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Auteur Esther D. A. VAN DUIN |
Documents disponibles écrits par cet auteur (1)
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Female-specific association of NOS1 genotype with white matter microstructure in ADHD patients and controls / Hanneke VAN EWIJK in Journal of Child Psychology and Psychiatry, 58-8 (August 2017)
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Titre : Female-specific association of NOS1 genotype with white matter microstructure in ADHD patients and controls Type de document : Texte imprimé et/ou numérique Auteurs : Hanneke VAN EWIJK, Auteur ; Janita B. BRALTEN, Auteur ; Esther D. A. VAN DUIN, Auteur ; Marina HAKOBJAN, Auteur ; Jan K. BUITELAAR, Auteur ; Dirk J. HESLENFELD, Auteur ; Pieter J. HOEKSTRA, Auteur ; Catharina A. HARTMAN, Auteur ; Martine HOOGMAN, Auteur ; Jaap OOSTERLAAN, Auteur ; Barbara FRANKE, Auteur Article en page(s) : p.958-966 Langues : Anglais (eng) Mots-clés : attention-deficit/hyperactivity disorder NOS1 imaging genetics diffusion tensor imaging Index. décimale : PER Périodiques Résumé : Background The nitric oxide synthase gene (NOS1) exon 1f (ex1f) VNTR is a known genetic risk factor for Attention-Deficit/Hyperactivity Disorder (ADHD), particularly in females. NOS1 plays an important role in neurite outgrowth and may thus influence brain development, specifically white matter (WM) microstructure, which is known to be altered in ADHD. The current study aimed to investigate whether NOS1 is associated with WM microstructure in (female) individuals with and without ADHD. Methods Diffusion Tensor Imaging (DTI) scans were collected from 187 participants with ADHD (33% female) and 103 controls (50% female), aged 8–26 years, and NOS1-ex1f VNTR genotype was determined. Whole-brain analyses were conducted for fractional anisotropy (FA) and mean diffusivity (MD) to examine associations between NOS1 and WM microstructure, including possible interactions with gender and diagnosis. Results Consistent with previous literature, NOS1-ex1f was associated with total ADHD and hyperactivity-impulsivity symptoms, but not inattention; this effect was independent of gender. NOS1-ex1f was also associated with MD values in several major WM tracts in females, but not males. In females, homozygosity for the short allele was linked to higher MD values than carriership of the long allele. MD values in these regions did not correlate with ADHD symptoms. Results were similar for participants with and without ADHD. Conclusions NOS1-ex1f VNTR is associated with WM microstructure in females in a large sample of participants with ADHD and healthy controls. Whether this association is part of a neurodevelopmental pathway from NOS1 to ADHD symptoms should be further investigated in future studies. En ligne : http://dx.doi.org/10.1111/jcpp.12742 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=317
in Journal of Child Psychology and Psychiatry > 58-8 (August 2017) . - p.958-966[article] Female-specific association of NOS1 genotype with white matter microstructure in ADHD patients and controls [Texte imprimé et/ou numérique] / Hanneke VAN EWIJK, Auteur ; Janita B. BRALTEN, Auteur ; Esther D. A. VAN DUIN, Auteur ; Marina HAKOBJAN, Auteur ; Jan K. BUITELAAR, Auteur ; Dirk J. HESLENFELD, Auteur ; Pieter J. HOEKSTRA, Auteur ; Catharina A. HARTMAN, Auteur ; Martine HOOGMAN, Auteur ; Jaap OOSTERLAAN, Auteur ; Barbara FRANKE, Auteur . - p.958-966.
Langues : Anglais (eng)
in Journal of Child Psychology and Psychiatry > 58-8 (August 2017) . - p.958-966
Mots-clés : attention-deficit/hyperactivity disorder NOS1 imaging genetics diffusion tensor imaging Index. décimale : PER Périodiques Résumé : Background The nitric oxide synthase gene (NOS1) exon 1f (ex1f) VNTR is a known genetic risk factor for Attention-Deficit/Hyperactivity Disorder (ADHD), particularly in females. NOS1 plays an important role in neurite outgrowth and may thus influence brain development, specifically white matter (WM) microstructure, which is known to be altered in ADHD. The current study aimed to investigate whether NOS1 is associated with WM microstructure in (female) individuals with and without ADHD. Methods Diffusion Tensor Imaging (DTI) scans were collected from 187 participants with ADHD (33% female) and 103 controls (50% female), aged 8–26 years, and NOS1-ex1f VNTR genotype was determined. Whole-brain analyses were conducted for fractional anisotropy (FA) and mean diffusivity (MD) to examine associations between NOS1 and WM microstructure, including possible interactions with gender and diagnosis. Results Consistent with previous literature, NOS1-ex1f was associated with total ADHD and hyperactivity-impulsivity symptoms, but not inattention; this effect was independent of gender. NOS1-ex1f was also associated with MD values in several major WM tracts in females, but not males. In females, homozygosity for the short allele was linked to higher MD values than carriership of the long allele. MD values in these regions did not correlate with ADHD symptoms. Results were similar for participants with and without ADHD. Conclusions NOS1-ex1f VNTR is associated with WM microstructure in females in a large sample of participants with ADHD and healthy controls. Whether this association is part of a neurodevelopmental pathway from NOS1 to ADHD symptoms should be further investigated in future studies. En ligne : http://dx.doi.org/10.1111/jcpp.12742 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=317