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A common NTRK2 variant is associated with emotional arousal and brain white-matter integrity in healthy young subjects

Spalek, K. and Coynel, D. and Freytag, V. and Hartmann, F. and Heck, A. and Milnik, A. and de Quervain, D. and Papassotiropoulos, A.. (2016) A common NTRK2 variant is associated with emotional arousal and brain white-matter integrity in healthy young subjects. Translational Psychiatry, 6. e758.

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Official URL: http://edoc.unibas.ch/45098/

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Abstract

Dysregulation of emotional arousal is observed in many psychiatric diseases such as schizophrenia, mood and anxiety disorders. The neurotrophic tyrosine kinase receptor type 2 gene (NTRK2) has been associated with these disorders. Here we investigated the relation between genetic variability of NTRK2 and emotional arousal in healthy young subjects in two independent samples (n1=1171; n2=707). In addition, diffusion tensor imaging (DTI) data in a subgroup of 342 participants were used to identify NTRK2-related white-matter structure differences. After correction for multiple testing, we identified a NTRK2 single nucleotide polymorphism associated with emotional arousal in both samples (n1: Pnominal=0.0003, Pcorrected=0.048; n2: Pnominal=0.0141, Pcorrected=0.036). DTI revealed significant, whole-brain corrected correlations between emotional arousal and brain white-matter mean diffusivity (MD), as well as significant, whole-brain corrected NTRK2 genotype-related differences in MD (PFWE<0.05). Our study demonstrates that genetic variability of NTRK2, a susceptibility gene for psychiatric disorders, is related to emotional arousal and-independently-to brain white-matter properties in healthy individuals.
Faculties and Departments:03 Faculty of Medicine > Bereich Psychiatrie (Klinik) > Erwachsenenpsychiatrie UPK > Kognitive Neurowissenschaften (de Quervain)
03 Faculty of Medicine > Departement Klinische Forschung > Bereich Psychiatrie (Klinik) > Erwachsenenpsychiatrie UPK > Kognitive Neurowissenschaften (de Quervain)
07 Faculty of Psychology > Departement Psychologie > Forschungsbereich Klinische Psychologie und Neurowissenschaften > Cognitive Neuroscience (de Quervain)
UniBasel Contributors:de Quervain, Dominique J.-F. and Papassotiropoulos, Andreas and Sifalakis, Klara
Item Type:Article, refereed
Article Subtype:Research Article
Publisher:Nature Publishing Group
e-ISSN:2158-3188
Note:Publication type according to Uni Basel Research Database: Journal article
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Last Modified:25 Jun 2018 15:41
Deposited On:04 Oct 2017 07:08

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