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Auteur Rachael G. GRAZIOPLENE |
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A novel differential susceptibility gene: CHRNA4 and moderation of the effect of maltreatment on child personality / Rachael G. GRAZIOPLENE in Journal of Child Psychology and Psychiatry, 54-8 (August 2013)
[article]
Titre : A novel differential susceptibility gene: CHRNA4 and moderation of the effect of maltreatment on child personality Type de document : Texte imprimé et/ou numérique Auteurs : Rachael G. GRAZIOPLENE, Auteur ; Colin G. DEYOUNG, Auteur ; Fred A. ROGOSCH, Auteur ; Dante CICCHETTI, Auteur Article en page(s) : p.872-880 Langues : Anglais (eng) Mots-clés : Personality genetics CHRNA4 differential susceptibility neuroticism openness/intellect Index. décimale : PER Périodiques Résumé : Background: The differential susceptibility hypothesis states that some genetic variants that confer risk in adverse environments are beneficial in normal or nurturing environments. The cholinergic system is promising as a source of susceptibility genes because of its involvement in learning and neural plasticity. The cholinergic receptor gene CHRNA4 has been linked to characteristics related to the personality traits Neuroticism and Openness/Intellect. Methods: The effects of interaction between CHRNA4 genotype and maltreatment status on child personality were examined in a well matched sample of 339 maltreated and 275 non-maltreated children (aged 8–13 years). Results: Variation in CHRNA4 interacted with childhood maltreatment to predict personality in a manner indicating differential susceptibility. The interaction of CHRNA4 and maltreatment status predicted Neuroticism and Openness/Intellect. Maltreated children with the rs1044396 T/T genotype scored highest on Neuroticism and showed no effect of genotype on Openness/Intellect. Non-maltreated children with this genotype scored lowest on Neuroticism and highest on Openness/Intellect. Conclusion: Variation in CHRNA4 appears to contribute to personality by affecting degree of developmental sensitivity to both normal and adverse environments. En ligne : http://dx.doi.org/10.1111/jcpp.12031 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=210
in Journal of Child Psychology and Psychiatry > 54-8 (August 2013) . - p.872-880[article] A novel differential susceptibility gene: CHRNA4 and moderation of the effect of maltreatment on child personality [Texte imprimé et/ou numérique] / Rachael G. GRAZIOPLENE, Auteur ; Colin G. DEYOUNG, Auteur ; Fred A. ROGOSCH, Auteur ; Dante CICCHETTI, Auteur . - p.872-880.
Langues : Anglais (eng)
in Journal of Child Psychology and Psychiatry > 54-8 (August 2013) . - p.872-880
Mots-clés : Personality genetics CHRNA4 differential susceptibility neuroticism openness/intellect Index. décimale : PER Périodiques Résumé : Background: The differential susceptibility hypothesis states that some genetic variants that confer risk in adverse environments are beneficial in normal or nurturing environments. The cholinergic system is promising as a source of susceptibility genes because of its involvement in learning and neural plasticity. The cholinergic receptor gene CHRNA4 has been linked to characteristics related to the personality traits Neuroticism and Openness/Intellect. Methods: The effects of interaction between CHRNA4 genotype and maltreatment status on child personality were examined in a well matched sample of 339 maltreated and 275 non-maltreated children (aged 8–13 years). Results: Variation in CHRNA4 interacted with childhood maltreatment to predict personality in a manner indicating differential susceptibility. The interaction of CHRNA4 and maltreatment status predicted Neuroticism and Openness/Intellect. Maltreated children with the rs1044396 T/T genotype scored highest on Neuroticism and showed no effect of genotype on Openness/Intellect. Non-maltreated children with this genotype scored lowest on Neuroticism and highest on Openness/Intellect. Conclusion: Variation in CHRNA4 appears to contribute to personality by affecting degree of developmental sensitivity to both normal and adverse environments. En ligne : http://dx.doi.org/10.1111/jcpp.12031 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=210