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    题名: Extinction and reinstatement of methamphetamine induced conditioned place preference in zebrafish
    作者: 詹銘煥
    Chan, Ming-Huan;Chen, Liao-Chen;Chen, Hwei-Hsien
    贡献者: 神科所
    关键词: bias;clonidine;naltrexone;stress;yohimbine
    日期: 2023-12
    上传时间: 2025-01-17 10:40:05 (UTC+8)
    摘要: Conditioned place preference (CPP) paradigm in zebrafish has been used to measure drug reward, but there is limited research on CPP reinstatement to determine relapse vulnerability. The present study aimed to investigate extinction and reinstatement of methamphetamine (MA)-induced CPP in zebrafish and evaluate the model's predictive validity. Zebrafish received different doses of MA (0–60 mg/kg) during CPP training. The preferred dose of MA at 40 mg/kg was used for extinction via either confined or nonconfined procedures. The extinguished CPP was reinstated by administering a priming dose of MA (20 mg/kg) or various stressors. To assess persistent susceptibility to reinstatement, MA CPP and reinstatement were retested following 14 days of abstinence. In addition, the effects of SCH23390, naltrexone, and clonidine on MA CPP during acquisition, expression, or reinstatement phases were monitored. MA induced CPP in a dose-dependent manner. Both nonconfined and confined extinction procedures time-dependently reduced the time spent on the MA-paired side. A priming dose of MA, chasing stress, or yohimbine reinstated the extinguished CPP. After 14 days of abstinence, the MA CPP remained extinguished and was significantly reinstated by MA priming or chasing stress. Similar to the observations in rodents, SCH23390 suppressed the acquisition of MA CPP, naltrexone reduced the expression and MA priming-induced reinstatement, while clonidine prevented stress-induced reinstatement of MA CPP. This work expanded the zebrafish CPP paradigm to include extinction and reinstatement phases, demonstrating predictive validity and highlighting its potential as a valuable tool for exploring drug relapse.
    關聯: Addiction Biology, Vol.28, No.12, e13351
    数据类型: article
    DOI 連結: https://doi.org/10.1111/adb.13351
    DOI: 10.1111/adb.13351
    显示于类别:[神經科學研究所] 期刊論文

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