在中央杏仁体内产生的雌激素抑制了疹诱发的口腔疼痛
Phillip Kramer1, Lauren Nguyen1, Paul R Kinchington2
1Department of Biomedical Sciences, Texas A&M University College of Dentistry, Dallas, Texas, USA.
Journal of neuroendocrinology
|February 27, 2025
概括
在大脑中产生的雌激素.
科学领域:
- 神经科学是一个神经科学.
- 内分泌学 在内分泌学.
- 疼痛研究 疼痛研究
背景情况:
- 疹病毒 (Varicella zoster virus,简称VZV) 是导致水和带状疹的病毒.
- 雌激素可以通过影响中央杏仁体来减少VZV诱导的面部疼痛.
- 中枢桃体处理面部或面部疼痛信号,局部雌激素调节神经元功能.
研究的目的:
- 测试中央杏仁核中产生的雌激素是否可以减少VZV诱导的面部疼痛.
- 调查芳酶和雌激素受体α (ERα) 在这种疼痛途径中的作用.
主要方法:
- 雄性大鼠接受了芳酶抑制剂 (莱特) 或ERα激动剂 (PPT) 中枢杏仁体输液.
- VZV或对照细胞被注射到胡须片中.
- 测量了疼痛行为,GABA释放,雌激素水平和神经元活动 (c-Fos).
主要成果:
- 莱特醇增加了疼痛,减少了GABA的释放,同时减少了局部雌激醇.
- PPT可以减少疼痛,增加GABA释放.
- 莱特醇增加了疼痛通路核中的神经元活动;PPT降低了它.
结论:
- 中枢杏仁体中的芳酶衍生性雌激素,通过ERα起作用,减轻VZV口面疼痛.
- 这通过增加GABA释放和减少疼痛通路中的神经元活动而发生.
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