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Simvastatin抑制白介素-6的产生促进大鼠坐骨神经再生

Orthopedic Journal of China(2006)

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Abstract
[目的]探讨他汀类(statins)药物S imvastatin促进大鼠坐骨神经修复及其免疫调节机制。[方法]制作SD大鼠坐骨神经钳夹损伤(crush)模型,分别予S imvastatin和溶媒(0.3%羧甲基纤维素钠)对照干预2周,并设立假手术组。手术后作行为学、神经电生理学、组织学计价和血清TNFα-和IL-6检测。[结果]S imvastatin干预组趾展功能指数在术后5、8 d较对照组大,2周肌肉复合动作电位(CMAP)幅度高,4周神经传导速度(NCV)快;手术后5 d,血清IL-6和TNFα-水平均低于对照组,尤以IL-6为明显;S imvastatin干预组神经再生形态优于对照组。[结论]S imvastain可能通过减少血清IL-6和TNFα-的生成,抑制免疫反应,对大鼠坐骨神经crush损伤修复产生促进作用。
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Key words
CMAP,TNF-α,sciatic nerve regeneration,simvastatin,IL-6
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