黄芪皂甙Ⅳ联合ADSC对坐骨神经缺损后大鼠运动功能的修复作用

被引:6
作者
王莹
李文媛
刘贵波
冯克俭
孙平
刘艳翠
机构
[1] 牡丹江医学院
关键词
黄芪皂甙Ⅳ; 脂肪源性干细胞; 脱细胞异体神经; 神经再生;
D O I
暂无
中图分类号
R651.3 [周围神经];
学科分类号
1002 ; 100210 ;
摘要
目的探讨黄芪皂甙Ⅳ联合脂肪源性干细胞(ADSC)对大鼠坐骨神经缺损后运动功能恢复的影响。方法将40只清洁级雄性SD大鼠随机分为4组各10只,4组均采用化学萃取脱细胞方法制备大鼠缺损脱细胞神经支架(ARSN)。ARSN组注入等剂量DMEM于ARSN;黄芪皂甙Ⅳ组注入等剂量DMEM于ARSN,并于术前5 min及术后12、24 h腹腔注射黄芪皂甙Ⅳ(20 mg/kg);ADSC组注入等剂量ADSC(1×106/mL)于ARSN;黄芪皂甙Ⅳ+ADSC组同时采用黄芪皂甙Ⅳ组、ADSC组的方法。用各组的神经移植体桥接长1 cm坐骨神经两断端间的缺损造模,术后8周取材。检测各组坐骨神经功能指数(SFI)、神经电生理参数(神经传导速度、潜伏期、波幅)及胫前肌湿重比率。结果与ARSN组比较,黄芪皂甙Ⅳ组、ADSC组和黄芪皂甙Ⅳ+ADSC组术后各时点SFI增高,神经传导速度增快,潜伏期缩短,波幅增大,胫前肌湿重比率增高(P均<0.05);与黄芪皂甙Ⅳ组比较,黄芪皂甙Ⅳ+ADSC组术后56 d SFI增高,神经传导速度增快,潜伏期缩短,波幅增大,胫前肌湿重比率增高(P均<0.05)。结论黄芪皂甙Ⅳ联合ADSC移植能促进大鼠神经再生和运动功能恢复,其作用优于单独应用黄芪皂甙Ⅳ或ADSC。
引用
收藏
页码:4 / 6
页数:3
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