No association between the -399 C > T polymorphism of the neuropeptide Y gene and schizophrenia, unipolar depression or panic disorder in a Danish population

C Lindberg, P Koefoed, E S Hansen, T G Bolwig, J F Rehfeld, E Mellerup, O S Jørgensen, Lars Kessing, Thomas Werge, S Haugbøl, August G. Wang, D P D Woldbye

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26 Citations (Scopus)

Abstract

OBJECTIVE: A polymorphism in the promoter region of the NPY gene at position -399 C > T was recently reported to be associated with schizophrenia in a Japanese population and with treatment refractory unipolar depression in a Swedish population. The objective of this study was to investigate potential associations between the polymorphism and three psychiatric disorders in a Danish population.

METHOD: We investigated the occurrence of the polymorphism in patients with schizophrenia (n = 291), unipolar depression (n = 256) and panic disorder (n = 142) compared with controls (n = 716).

RESULTS: We detected the polymorphism -399 C > T at a frequency of 48% in controls. No significant differences were found between genotype or allele frequencies in controls vs. the patient groups.

CONCLUSION: The lack of association between the -399 C > T polymorphism and schizophrenia, unipolar depression or panic disorder, respectively, suggests that the polymorphism is not involved in the etiology of these disorders in the Danish population.

Original languageEnglish
Pages (from-to)54-58
Number of pages5
JournalActa Psychiatrica Scandinavica
Volume113
Issue number1
DOIs
Publication statusPublished - Jan 2006

Keywords

  • case-control studies
  • neuropeptide Y
  • promoter regions (genetics)
  • single nucleotide polymorphism
  • schizophrenia
  • unipolar depression
  • panic disorder
  • DNA primers
  • depressive disorders
  • gene frequency
  • genotype
  • prevalence

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