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通过减少炎症反应,oxymatrine可以缓解老鼠中枢中风后的疼痛

Hai-Li Li^1,2,3, Xing-Ping Tan^1,3, Xiao-Die Wang^1,3

¹Department of Pain Management, The Affiliated Hospital, Southwest Medical University, Luzhou, People's Republic of China.

Journal of pain research

|September 3, 2025

概括

通过减少炎症,Oxymatrine (OMT) 有效地治疗大鼠中枢中风后疼痛 (CPSP). 在临床前的模型中,这种天然化合物可以缓解神经病痛症状和神经炎症.

科学领域:

神经科学
药理学
免疫学

背景情况:

中心中风后疼痛 (CPSP) 是由脑血管损伤引起的慢性神经性疼痛.
CPSP的特点是对常规的止痛药反应不佳.
氧氨酸 (OMT) 是来自Sophora flavescens Ait. 的天然化合物,具有抗炎和止痛作用.

研究的目的:

在中枢中风后疼痛 (CPSP) 的小鼠模型中研究oxymatrine (OMT) 的治疗潜力.
评估OMT对疼痛值,炎症标志物和CPSP中的质细胞激活的影响.

主要方法:

通过腹部后侧核的焦点出血建立了CPSP的小鼠模型.
每天给老鼠注射不同剂量的OMT或盐水.
评估了疼痛敏感性 (腿部退出机械值),炎症细胞因子 (IL- 1β,IL- 6,TNF-α) 和质细胞激活.

主要成果:

CPSP大鼠表现出炎症标志物升高,并在乳头损伤周围激活了微质细胞和星球细胞.
在CPSP大鼠中,OMT治疗显著降低了机械形.
根据剂量,OMT的使用降低了前炎性细胞因子水平,并抑制了微质和质细胞的激活.

结论:

在临床前的小鼠模型中,Oxymatrine (OMT) 在缓解中枢中风后疼痛 (CPSP) 方面表现出显著的治疗效果.
OMT通过减轻头部损伤部位的神经炎症来减轻疼痛.
作为治疗中枢中风后疼痛的潜在药物,

关键词:

中心中风后的疼痛炎症的发生机械氧氨酸胸膜损伤

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