Abstract
In this study, changes in striatal extracellular L-citrulline concentrations were investigated hourly for 5 h following alcohol withdrawal in chronic alcohol feeding Wistar rats. Alcohol (7.2% ethyl alcohol, v/v) was given to rats as modified liquid diet for 20 days. Signs of alcohol withdrawal appeared from the 1st h of alcohol withdrawal and the total alcohol withdrawal scores remained higher during the course of experiments. The mean of basal levels of L-citrulline in the microdialysis samples collected in conscious rat model from the striatum of control and alcoholized rats were found to be 1.28 ± 0.48 μM and 0.35 ± 0.08 μM, respectively. L-citrulline levels in the striatum of alcoholized rats increased by 4 folds significantly within 1 h following alcohol withdrawal. The increased striatal L-citrulline concentration was blocked by NG-nitro-L-arginine methyl ester (L-NAME; 60 mg/kg), a nitric oxide synthase inhibitor, pretreatment. Our results indicate an increased L-citrulline level in the rat striatum during early alcohol withdrawal and this situation may be related to an increased nitric oxide production.
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Gören, M.Z., Aricioglu-Kartal, F., Yurdun, T. et al. Investigation of Extracellular L-Citrulline Concentration in the Striatum During Alcohol Withdrawal in Rats. Neurochem Res 26, 1327–1333 (2001). https://doi.org/10.1023/A:1014253618835
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DOI: https://doi.org/10.1023/A:1014253618835