托皮拉对氧化应激/NMDA/氧化路径的调节减轻了小鼠对吗啡的依赖
Shabir Hussain1, Haji Bahadar1,2, Muhammad Imran Khan3
1Department of Pharmacology, Institute of Basic Medical Sciences, Khyber Medical University, Peshawar, Khyber Pakhtunkhwa, Pakistan.
Heliyon
|December 25, 2024
概括
托皮拉是一种抗药物,有效降低了小鼠对吗啡的依赖和戒断症状. 它通过抑制氧化应激和调节N-甲基-D-酸盐/氧化路径来起作用.
科学领域:
- 神经科学是一个神经科学.
- 药理学 药理学是指药理学的学科.
- 成研究 研究成研究
背景情况:
- 吗啡依赖和戒断是重大的临床挑战.
- N-甲基-D-酸盐 (NMDA) 受体,氧化 (NO) 和cGMP通路都与阿片类药物依赖有关.
- 托皮拉是一种抗药物,具有多种受体相互作用.
研究的目的:
- 在小鼠模型中研究托皮拉马特在缓解吗啡依赖和戒断方面的疗效.
- 探索NMDA/NO通路在托皮拉对吗啡依赖的影响中的作用.
主要方法:
- 在施用吗啡之前,小鼠先用不同剂量的托皮拉马特进行预治疗.
- 评估了纳洛诱导的戒断症状.
- 与NMDA受体对抗剂/激动剂和氧化合成酶抑制剂/基质同时使用.
- 活体分析检查了脑组织中的氧化应激和基因/蛋白质表达 (nNOS,NR1,NR2B).
主要成果:
- 托皮拉 (20 mg/kg) 显著降低了纳洛诱导的戒断症状.
- 托皮拉与NMDA抗剂或NOS抑制剂相结合的低效剂量进一步降低了戒断症状.
- 托皮拉的作用被NMDA激动剂或NOS基质逆转.
- 托皮拉降低了氧化应激,并降低了海马和皮质中的nNOS,NR1和NR2B基因和蛋白质表达.
结论:
- 托皮拉显示出作为一种辅助疗法的潜力,用于管理吗啡依赖和戒断.
- 这些发现表明,托皮拉通过抑制氧化应激和调节NMDA/NO通路来发挥其作用.
- 对托皮拉的神经保护和抗上特性进行进一步的研究是有必要的.
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