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素调节S1和BLA之间的大脑功能变化在患有慢性疼痛和焦虑的老鼠中
Yuanyuan Fang1, Xiaokai Sui1, Danhao Zheng2
1Department of Anaesthesiology, Zhongnan Hospital, Wuhan University, Wuhan, China.
乙胺通过使大脑连接和谷氨酸代谢正常化,可以缓解老鼠的慢性疼痛和焦虑. 这表明埃斯基他胺是复杂的疼痛和焦虑障碍的潜在治疗方法.
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.
- 行为科学 行为科学
背景情况:
- 慢性疼痛和焦虑并发症显著影响神经功能.
- 研究慢性疼痛和焦虑之间的相互作用对于理解神经系统疾病至关重要.
- 该研究探讨了由于慢性疼痛和焦虑而导致的大脑新陈代谢和功能连接的改变.
研究的目的:
- 在慢性疼痛和焦虑的老鼠模型中调查大脑新陈代谢和功能连接变化.
- 检查埃斯基他胺在缓解这些神经变化的治疗潜力.
主要方法:
- 一种节省神经损伤 (SNI) 模型被用于诱导雄性大鼠的慢性疼痛和焦虑.
- 用疼痛值,开放场测试 (OFT) 和升高加迷宫 (EPM) 来评估疼痛和焦虑行为.
- 功能性磁共振成像 (fMRI),NMR光谱和c-Fos免疫染被用于分析大脑变化,而内注射了埃斯基他胺.
主要成果:
- 在SNI大鼠中,石胺治疗显著降低了过敏症和类似焦虑的行为.
- SNI诱导大脑皮质,条体和丘脑中的Glx3丰富度增加;胺减少皮质Glx3,表明谷氨酸动态正常化.
- 埃斯凯特胺逆转了右侧主要体感皮层 (S1_R) 与底侧杏仁体 (BLA) 之间的功能连接增加,并降低了这些区域的神经元激活.
结论:
- 在老鼠模型中,Esketamine有效地缓解慢性疼痛和焦虑症状.
- 乙胺的治疗效果与S1_R-BLA功能连接性降低和大脑谷氨酸代谢正常化有关.
- 埃斯凯特胺显示出作为治疗剂的承诺,用于管理并发性慢性疼痛和焦虑症.
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