Behavior Genetics

, Volume 35, Issue 2, pp 115–120 | Cite as

Family Dysfunction Interacts with Genes in the Causation of Antisocial Symptoms

  • Tanya Maria May Button
  • Jane Scourfield
  • Neilson Martin
  • Shaun Purcell
  • Peter McGuffin
Article

Abstract

There is emerging evidence of gene-environment interaction effects on conduct problems, both from adoption studies and from a study using a measured genotype. An association between non-violent family dysfunction and conduct problems has also been reported, although not in the context of gene–environment interaction studies. The aim of this study was to examine the interaction of genes and family dysfunction in contributing to conduct problems in young people. Parents of 278 monozygotic and 378 dizygotic twin pairs, aged 5–18, from the CaStANET birth cohort twin register were questioned about zygosity, conduct problems and family environment. Using structural equation modeling we tested for main and interactive effects of genes and family dysfunction modelled as an environmental “moderator variable”. Both main and gene–environment interaction effects were highly significant. It was concluded that a risk genotype conferring susceptibility to family dysfunction is responsible for most of the variance in antisocial symptoms in childhood and adolescence.

Keywords

Family dysfunction conduct problems genetics gene–environment interaction twins 

Abbreviation

GE

Gene–environment interaction

SDQ

Strengths and Difficulties Questionnaire

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Copyright information

© Springer Science+Business Media, Inc. 2005

Authors and Affiliations

  • Tanya Maria May Button
    • 1
    • 5
  • Jane Scourfield
    • 2
  • Neilson Martin
    • 3
  • Shaun Purcell
    • 4
  • Peter McGuffin
    • 1
  1. 1.Social, Genetic and Developmental Psychiatry Centre Institute of Psychiatry, King’s CollegeLondonUK
  2. 2.Department of psychological MedicineUniversity of Wales College of MedicineCardiffUK
  3. 3.School of PsychologyCurtin UniversityPerthWestern Australia
  4. 4.Whitehead Institute, MITCambridgeUSA
  5. 5.Social, Genetic, and Developmental Research CentreInstitute of Psychiatry, King’s College LondonLondonEngland

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