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Non-replication of the brain-derived neurotrophic factor (BDNF) association in bipolar affective disorder: a Belgian patient-control study.

par Oswald, Pierre ;Del-Favero, Jurgen;Massat, Isabelle ;Souery, Daniel ;Claes, Stephan;Van Broeckhoven, Christine;Mendlewicz, Julien
Référence American journal of medical genetics. Part B, Neuropsychiatric genetics, 129B, 1, page (34-35)
Publication Publié, 2004-08

Article révisé par les pairs

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Résumé :

This patient-control association study was conducted to investigate a possible association of two single nucleotide polymorphisms (SNPs), g.11757C > G and g.196G > A, in the brain-derived neurotrophic factor (BDNF) with bipolar affective disorder (BPAD). Two hundred seventy-five individuals of Belgian origin (at least two generations of Belgian ancestors) were genotyped (112 BPAD and 163 controls). No significant differences were found in the frequency of genotypes and alleles of g.196G > A (P = 0.37 and 0.94, respectively) and g.11757C > G (P = 0.49 and 0.59, respectively) between controls and BPAD patients. An haplotype analysis revealed no difference between patients and controls (P = 0.44). We failed to replicate previous findings implicating BDNF in the aetiology of BPAD. However, BDNF remains an interesting target for future genetic studies and should be tested in prospective pharmacogenetic therapeutic trials.