Jönsson EG, Abou Jamra R, Schumacher J, Flyckt L, Edman G, Forslund K, Mattila-Evenden M, Rylander G, Asberg M, Bjerkenstedt L, Wiesel FA, Propping P, Cichon S, Nöthen MM, Sedvall GC. No association between a putative functional promoter variant in the dopamine beta-hydroxylase gene and schizophrenia.
Psychiatr Genet 2003;
13:175-8. [PMID:
12960750 DOI:
10.1097/00041444-200309000-00007]
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Abstract
OBJECTIVE
Disturbances in catecholamine transmission have been implicated in schizophrenia. Dopamine beta-hydroxylase catalyses the conversion of dopamine to norepinephrine in noradrenergic cells. We attempted to investigate a putative functional promoter polymorphism in the dopamine beta-hydroxylase gene (DBH) for association with schizophrenia.
METHODS
Unrelated schizophrenic patients (n=155) and control subjects (n=436) were analysed with regard to the DBH -1021 C/T variant.
RESULTS
No significant allele or genotype differences were found.
CONCLUSIONS
The present results do not support a major involvement of the DBH gene in schizophrenia in the Swedish population investigated.
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