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Effect of venlafaxine on maximal electroshock induced seizures in mice

Background

Venlafaxine is a structurally novel phentylethylamine antidepressant drug. It blocks the synoptosomal uptake of noradrenaline and serotonin and, to a lesser degree, of dopamine.

Venlafaxine has been found effective in animal models, healthy human volunteers, and patients for treatment of various pain syndromes. Most of the antidepressants known to reduce convulsive threshold. The present study was designed to investigate the effect of venlafaxine on convulsive threshold by using maximal electroshock (MES) model in mice.

Materials and methods

First convulsive current 50 value to produce seizures was found. Then venlafaxine was given either 30 minutes before MES intraperitoneally at doses of 25–100 mg/kg or 100 mg/kg for 4 weeks.

Results

Convulsive current 50 value was 46 mA. Venlafaxine decreased the threshold of MES dose dependently. Chronic venlafaxine administration completely blocked seizures.

Discussion

The results of the present study shows a clinical importance of chosing an antidepressant in epileptic patients. Venlafaxine, an antidepressant which inhibits reuptake of both serotonin and norepinephrine, has beneficial effects on convulsions.

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Open Access This article is published under license to BioMed Central Ltd. This is an Open Access article is distributed under the terms of the Creative Commons Attribution 2.0 International License (https://creativecommons.org/licenses/by/2.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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Aricioglu, F., Salanturoglu, G., Buldanlioglu, U. et al. Effect of venlafaxine on maximal electroshock induced seizures in mice. Ann Gen Psychiatry 5, S103 (2006). https://doi.org/10.1186/1744-859X-5-S1-S103

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  • DOI: https://doi.org/10.1186/1744-859X-5-S1-S103

Keywords

  • Public Health
  • Animal Model
  • Dopamine
  • Beneficial Effect
  • Serotonin