在BNST中的压力组合调解了伴随性焦虑和睡眠障碍
Haiyan Sun1, Zhentong Qiu1, Xin Liu1
1Jiangsu Province Key Laboratory of Anesthesiology & Jiangsu Province Key Laboratory of Anesthesiology and Brain Science, NMPA Key Laboratory for Research and Evaluation of Narcotic and Psychotropic Drugs, Xuzhou Medical University, Xuzhou 221004, China.
Science advances
|February 4, 2026
概括
研究人员在末端 (BNST) 的床核中发现了一个大脑电路,该电路控制着焦虑和失眠. 激活这个电路会使焦虑和睡眠问题恶化,而禁用它会改善这些问题.
科学领域:
- 神经科学是一个神经科学.
- 行为神经科学 行为神经科学
- 睡眠科学 睡眠科学
背景情况:
- 焦虑和失眠经常同时发生,但具体的大脑机制尚不清楚.
- 终端 (BNST) 的床核与压力和情绪调节有关.
研究的目的:
- 为了识别焦虑和失眠的共同疾病背后的神经回路.
- 调查BNST在调节焦虑类行为和睡眠-清醒状态中的作用.
主要方法:
- 使用慢性克制压力 (CRS) 的小鼠模型.
- 在BNST中激活和非激活特定的神经元组合.
- 检查了类似焦虑的行为和非快速眼动 (NREM) 睡眠.
- 研究了BNST神经元向背面的拉菲核 (DRN) 和前视区域 (POA) 的下游投影.
主要成果:
- 一个BNST神经元子集在焦虑和清醒期间表现出增加的活动.
- 这些BNST神经元的激活在CRS小鼠中加剧了焦虑和减少了NREM睡眠.
- 这些BNST神经元的失活减轻了焦虑,促进了NREM睡眠.
- BNST神经元投射到DRN (调节焦虑) 和POA (调节睡眠和清醒状态).
结论:
- 过度活跃的BNST压力组合在CRS小鼠中驱动焦虑类行为和睡眠障碍.
- BNST合奏对DRN和POA的分歧预测会对焦虑和睡眠产生模式特异性的影响.
- 针对BNST电路可能为伴随性焦虑和失眠提供治疗策略.
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