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Metab Brain Dis ; 29(1): 185-92, 2014 Mar.
Article in English | MEDLINE | ID: mdl-24385143

ABSTRACT

Studies have consistently reported the participation of oxidative stress in bipolar disorder (BD). Evidences indicate that omega-3 (ω3) fatty acids play several important roles in brain development and functioning. Moreover, preclinical and clinical evidence suggests roles for ω3 fatty acids in BD. Considering these evidences, the present study aimed to investigate the effects of ω3 fatty acids on locomotor behavior and oxidative stress parameters (TBARS and protein carbonyl content) in brain of rats subjected to an animal model of mania induced by fenproporex. The fenproporex treatment increased locomotor behavior in saline-treated rats under reversion and prevention model, and ω3 fatty acids prevented fenproporex-related hyperactivity. Moreover, fenproporex increased protein carbonyls in the prefrontal cortex and cerebral cortex, and the administration of ω3 fatty acids reversed this effect. Lipid peroxidation products also are increased in prefrontal cortex, striatum, hippocampus and cerebral after fenproporex administration, but ω3 fatty acids reversed this damage only in the hippocampus. On the other hand, in the prevention model, fenproporex increased carbonyl content only in the cerebral cortex, and administration of ω3 fatty acids prevented this damage. Additionally, the administration of fenproporex resulted in a marked increased of TBARS in the prefrontal cortex, hippocampus, striatum and cerebral cortex, and prevent this damage in the prefrontal cortex, hippocampus and striatum. In conclusion, we are able to demonstrate that fenproporex-induced hyperlocomotion and damage through oxidative stress were prevented by ω3 fatty acids. Thus, the ω3 fatty acids may be important adjuvant therapy of bipolar disorder.


Subject(s)
Amphetamines/toxicity , Antioxidants/therapeutic use , Behavior, Animal/drug effects , Bipolar Disorder/drug therapy , Fatty Acids, Omega-3/therapeutic use , Oxidative Stress/drug effects , Animals , Antioxidants/pharmacology , Bipolar Disorder/chemically induced , Bipolar Disorder/psychology , Brain/drug effects , Brain/metabolism , Disease Models, Animal , Exploratory Behavior/drug effects , Fatty Acids, Omega-3/pharmacology , Hyperkinesis/chemically induced , Hyperkinesis/drug therapy , Lipid Peroxidation/drug effects , Male , Presynaptic Terminals/drug effects , Protein Carbonylation/drug effects , Rats , Rats, Wistar , Thiobarbituric Acid Reactive Substances/analysis
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