Artigo
Anxiety-like effects of meta-chlorophenylpiperazine in paradoxically sleep-deprived mice
Fecha
2014-03-03Registro en:
Progress in Neuro-psychopharmacology & Biological Psychiatry. Oxford: Pergamon-Elsevier B.V., v. 49, p. 70-77, 2014.
0278-5846
10.1016/j.pnpbp.2013.11.007
WOS:000329060300010
Autor
Polesel, Daniel Ninello
Fukushiro, Daniela Fukue [UNIFESP]
Andersen, Monica Levy [UNIFESP]
Nozoe, Karen Tieme [UNIFESP]
Mari-Kawamoto, Elisa [UNIFESP]
Saito, Luis Paulo [UNIFESP]
Souza Carvalho, Fabio Ramos [UNIFESP]
Alvarenga, Tathiana Aparecida [UNIFESP]
Freitas, Denise [UNIFESP]
Tufik, Sergio [UNIFESP]
Frussa-Filho, Roberto [UNIFESP]
Lanaro, Rafael
Costa, Jose Luiz
Maggi Tavares, Marina Franco
Institución
Resumen
Chlorophenylpiperazines (CPP) are psychotropic drugs used in nightclub parties and are frequently used in a state of sleep deprivation, a condition which can potentiate the effects of psychoactive drugs. This study aimed to investigate the effects of sleep deprivation and sleep rebound (RB) on anxiety-like measures in mCPP-treated mice using the open field test. We first optimized our procedure by performing dose-effect curves and examining different pretreatment times in nave male Swiss mice. Subsequently, a separate cohort of mice underwent paradoxical sleep deprivation (PSD) for 24 or 48 h. in the last experiment, immediately after the 24 h-PSD period, mice received an injection of saline or mCPP, but their general activity was quantified in the open field only after the RB period (24 or 48 h). the dose of 5 mg mL(-1) of mCPP was the most effective at decreasing rearing behavior, with peak effects 15 min after injection. PSD decreased locomotion and rearing behaviors, thereby inhibiting a further impairment induced by mCPP. Plasma concentrations of mCPP were significantly higher in PSD 48 h animals compared to the non-PSD control group. Twenty-four hours of RB combined with mCPP administration produced a slight reduction in locomotion. Our results show that mCPP was able to significantly change the behavior of nave, PSD, and RB mice. When combined with sleep deprivation, there was a higher availability of drug in plasma levels. Taken together, our results suggest that sleep loss can enhance the behavioral effects of the potent psychoactive drug, mCPP, even after a period of rebound sleep. Crown Copyright (C) 2013 Published by Elsevier Inc. All rights reserved.
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