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Am J Med Genet. 1999 Aug 20;88(4):430-6.

No association between serotonin transporter gene polymorphisms and personality traits.

Author information

1
Department of Clinical Neuroscience, Psychiatry Section, Karolinska Institute, Stockholm, Sweden. petter.gustavsson@knv.ki.se

Abstract

Human family and twin studies have established considerable heritable components in personality traits as assessed by self-report questionnaires. Recently, an association between a functional polymorphism in the upstream regulatory region of the serotonin transporter gene and neuroticism-related personality traits was reported. Two different serotonin transporter polymorphisms including the previously associated variant were genotyped in two samples of healthy Swedish subjects (n = 127 and n = 178, respectively) assessed with the Karolinska Scales of Personality (KSP) inventory. No statistically significant association between serotonin transporter polymorphisms and any of the eight neuroticism-related KSP scales was found. Thus, the previously reported association between serotonin transporter alleles and neuroticism-related personality traits could not be replicated in the present study.

PMID:
10402513
[Indexed for MEDLINE]

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