102 controls were recruited and assessed. After venous blood and DNA extraction, the samples were genotyped. Genetic data underwent quality controls, genotype imputation, and a case-control genome-wide association study (GWAS). After the GWAS, results were investigated using an in silico functional mapping and annotation approach.
resultsOur GWAS showed the association of 27 variants across 13 chromosomes at genome-wide significance (
conclusionsThe resulting genetic associations and the consequent functional analysis displayed common genetic liability between the non-affective psychosis, related traits, and risk factors. In sum, our investigation provided novel hints supporting the neurodevelopmental hypothesis in SZ and-in general-in non-affective psychoses.
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