Mechanism of <italic>Tiansui Tongluo Formula</italic>(填髓通络方) in improving cognitive dysfunction in rats with cerebral small vessel disease

<sec> <title>目的</title> 探究填髓通络方对脑小血管病(CSVD)大鼠认知功能的影响及作用机制。 </sec> <sec> <title>方法</title> 60只SD大鼠随机选12只作为假手术组,剩余大鼠采用双侧颈总动脉永久结扎法构建CSVD模型,造模成功后随机分为模型组、填髓通络方低、高剂量组和盐酸多奈哌齐组。分别灌胃给药28d。Morris水迷宫观察大鼠认知功能;HE染色观察海马CA1区病理形态学变化;ELISA检测血清IL-6、IL-1β、TNF-α的水平;TUNEL染色观察神经细胞凋亡;生化法测量海马SOD、GSH、ROS水平;Western blot检测海马NRG-1、ErbB4、Bcl-2、Bax、Caspase-3蛋白表达;RT-qPCR检测海马NRG-1、ErbB4 mRNA表达。 </sec> <sec> <title>结果</title> 与假手术组相比,模型组大鼠认知功能明显降低,海马结构受损,细胞凋亡率、血清IL-6、IL-1β、TNF-α、ROS水平显著升高,SOD、GSH水平显著降低,海马NRG-1、ErbB4蛋白和mRNA表达显著减少,Bax/Bcl-2、Caspase-3蛋白表达显著升高(<italic>P</italic>&lt;0.01)。与模型组相比,各给药组大鼠认知功能和海马结构损伤显著改善,细胞凋亡率、血清IL-6、IL-1β、TNF-α、ROS水平显著降低,SOD、GSH水平显著升高,海马NRG-1、ErbB4蛋白和mRNA表达显著升高,Bax/Bcl-2、Caspase-3蛋白表达显著减少(<italic>P</italic>&lt;0.05,<italic>P</italic>&lt;0.01)。 </sec> <sec> <title>结论</title> 填髓通络方可以改善CSVD大鼠认知功能和降低海马组织细胞凋亡,其作用机制可能与干预NRG-1/ErbB4信号通路,减轻炎症反应与氧化应激损伤,保护海马CA1区神经元细胞有关。 </sec>

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Publication Details

Journal
Lishizhen medicine and materia medica research
Published
2025-10-01
DOI
https://doi.org/10.70976/j.1008-0805.szgygy-2025-2003
Primary Topic
Neuroinflammation and Neurodegeneration Mechanisms
Type
article
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article

Mechanism of &lt;italic&gt;Tiansui Tongluo Formula&lt;/italic&gt;(填髓通络方) in improving cognitive dysfunction in rats with cerebral small vessel disease

Yuxuan Liu, Dongsheng Guan, Yihan REN, Jing Wang
Lishizhen medicine and materia medica research
Neuroinflammation and Neurodegeneration Mechanisms
article

Mechanism of &lt;italic&gt;Tiansui Tongluo Formula&lt;/italic&gt;(填髓通络方) in improving cognitive dysfunction in rats with cerebral small vessel disease

Yuxuan Liu, Dongsheng Guan, Yihan REN, Jing Wang
article en

Abstract

<sec> <title>目的</title> 探究填髓通络方对脑小血管病(CSVD)大鼠认知功能的影响及作用机制。 </sec> <sec> <title>方法</title> 60只SD大鼠随机选12只作为假手术组,剩余大鼠采用双侧颈总动脉永久结扎法构建CSVD模型,造模成功后随机分为模型组、填髓通络方低、高剂量组和盐酸多奈哌齐组。分别灌胃给药28d。Morris水迷宫观察大鼠认知功能;HE染色观察海马CA1区病理形态学变化;ELISA检测血清IL-6、IL-1β、TNF-α的水平;TUNEL染色观察神经细胞凋亡;生化法测量海马SOD、GSH、ROS水平;Western blot检测海马NRG-1、ErbB4、Bcl-2、Bax、Caspase-3蛋白表达;RT-qPCR检测海马NRG-1、ErbB4 mRNA表达。 </sec> <sec> <title>结果</title> 与假手术组相比,模型组大鼠认知功能明显降低,海马结构受损,细胞凋亡率、血清IL-6、IL-1β、TNF-α、ROS水平显著升高,SOD、GSH水平显著降低,海马NRG-1、ErbB4蛋白和mRNA表达显著减少,Bax/Bcl-2、Caspase-3蛋白表达显著升高(<italic>P</italic>&lt;0.01)。与模型组相比,各给药组大鼠认知功能和海马结构损伤显著改善,细胞凋亡率、血清IL-6、IL-1β、TNF-α、ROS水平显著降低,SOD、GSH水平显著升高,海马NRG-1、ErbB4蛋白和mRNA表达显著升高,Bax/Bcl-2、Caspase-3蛋白表达显著减少(<italic>P</italic>&lt;0.05,<italic>P</italic>&lt;0.01)。 </sec> <sec> <title>结论</title> 填髓通络方可以改善CSVD大鼠认知功能和降低海马组织细胞凋亡,其作用机制可能与干预NRG-1/ErbB4信号通路,减轻炎症反应与氧化应激损伤,保护海马CA1区神经元细胞有关。 </sec>

Lishizhen medicine and materia medica researchVol. 36(20)
Openalex Percentile: Top 36%
Neuroinflammation and Neurodegeneration Mechanisms
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Mechanism of &amp;lt;italic&amp;gt;Tiansui Tongluo Formula&amp;lt;/italic&amp;gt;(填髓通络方) in improving cognitive dysfunction in rats with cerebral small vessel disease — Yuxuan Liu, Dongsheng Guan, et al. · Lishizhen medicine and materia medica research (2025) | TGRS Research Map | TGRS