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Alcohol hangover:impairments in behavior and bioenergetics in central nervous system

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摘要 Alcohol hangover(AH)is defined as the temporary state after alcohol binge-like drinking,starting when EtOH is absent in plasma.Results from our laboratory have shown behavioral impairments and mitochon-drial dysfunction in an experimental model of AH in mice.Our model consisted in a single i.p.injection of EtOH(3.8 g/kg BW)or saline solution in male and female mice,sacrificing the animals 6 hours after injection.Motor and affective behavior together with mitochondrial function and free radical production were evaluated in brain cortex and cerebellum during AH.Results showed that hangover animals exhibited a significant reduction in neuromus-cular coordination,motor strength and locomotion together with a loss of gait stability and walking deficiencies.Moreover,an increment in anxiety-like behavior together with fear-related phenotype and depression signs were observed.In relation to bioenergetics metabolism,AH induced a reduction in oxygen uptake,inhibition of respira-tory complexes,changes in mitochondrial membrane permeability,decrease in transmembrane potential,increase in O2•-and H2O2 production and impairment in nitric oxide metabolism.All together our data suggest that the phys-iopathological state of AH involves behavioral impairments and mitochondrial dysfunction in mouse brain cortex and cerebellum showing the long lasting effects of acute EtOH exposure in CNS.
出处 《BIOCELL》 SCIE 2016年第1期30-33,共4页 生物细胞(英文)
基金 supported by grants from Consejo Nacional de Investigaciones Científicas y Técnicas(CONICET,PIP 112-20110100271) Universidad de Buenos Aires(UBA,0020130100255BA),Argentina.
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