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川芎嗪对紫杉醇诱发神经痛大鼠脊髓背角和背根神经节中NGF表达的影响 被引量:5

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摘要 目的:观察川芎嗪对紫杉醇所致的神经痛SD大鼠疼痛行为学的影响,并检测大鼠脊髓背角和背根神经节中神经生长因子(nerve growth factor,NGF)的表达。方法:30只成年雄性SD大鼠随机分为4组,各组分别在第1、3、5、7天腹腔注入2.0mg/(kg·d)紫杉醇,A组(n=6)为对照组,第1~14天,B组(n=8)腹腔注入川芎嗪200mg/(kg·d),C组(n=8)口服普瑞巴林3mg/(kg·d),D组(n=8)同时腹腔注射川芎嗪和口服普瑞巴林,剂量同B、C组。分别于用药前1天和用药后第7、12、16、20天测定大鼠的机械缩足反射阈值(MWT),用药后第22天用免疫组化法检测大鼠腰膨大脊髓背角和背根神经节中NGF的表达。结果:相对于A组,B、C、D组大鼠模型分别在第12天、第7天开始出现有统计学意义的MWT升高,并一直稳定持续升高到实验结束,B、C两组疗效相当,相对于C组,D组止痛效果更明显。NGF检测发现对照组表达明显增高,川芎嗪加普瑞巴林减低NGF的表达最明显。结论:川芎嗪能有效防治紫杉醇所致的大鼠神经病理性疼痛,疗效与普瑞巴林相似,与普瑞巴林还有明显的协同作用,作用机理可能是减低中枢神经系统中NGF的表达从而减轻神经损伤,是值得进一步研究的防治化疗神经痛的中药。
出处 《四川中医》 2016年第1期59-62,共4页 Journal of Sichuan of Traditional Chinese Medicine
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