Repeated clorgyline treatment inhibits methamphetamine-induced behavioral sensitization in mice - PubMed (original) (raw)

Repeated clorgyline treatment inhibits methamphetamine-induced behavioral sensitization in mice

Nobue Kitanaka et al. Neurochem Res. 2005 Apr.

Abstract

Following the expression of the behavioral sensitization by repeated administration of methamphetamine (METH) (1 mg/kg, intraperitoneal (i.p.), once per day for five consecutive days), male ICR mice were treated with clorgyline (1 mg/kg, subcutaneous, once per day for five consecutive days), a monoamine oxidase-A inhibitor. Two hours after the final treatment with clorgyline, the mice were challenged with METH (1 mg/kg, i.p.) and locomotor activity was measured for 1 h. The mice treated with clorgyline showed a significant decrease in both vertical locomotion and horizontal rearing, compared with those treated with saline. Clorgyline treatment altered the effect of single METH challenges on apparent dopamine turnover in the cerebral cortex of the mice sensitized to METH. These results suggested a possible association of the inhibition by clorgyline of METH-induced behavioral sensitization with the alteration of dopamine turnover in the cerebral cortex of the mouse.

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