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- W2904360888 abstract "Dopamine levels are controlled in part by transport across the cell membrane by the dopamine transporter (DAT), and recent evidence showed that a polymorphism in the gene encoding DAT is associated with alcoholism. However, research in animal models using DAT knockout mice has yielded conflicting results. The present study was planned to evaluate the effects of DAT knockdown in the nucleus accumbens (Nacc) on voluntary ethanol consumption and preference in male and female C57BL/6J mice. For this purpose, animals were stereotaxically injected with DAT siRNA-expressing lentiviral vectors in the Nacc, and using a voluntary, continuous access two-bottle choice model of alcohol, we investigated the importance of accumbal DAT expression in voluntary alcohol intake and preference. We also investigated the effects of DAT knockdown on saccharin and quinine consumption and ethanol metabolism. We show that females consumed more alcohol than males. Interestingly, DAT knockdown in the Nacc significantly decreased alcohol intake and preference in both groups, but no significant sex by group interaction was observed. Also, DAT knockdown did not alter total fluid consumption, saccharin or quinine consumption, or blood ethanol concentrations. Using Pearson correlation, results indicated a strong positive relationship between DAT mRNA expression and ethanol consumption and preference. Taken together, these data provide further evidence that DAT plays an important role in controlling ethanol intake and that accumbal DAT contributes in the modulation of the reinforcing effects of ethanol. Overall, the results suggest that DAT inhibitors may be valuable in the pharmacotherapy of alcoholism." @default.
- W2904360888 created "2018-12-22" @default.
- W2904360888 creator A5014395728 @default.
- W2904360888 creator A5067189977 @default.
- W2904360888 date "2018-12-12" @default.
- W2904360888 modified "2023-10-17" @default.
- W2904360888 title "No effect of sex on ethanol intake and preference after dopamine transporter (DAT) knockdown in adult mice" @default.
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- W2904360888 doi "https://doi.org/10.1007/s00213-018-5144-9" @default.
- W2904360888 hasPubMedId "https://pubmed.ncbi.nlm.nih.gov/30539268" @default.
- W2904360888 hasPublicationYear "2018" @default.
- W2904360888 type Work @default.