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  • Title: Behavioral and Biochemical Effects of N-Acetylcysteine in Zebrafish Acutely Exposed to Ethanol.
    Author: Mocelin R, Marcon M, D'ambros S, Herrmann AP, da Rosa Araujo AS, Piato A.
    Journal: Neurochem Res; 2018 Feb; 43(2):458-464. PubMed ID: 29196951.
    Abstract:
    Alcohol hangover refers to unpleasant symptoms experienced as a direct consequence of a binge drinking episode. The effects observed in this condition are related to the increase in alcohol metabolites and imbalance in oxidative status. N-acetylcysteine (NAC) is a mucolytic agent and an antidote for paracetamol overdose. Preclinical and clinical studies have shown that NAC is a multi-target drug acting through neuroprotective, antioxidant and neurotrophic mechanisms as well as a glutamate modulator. The aim of this study was to investigate the effects of NAC in zebrafish acutely exposed to ethanol (EtOH). Animals pretreated or not with NAC (1 mg/L, 10 min) were exposed for 60 min to standard tank water (EtOH-) or to 1% EtOH (EtOH+) to evaluate anxiety-like behavior and locomotion in the novel tank test and oxidative damage in the brain. Zebrafish (Danio rerio) exposed to EtOH displayed a decrease in the distance traveled, crossings, entries and time spent in the top area in the novel tank test. Exposure to EtOH also caused oxidative damage, shown by increased lipid peroxidation, decreased non-protein thiols and increased production of reactive oxygen species (DCF assay). NAC prevented both the behavioral alterations and the oxidative stress observed in EtOH+ animals. Given the effects of NAC in preventing the acute behavioral and biochemical effects of EtOH, additional studies are warranted to further investigate the basis of its anecdotal use to prevent hangover.
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