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Differences in the effect of the antidepressant amineptine on striatal and limbic 3 4 dihydroxyphenylacetic acid measured by high performance liquid chromatography electrochemical detection and in vivo voltammetry


European Journal of Pharmacology 123(3): 433-440
Differences in the effect of the antidepressant amineptine on striatal and limbic 3 4 dihydroxyphenylacetic acid measured by high performance liquid chromatography electrochemical detection and in vivo voltammetry
The acute effect of the antidepressant amineptine was studied in two dopaminergic areas, the striatum and the limbic system, by in vivo voltammetry. This electrochemical technique uses carbon fibre electrodes implanted in brain areas of non-anesthetized freely moving rats to measure DOPAC diffusing from the neurons. In vivo voltammetry recordings showed that amineptine induced a slight and transient decrease in DOPAC levels in the caudate nucleus but a persistent, clear-cut decrease in the nucleus accumbens. These results were confirmed by classical biochemical determination in tissue samples. The findings indicate the possible importance of the limbic area in the mechanism of action of amineptine.


Accession: 005151232



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