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Caffeine prevents high-intensity exercise-induced increase in enzymatic antioxidant and Na+-K+-ATPase activities and reduction of anxiolytic like-behaviour in rats.

Juliano M VieiraFabiano Barbosa CarvalhoJessié Martins GutierresMayara S P SoaresPathise Souto OliveiraMaribel A RubinVera Maria Melchiors MorschMaria Rosa Chitolina SchetingerRoselia Maria Spanevello
Published in: Redox report : communications in free radical research (2017)
HIIT-induced anxiolytic-like behaviour increased Na+-K+-ATPase and GPx activities and TBARS levels, altered the activities of SOD and CAT in different brain regions, and decreased GSH levels. Caffeine, however, elicited anxiogenic-like behaviour and blocked HIIT effects. The combination of caffeine and HIIT prevented the increase in SOD activity in the cerebral cortex and GPx activity in three brain regions. Our results show that caffeine promoted anxiogenic behaviour and prevented HIIT-induced changes in the antioxidant system and Na+-K+-ATPase activities.
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