ArticleMolecular psychiatry2024
Polygenic risk of social isolation behavior and its influence on psychopathology and personality.
Article in Molecular psychiatry, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 9 papers.
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Who cites it
9 citing papers in PubMed.
- Shared genetic architecture across social disconnection, social disadvantage, and psychiatric and neurodevelopmental traits.European archives of psychiatry and clinical neuroscience · 2026Article
- Genome-wide analysis of social behaviour across social domains, reporters and developmental stages: a meta-regression approach.Nature human behaviour · 2026Article
- The reporting and handling of missing data in genetic epidemiological studies of mental health in childhood and adolescence: A systematic review.JCPP advances · 2026Article
- Social isolation and 59 common health conditions: insights from observational and genetics analyses.BMC medicine · 2026Article
- Transdiagnostic prevention in youth mental health, Part I: rationale, shared risk factors.Neuropsychopharmacology : official publication of the American College of Neuropsychopharmacology · 2026Review
- Impact of early social isolation on social circuits and behavior: relevance to schizophrenia.Neuropsychopharmacology : official publication of the American College of Neuropsychopharmacology · 2026Review
- Loneliness in schizophrenia: Just loneliness.Annals of the New York Academy of Sciences · 2025Review
- Valence-Driven Cognitive Flexibility: Neurochemical and Circuit-Level Insights from Animal Models and Their Relevance to Schizophrenia.Biomolecules · 2025Review
- Social isolation: an integrated molecular web that disrupts cellular homeostasis.Frontiers in neuroscience · 2025Review
Corrections and comments
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Authors and funding
10 authors.
Funding
Abstract
Social isolation has been linked to a range of psychiatric issues, but the behavioral component that drives it is not well understood. Here, a genome-wide associations study (GWAS) was carried out to identify genetic variants that contribute specifically to social isolation behavior (SIB) in up to 449,609 participants from the UK Biobank. 17 loci were identified at genome-wide significance, contributing to a 4% SNP-based heritability estimate. Using the SIB GWAS, polygenic risk scores (PRS) were derived in ALSPAC, an independent, developmental cohort, and used to test for association with self-reported friendship scores, comprising items related to friendship quality and quantity, at age 12 and 18 to determine whether genetic predisposition manifests during childhood development. At age 18, friendship scores were associated with the SIB PRS, demonstrating that the genetic factors can predict related social traits in late adolescence. Linkage disequilibrium (LD) score correlation using the SIB GWAS demonstrated genetic correlations with autism spectrum disorder (ASD), schizophrenia, major depressive disorder (MDD), educational attainment, extraversion, and loneliness. However, no evidence of causality was found using a conservative Mendelian randomization approach between SIB and any of the traits in either direction. Genomic Structural Equation Modeling (SEM) revealed a common factor contributing to SIB, neuroticism, loneliness, MDD, and ASD, weakly correlated with a second common factor that contributes to psychiatric and psychotic traits. Our results show that SIB contributes a small heritable component, which is associated genetically with other social traits such as friendship as well as psychiatric disorders.
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