Pharmacopsychiatry 2008; 41(5): 196-199
DOI: 10.1055/s-0028-1082070
Original Paper

© Georg Thieme Verlag KG Stuttgart · New York

Gender-dependent Association of a Functional NGF Polymorphism with Anxiety-related Personality Traits

U. E. Lang 1 , R. Hellweg 1 , M. Bajbouj 2 , V. Gaus 3 , T. Sander 4 , J. Gallinat 1
  • 1Clinic for Psychiatry and Psychotherapy, Charité Medicine Berlin, Campus Charité Mitte, Berlin, Germany
  • 2Department of Psychiatry, Charité– Universitaetsmedizin Berlin, Campus Benjamin Franklin, Berlin, Germany
  • 3Department of Neurology, Charité Medicine Berlin, Campus Charité Virchow Clinic, Berlin, Germany
  • 4Cologne Center for Genomics, University of Cologne, Cologne, Germany
Weitere Informationen

Publikationsverlauf

received 26.10.2008 revised 07.04.2008

accepted 08.04.2008

Publikationsdatum:
01. September 2008 (online)

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Abstract

Introduction: Nerve growth factor (NGF) has been shown to be involved in anxiety behaviour and the expression of conditioned fear in mice.

Methods: We have tested a total of 337 (age: 39.2 ± 14.6 years) unrelated subjects of German descent (166 males; 171 females) who were carefully screened for psychiatric health. The self-ratable State−Trait Anxiety Inventory, which enables anxiety to be quantified as a comparatively stable personality trait was applied and a recently described non-synonymous NGF SNP (rs6330,c.104C > T,p.Ala35Val) was examined.

Results: In the trait-related anxiety score, a significant gender-dependent effect of the genotype was observed (F=4.580, df=2, p=0.011) with higher levels of trait anxiety in females with C/C genotype when compared to females with T/T and C/T genotypes and an opposite effect in males.

Discussion: Our findings support the hypothesis that anxiety relates to a genetic variation of NGF and that genes modulate behaviour in a gender-dependent manner. Since anxiety and attention deficit hyperactivity disorder are related to NGF, the present results may represent a common biological link for the gender-specific occurrence and comorbidity of the diseases.

References

1 The effect of the ‘gender×genotype’ interaction is also significant after Bonferroni correction (four ANOVAs) with a new significance level of p<0.0125.

Correspondence

U. E. LangMD, PhD 

Clinic for Psychiatry and Psychotherapy

Charité Medicine Berlin

Campus Charité Mitte

10117 Berlin

Germany

Telefon: +49/178/624 16 89

eMail: undine.lang@charite.de