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  • Title: The effect of acute ethanol on dopamine metabolism and other neurotransmitters in the hypothalamus and the corpus striatum of mice.
    Author: Saeed Dar M, Wooles WR.
    Journal: J Neural Transm; 1984; 60(3-4):283-94. PubMed ID: 6151966.
    Abstract:
    The effect of acute ethanol on the levels of NE, DA and its metabolites DOPAC and HVA, as well as on the levels of GABA, in the corpus striatum and hypothalamus were investigated in mice in the first two hours after acute ethanol administration. There was a marked increase in the concentration of DOPAC and HVA in the corpus striatum from 30 to 120 minutes after a dose of 3.5 g/kg of ethanol even though the concentration of DA was only elevated at 60 minutes after ethanol. A dose of 1.75 g/kg of ethanol did not increase DA levels 60 minutes after administration although it did increase the concentration of DOPAC and HVA at this time. In the hypothalamus a dose of 3.5 g/kg of ethanol did not change the concentration of NE or DA but did produce a marked increase in the levels of DOPAC and HVA at 60 and 120 minutes post ethanol. A lower dose of ethanol, 1.75 g/kg, produced the same effect 60 minutes after ethanol. Ethanol caused a dose-dependent accumulation of DOPA in the corpus striatum after inhibition of DOPA-decarboxylase suggesting an increased synthesis of DA. These data suggest that the increased concentrations of DA metabolites after ethanol is secondary to enhanced DA synthesis and turnover. The concentration of NE and GABA in the hypothalamus and the corpus striatum was unchanged at any time period after ethanol.
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