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Auteur Sabina ABIDI |
Documents disponibles écrits par cet auteur (1)
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Neurodevelopmental and genetic determinants of exposure to adversity among youth at risk for mental illness / Alyson ZWICKER in Journal of Child Psychology and Psychiatry, 61-5 (May 2020)
[article]
Titre : Neurodevelopmental and genetic determinants of exposure to adversity among youth at risk for mental illness Type de document : Texte imprimé et/ou numérique Auteurs : Alyson ZWICKER, Auteur ; Lynn E. MACKENZIE, Auteur ; Vladislav DROBININ, Auteur ; Amina M. BAGHER, Auteur ; Emily HOWES VALLIS, Auteur ; Lukas PROPPER, Auteur ; Alexa BAGNELL, Auteur ; Sabina ABIDI, Auteur ; Barbara PAVLOVA, Auteur ; Martin ALDA, Auteur ; Eileen M. DENOVAN-WRIGHT, Auteur ; Rudolf UHER, Auteur Article en page(s) : p.536-544 Langues : Anglais (eng) Mots-clés : Attention-deficit/hyperactivity disorder adverse childhood experiences developmental psychopathology gene-environment correlation intelligence polygenic score Index. décimale : PER Périodiques Résumé : BACKGROUND: Attention-deficit/hyperactivity disorder (ADHD) and lower cognitive ability have been linked with increased likelihood of exposure to adversity. We hypothesized that these associations may be partly due to genetic factors. METHODS: We calculated polygenic scores for ADHD and intelligence and assessed psychopathology and general cognitive ability in a sample of 297 youth aged 5-27 years enriched for offspring of parents with mood and psychotic disorders. We calculated an adversity score as a mean of 10 indicators, including socio-economic disadvantage, childhood maltreatment and bullying. We tested the effects of polygenic scores, externalizing symptoms and IQ on adversity scores using mixed-effects linear regression. RESULTS: Externalizing symptoms and general cognitive ability showed expected positive and negative relationships with adversity, respectively. Polygenic scores for intelligence were unrelated to adversity, but polygenic scores for ADHD were associated with adversity (beta = 0.23, 95% CI 0.13 to 0.34, p < .0001). ADHD polygenic scores uniquely explained 4.0% of variance in adversity score. The relationship between polygenic scores for ADHD and adversity was independently significant among individuals with (beta = 0.49, 95% CI 0.25 to 0.75, p < .0001) and without (beta = 0.14, 95% CI 0.02 to 0.26, p = .022) ADHD. CONCLUSIONS: A genetic score indexing liability to ADHD was associated with exposure to adversity in early life. Previously observed associations between externalizing symptoms, lower cognitive ability and adversity may be partially attributed to genetic liability to ADHD. En ligne : http://dx.doi.org/10.1111/jcpp.13159 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=422
in Journal of Child Psychology and Psychiatry > 61-5 (May 2020) . - p.536-544[article] Neurodevelopmental and genetic determinants of exposure to adversity among youth at risk for mental illness [Texte imprimé et/ou numérique] / Alyson ZWICKER, Auteur ; Lynn E. MACKENZIE, Auteur ; Vladislav DROBININ, Auteur ; Amina M. BAGHER, Auteur ; Emily HOWES VALLIS, Auteur ; Lukas PROPPER, Auteur ; Alexa BAGNELL, Auteur ; Sabina ABIDI, Auteur ; Barbara PAVLOVA, Auteur ; Martin ALDA, Auteur ; Eileen M. DENOVAN-WRIGHT, Auteur ; Rudolf UHER, Auteur . - p.536-544.
Langues : Anglais (eng)
in Journal of Child Psychology and Psychiatry > 61-5 (May 2020) . - p.536-544
Mots-clés : Attention-deficit/hyperactivity disorder adverse childhood experiences developmental psychopathology gene-environment correlation intelligence polygenic score Index. décimale : PER Périodiques Résumé : BACKGROUND: Attention-deficit/hyperactivity disorder (ADHD) and lower cognitive ability have been linked with increased likelihood of exposure to adversity. We hypothesized that these associations may be partly due to genetic factors. METHODS: We calculated polygenic scores for ADHD and intelligence and assessed psychopathology and general cognitive ability in a sample of 297 youth aged 5-27 years enriched for offspring of parents with mood and psychotic disorders. We calculated an adversity score as a mean of 10 indicators, including socio-economic disadvantage, childhood maltreatment and bullying. We tested the effects of polygenic scores, externalizing symptoms and IQ on adversity scores using mixed-effects linear regression. RESULTS: Externalizing symptoms and general cognitive ability showed expected positive and negative relationships with adversity, respectively. Polygenic scores for intelligence were unrelated to adversity, but polygenic scores for ADHD were associated with adversity (beta = 0.23, 95% CI 0.13 to 0.34, p < .0001). ADHD polygenic scores uniquely explained 4.0% of variance in adversity score. The relationship between polygenic scores for ADHD and adversity was independently significant among individuals with (beta = 0.49, 95% CI 0.25 to 0.75, p < .0001) and without (beta = 0.14, 95% CI 0.02 to 0.26, p = .022) ADHD. CONCLUSIONS: A genetic score indexing liability to ADHD was associated with exposure to adversity in early life. Previously observed associations between externalizing symptoms, lower cognitive ability and adversity may be partially attributed to genetic liability to ADHD. En ligne : http://dx.doi.org/10.1111/jcpp.13159 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=422