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Buspirone fails to affect cocaine-induced conditioned place preference in the mouse.

机译:丁螺环酮不能影响可卡因诱导的小鼠条件性位置偏爱。

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The conditioned place preference (CPP) procedure was employed to examine the effects of the 5-hydroxytryptamine1A (5-HT1A) receptor agonist, buspirone, on cocaine reinforcement. Cocaine (5.0 mg/kg, S.C., 30 min) produced a significant place preference whereas buspirone (0.5-2.0 mg/kg, I.P., 30 min) per se failed to induce a CPP. Buspirone pretreatment (0.5-2.0 mg/kg, I.P.) 30 min prior to cocaine (5.0 mg/kg, S.C., 30 min) conditioning had no effect on the acquisition of cocaine-induced CPP. Pretreatment with buspirone on the postconditioning test day also failed to affect the expression of an already established place preference response to cocaine. These results demonstrate an inability of buspirone to block both the acquisition and the expression of cocaine reward, as modeled in the CPP paradigm.
机译:使用条件位置偏爱(CPP)程序来检查5-羟色胺1A(5-HT1A)受体激动剂丁螺环酮对可卡因强化的作用。可卡因(5.0 mg / kg,S.C.,30分钟)产生明显的位置偏好,而丁螺环酮(0.5-2.0 mg / kg,I.P.,30分钟)本身未能诱导CPP。可卡因(5.0 mg / kg,S.C.,30分钟)之前30分钟的丁螺环酮预处理(0.5-2.0 mg / kg,腹膜内)对获得可卡因诱导的CPP没有影响。在后处理试验当天用丁螺环酮进行的预处理也未影响可卡因已经建立的位置偏爱反应的表达。这些结果表明,如CPP范例所示,丁螺环酮无法阻止可卡因奖励的获得和表达。

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