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Abstract Title:

Quercetin reduces manic-like behavior and brain oxidative stress induced by paradoxical sleep deprivation in mice.

Abstract Source:

Free Radic Biol Med. 2016 Jul 28 ;99:79-86. Epub 2016 Aug 28. PMID: 27475725

Abstract Author(s):

Luiz K S Kanazawa, Débora D Vecchia, Etiéli M Wendler, Palloma de A S Hocayen, Francislaine A Dos Reis Lívero, Maria Carolina Stipp, Inara M R Barcaro, Alexandra Acco, Roberto Andreatini

Article Affiliation:

Luiz K S Kanazawa

Abstract:

Quercetin is a known antioxidant and protein kinase C (PKC) inhibitor. Previous studies have shown that mania involves oxidative stress and an increase in PKC activity. We hypothesized that quercetin affects manic symptoms. In the present study, manic-like behavior (hyperlocomotion) and oxidative stress were induced by 24h paradoxical sleep deprivation (PSD) in male Swiss mice. Both 10 and 40mg/kg quercetin prevented PSD-induced hyperlocomotion. Quercetin reversed the PSD-induced decrease in glutathione (GSH) levels in the prefrontal cortex (PFC) and striatum. Quercetin also reversed the PSD-induced increase in lipid peroxidation (LPO) in the PFC, hippocampus, and striatum. Pearson's correlation analysis revealed a negative correlation between locomotor activity and GSH in the PFC in sleep-deprived mice and a positive correlation between locomotor activity and LPO in the PFC and striatum in sleep-deprived mice. These results suggest that quercetin exerts an antimanic-like effect at doses that do not impair spontaneous locomotor activity, and the antioxidant action of quercetin might contribute to its antimanic-like effects.

Study Type : Animal Study

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