Yohimbine stress potentiates conditioned cue-induced reinstatement of heroin-seeking in rats.

Yohimbine stress potentiates conditioned cue-induced reinstatement of heroin-seeking in rats.
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DOI:
10.1016/j.bbr.2009.11.030
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发表时间:
2010-03-17
影响因子:
2.7
通讯作者:
See, Ronald E.
See, Ronald E.
中科院分区:
心理学3区
文献类型:
--
作者:
Banna, Kelly M.;Back, Sudie E.;Do, Phong;See, Ronald E.

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压力和药物相关的线索可以触发戒断药物依赖个体的渴望和复发。虽然这两个关键因素在复发中的作用已被广泛研究,但压力和药物相关线索在复发中的相互作用尚未得到很好的表征。使用复发的动物模型,我们评估了药理学应激,育亨宾(1.25或2.5毫克/公斤),恢复熄灭的海洛因寻求在大鼠无论是在存在或不存在海洛因相关的线索的影响。在没有海洛因相关线索的情况下,育亨宾及其本身的线索可靠地恢复了对海洛因的寻求,超过了灭绝水平。值得注意的是,当育亨宾在提示诱导的恢复之前时,动物表现出显着增强的反应(比单独的提示或育亨宾高3至4倍)。这些结果表明,暴露于海洛因配对线索育亨宾诱导的压力,极大地增强了海洛因的寻求,并支持在复吸干预过程中的压力和线索激活的同时瞄准。
Stress and drug-associated cues can trigger craving and relapse in abstinent drug-dependent individuals. Although the role of these two critical factors in relapse has been extensively studied, the interaction between stress and drug-associated cues in relapse has been less well characterized. Using an animal model of relapse, we assessed the effects of the pharmacological stressor, yohimbine (1.25 or 2.5 mg/kg), on reinstatement of extinguished heroin-seeking in rats either in the presence or absence of heroin-associated cues. Yohimbine, in the absence of heroin-associated cues, and cues by themselves reliably reinstated heroin-seeking over extinction levels. Notably, animals showed significantly potentiated responding when yohimbine preceded cue-induced reinstatement (3 to 4x higher over cues or yohimbine alone). These results demonstrate that exposure to heroin-paired cues during yohimbine-induced stress greatly potentiates heroin-seeking, and support the simultaneous targeting of both stress and cue activation during relapse intervention.
DOI: 10.1016/j.bbr.2006.06.039
发表时间: 2006-11-01
影响因子: 2.7
作者:
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通讯作者: See, Ronald E.
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DOI: 10.1046/j.1360-0443.2002.00227.x
发表时间: 2002-10-01
期刊: ADDICTION
影响因子: 6
作者:
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通讯作者: Marsden, J