银胺Rg1缓解长期异氨酸麻醉引起的神经免疫障碍
Xin Meng1, Shumin Gong1, Xiao Jia1
1NMPA Key Laboratory for Research and Evaluation of Narcotic and Psychotropic Drugs, Jiangsu Province Key Laboratory of Anesthesiology, Jiangsu Province Key Laboratory of Anesthesia and Analgesia Application, Xuzhou Medical University, Xuzhou, Jiangsu, China.
通过调节性T细胞 (Tregs) 恢复肠-免疫-大脑轴,保护Rg1抗麻醉引起的认知衰退和免疫问题. 这种天然化合物可以治疗术后的神经并发症.
科学领域:
- 神经科学
- 免疫学
- 药理学
背景情况:
- 帕纳克斯人参中的金赛诺化物Rg1传统上用于认知增强,并显示具有神经保护作用.
- 神经疲劳和免疫失调与认知障碍有关.
研究的目的:
- 对长期全身麻醉引起的神经行为和免疫功能障碍进行研究.
- 阐明基因化物Rg1在缓解麻醉引起的并发症中的作用机制.
主要方法:
- 在6小时的异氨酸麻醉后,小鼠接受了人参化物Rg1 (10 mg/ kg).
- 评估了神经行为测试 (Y迷宫,开放场),海马突触功能,炎症标志物 (IL-6,TNF-α),肠道透性和调节性T细胞 (Tregs).
- 使用DEREG小鼠进行Treg切除,证实了Treg依赖性.
主要成果:
- 长期麻醉导致焦虑,认知缺陷,炎症,突触功能受损,肠道透性增加,Tregs降低.
- 这些缺陷得到了逆转,改善了行为,减少了炎症,恢复了突触和肠道的完整性.
- 兴生素Rg1的益处取决于调节性T细胞 (Tregs),Treg水平与认知能力的改善相关.
结论:
- 催化剂Rg1有效地改善了麻醉引起的神经免疫功能障碍.
- 该机制涉及通过调节性T细胞 (Tregs) 调节的肠免疫脑轴的恢复.
- 对于预防手术后的神经并发症而言,金赛诺化物Rg1是一个有前途的治疗策略.
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