胡侦明,劳汉昌.脊髓损伤早期三七总皂甙抗氧自由基作用的实验研究[J].中国脊柱脊髓杂志,1996,(4):.
脊髓损伤早期三七总皂甙抗氧自由基作用的实验研究
The studies of panax notoginseng saponins on anti-oxygen free radical of early experimental rat spinal cord injury
  
DOI:
中文关键词:  脊髓损伤,三七总皂甙,丙二醛,超氧化物歧化酶,鼠
英文关键词:Spinal cord injury Panax notoginseng saponins Malondialdehyde Superoxide dismutasw Rat
基金项目:
胡侦明  劳汉昌
上海第二医科大学附属九院骨科,昆明医学院附属第二医院骨科
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中文摘要:
  Wistar大鼠48只随机分三组,Allen's脊髓损伤(SCI)模型250g·cm致伤T_(13)~L_1脊髓节段,腹腔注射三七总皂甙(PNS),伤后30min时100mg/kg,2h及4h各50mg/kg;以二甲亚砜(DMSO)为抗氧自由基阳性对照药物,并设立空白对照。伤后1h及4h取伤区脊髓组织测定丙二醛(MDA)及超氧化物歧化酶(SOD),发现PNS显著减少MDA的生成,保护SOD活力降低。组织形态学观察到灰质区出血坏死,髓鞘分离及线粒体水肿较轻。提示SCI早期PNS具有明显的抗氧自由基反应和减轻继发性损害的作用。
英文摘要:
  
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