体GABA B受体:涉及皮质β动态和thalamic网状核活动
Nelson Villalobos1,2, Victor Manuel Magdaleno-Madrigal3,4
1Academia de Fisiología, Escuela Superior de Medicina, Instituto Politécnico Nacional, Plan de San Luis y Díaz Mirón, Colonia Casco de Santo Tomás, 11340, México City, México. nvillalobosv@ipn.mx.
The journal of physiological sciences : JPS
|June 16, 2023
概括
外部白球体 (GP) 通过GP-thalamic网状核 (RTn) 途径调节大脑节律. 在GP中GABA B受体的激活影响RTn活动和运动皮层β振荡.
科学领域:
- 神经科学是一个神经科学.
- 系统神经科学 系统神经科学
- 计算神经科学是一种神经科学.
背景情况:
- 基底 - - thalamus - - 皮质网络同步神经活动.
- GABA B受体调节全球体 (GP) 活动和GABAergic传播.
- 在GP-thalamic网状核 (RTn) 途径的功能性作用是未知的.
研究的目的:
- 研究GABA B受体在GP-RTn通路中的作用.
- 为了确定GP-RTn通路如何影响皮质动态.
- 测试GABA B受体调解GP对皮质振荡的影响的假设.
主要方法:
- 麻醉大鼠中RTn神经元的单单元记录.
- 运动皮层 (MCx) 的脑电图 (EEG).
- 医生注射GABA B激动剂 (巴克洛芬) 和对抗剂 (萨克洛芬).
主要成果:
- GABA B激动剂增加了RTn升率,降低了MCxβ频段功率.
- GABA B对抗剂降低了RTn发射,逆转了对MCxβ功率的影响.
- 通过GP-RTn网络和RTn活动,GP调节皮质振荡.
结论:
- 该GP通过GP-RTn通路影响皮质振荡动态.
- 一般医生对RTn活动的调调节是关键机制.
- 在这种调节电路中,GABA B受体起着至关重要的作用.
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