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    題名: Attenuation of toluene-induced brain stimulation reward enhancement and behavioral disturbances by N-acetylcysteine in mice
    作者: Wu, Chia-Yen
    Tsai, Yi-Lin
    Hsieh, Chung-Pin
    Wang, Tsui Chin
    詹銘煥
    Chan, Ming-Huan
    Chen, Hwei-Hsien
    貢獻者: 神經科學研究所
    關鍵詞: Cystine-glutamate antiporter;mGluR2/3;Intracranial self-stimulation;Novel object recognition;Social interaction;Rotarod
    日期: 2018-09
    上傳時間: 2018-07-24 16:50:02 (UTC+8)
    摘要: Toluene, a commonly used organic solvent, produces a variety of behavioral disturbances in both humans and animals comparable to noncompetitive N-methyl-D-aspartate receptor (NMDARs) antagonists, such as phencyclidine (PCP). N-acetylcysteine (NAC) is capable of reversing the psychotomimetic effects of PCP via activation of cystine-glutamate antiporters (xCT). The present study examined whether NAC is capable of attenuating the toluene-induced brain stimulation reward enhancement and behavioral manifestations. Male mice received various doses of NAC prior to toluene exposure for assessment of intracranial self-stimulation (ICSS) thresholds, rotarod test, novel object recognition task and social interaction test. NAC ameliorated the lowering of ICSS thresholds, motor incoordination, object recognition memory impairments and social withdrawal induced by toluene. Furthermore, the capacity of NAC to ameliorate acute toluene-induced deficits in object recognition and social interaction was blocked by the xCT inhibitor (S)-4-carboxyphenylglycine and the mGluR2/3 antagonist LY341495. These results indicate that NAC could prevent toluene-induced reward facilitation and behavioral disturbances and its beneficial effects, at least for cognitive function and social interaction, are associated with activation of the xCT and mGluR2/3. These findings show the potential promise for NAC to treat toluene dependence and to prevent toluene intoxication caused by unintentional or deliberate inhalation.
    關聯: Toxicology,Volume 408, Pages 39-45
    資料類型: article
    DOI 連結: https://doi.org/10.1016/j.tox.2018.06.011
    DOI: 10.1016/j.tox.2018.06.011
    顯示於類別:[神經科學研究所 ] 期刊論文

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