Glutathione and redox signaling in substance abuse.

Glutathione and redox signaling in substance abuse.
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DOI:
10.1016/j.biopha.2014.06.001
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发表时间:
2014-07
期刊:
Biomedicine & pharmacotherapy = Biomedecine & pharmacotherapie
影响因子:
--
通讯作者:
Townsend DM
Townsend DM
中科院分区:
其他
文献类型:
--
作者:
Uys JD;Mulholland PJ;Townsend DM

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在过去的几十年里,药物滥用的原因和后果已经扩展到识别与成瘾行为相关的潜在神经生物学信号机制。长期使用可卡因、甲基苯丙胺和酒精等药物会导致氧化或亚硝化应激(ROS/RNS)的形成以及谷胱甘肽和氧化还原稳态的变化。重要的是,半胱氨酸残基上的氧化还原敏感的翻译后修饰,如S-谷胱甘肽化和S-亚硝基化,可以影响成瘾相关信号蛋白的结构和功能。在这篇评论中,我们评估了谷胱甘肽和氧化还原信号在可卡因,甲基苯丙胺和酒精成瘾中的作用,并通过讨论靶向氧化还原途径对这些物质滥用障碍进行治疗干预的可能性得出结论。
Throughout the last couple decades, the cause and consequences of substance abuse has expanded to identify the underlying neurobiological signaling mechanisms associated with addictive behavior. Chronic use of drugs, such as cocaine, methamphetamine and alcohol leads to the formation of oxidative or nitrosative stress (ROS/RNS) and changes in glutathione and redox homeostasis. Of importance, redox-sensitive post-translational modifications on cysteine residues, such as S-glutathionylation and S-nitrosylation could impact on the structure and function of addiction related signaling proteins. In this commentary, we evaluate the role of glutathione and redox signaling in cocaine-, methamphetamine- and alcohol addiction and conclude by discussing the possibility of targeting redox pathways for the therapeutic intervention of these substance abuse disorders.
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