脐血间充质干细胞移植对脑梗死大鼠神经功能及细胞凋亡的影响
杨松林,王清勇,向光红,易艳辉,朱德茂
摘要(Abstract):
目的观察脐血间充质干细胞(UCBMSCs)对脑梗死大鼠神经功能及神经细胞凋亡的影响。方法实验分假手术组、对照组、移植组,采用颈内动脉线栓法制作脑梗死大鼠模型,移植组于成模后1 d、4 d经尾静脉移植2×106UCBM-SCs,假手术组和对照组尾静脉注射等量PBS,移植后7 d、14 d进行神经功能评分,TUNEL法测定脑组织凋亡细胞数。结果 UCBMSCs移植后7 d、14 d脑梗死大鼠神经功能较梗死组改善不明显,但神经细胞凋亡数减少。结论脑梗死后早期移植UCBMSCs促进神经功能恢复作用有限。
关键词(KeyWords): 脐血间充质干细胞;脑梗死;细胞凋亡
基金项目(Foundation):
作者(Author): 杨松林,王清勇,向光红,易艳辉,朱德茂
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