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牙周膜炎的内变化及其与手术前症状的相关性
Austah Obadah1, Johnathan Fu2, David Wong2
1Department of Endodontics, University of Texas Health Science Center at San Antonio, San Antonio, Texas; Faculty of Dentistry, Department of Endodontics, King Abdulaziz University, Jeddah, Saudi Arabia.
Journal of endodontics
|August 7, 2025
概括
症状的顶牙牙周炎 (AP) 显著增加了感觉神经密度和与疼痛相关的通道Nav1.8和Nav1.9.的表达. 这些神经变化可能会导致AP疼痛和麻醉耐药性.
科学领域:
- 神经科学是一个神经科学.
- 口腔生物学 口腔生物学
- 疼痛研究 疼痛研究
背景情况:
- 上牙周炎 (AP) 病变的细胞性是已知的,但神经内接仍未得到充分研究.
- 周周内受影响AP细胞反应和疼痛.
- 纳维1.8和纳维1.9通道参与疼痛信号传递.
研究的目的:
- 在AP病变中量化感官内置.
- 为了评估Nav1.8和Nav1.9表达的症状与无症状AP.
- 了解神经变化在AP疼痛中的作用.
主要方法:
- 在内牙微手术中进行软组织活检 (n=20).
- 对神经标记物 (β-tubulin III,CGRP,NF-H,PGP9.5) 和通道 (Nav1.8,Nav1.9) 的蛋白质提取和免疫组织化学.
- 通过ELISA和共聚焦显微镜进行量化;使用曼-惠特尼U测试进行统计分析.
主要成果:
- 与无症状病变相比,有症状的AP病变的内腔密度高出约6倍.
- 在有症状的AP中显著增加了Nav1.8和Nav1.9表达.
- 在症状性病变中,Nav1.8-表达 (nociceptive) 神经纤维的优势.
结论:
- 症状的AP表现出高度的感官内化和高的Nav1.8 / Nav1.9表达.
- 这些神经变化可能驱动AP疼痛机制.
- 增加内置可以解释症状AP的局部麻醉的挑战.
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