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- Damberg, M, et al.
(författare)
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Transcription factor AP-2beta genotype associated with anxiety-related personality traits in women. A replication study
- 2003
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Ingår i: Neuropsychobiology. - : S. Karger AG. - 0302-282X .- 1423-0224. ; 48:4, s. 169-175
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Tidskriftsartikel (refereegranskat)abstract
- Attempts to link transmitter system genes to certain aspects of personality have been performed. Several monoamine-related gene variants have been investigated. We previously reported an association between a transcription factor activating protein-2β (AP-2β) variant and anxiety-related personality traits as estimated by Karolinska Scales of Personality (KSP). To confirm this reported association, we have, in the present study, analysed an enlarged group of healthy volunteers (n = 370) with regard to AP-2β genotype and personality traits. For estimation of personality traits, individuals completed 5 different personality questionnaires, i.e. Swedish Universities Scales of Personality (SSP), Health-Relevant 5- Factor Personality Inventory (HP5i), Temperament and Character Inventory, the Revised NEO Personality Inventory and KSP. In contrast to men, women having two long AP-2β alleles displayed lower scores for muscular tension (KSP; F = 10.65, p = 0.0013), somatic trait anxiety (SSP; F = 7.18, p = 0.0081), trait irritability (SSP; F = 4.51, p = 0.032), mistrust (SSP; F = 4.01, p = 0.0468) and negative affectivity (HP5i; F = 10.20, p = 0.0017) than women with at least one short allele. The data presented in this study, together with our previously published data, suggest that AP-2β intron 2 genotype is associated with low levels of anxiety-related personality traits in women. Hence, these data further suggest the human AP-2β gene as a novel candidate gene in personality.
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