在失眠障碍患者中异常的下丘脑功能连接和血清刺激促进神经递质:试点研究
Jingjing Lin1, Zhenye Luo2, Mei Fan3
1Department of Psychiatry, The First Affiliated Hospital of Jinan University, Guangzhou, Guangdong Province, China.
PeerJ
|November 25, 2024
概括
失眠障碍 (ID) 患者表现出大脑连接的改变,特别是在下丘脑,以及兴奋神经递质的升高. 这些变化,包括胰岛素水平,可能是ID患者睡眠障碍的基础.
科学领域:
- 神经科学是一个神经科学.
- 医疗成像医学成像
- 内分泌学 在内分泌学.
背景情况:
- 失眠障碍 (ID) 是一种影响睡眠和清醒调节的普遍疾病.
- 下丘脑在维持睡眠和清醒方面发挥着至关重要的作用.
- 异常功能连接 (FC) 和神经化学失衡与ID病理生理学有关.
研究的目的:
- 在患有失眠障碍 (ID) 的个体中研究前后下丘脑的全脑功能连接 (FC).
- 在ID患者中,探索下丘脑FC与激发促进神经递质,特别是素A和组胺的血清水平之间的关系.
主要方法:
- 休息状态功能磁共振成像 (RS-fMRI) 用于评估30名ID患者和30名健康对照者的下丘脑FC.
- 使用酶相关免疫吸收试验 (ELISA) 测量了素-A和组胺的血清度.
- 斯皮尔曼相关性分析检查了FC值和神经递质水平之间的关联.
主要成果:
- ID患者表现出后下丘脑和像轨道上额头环,角环,前带皮质,前环和中部上额头环等区域之间的FC降低.
- 在ID患者中,也观察到前垂体和右前环状皮层之间减少了FC.
- 与对照组相比,ID患者的甲氧素-A和基因组胺血清水平显著更高,在后垂体FC和基因组胺水平之间发现了正相关性.
结论:
- 失眠障碍的特征是大脑区域的功能连接中断,这些区域对睡眠和清醒的调节至关重要,包括默认模式网络和前带皮层.
- 这些连接性变化可能与偏远基因组胺水平升高有关.
- 这项研究强调了潜在的神经成像和神经幽默机制,这些机制有助于失眠.
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