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人脐带间充质干细胞移植治疗CCl_4致肝硬化大鼠的病理变化

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摘要 目的探讨人脐带间充质干细胞(human umbilical cord mesenchymal stem cells,HU-MSCs)移植至CCl4所致的肝硬化大鼠体内后,肝组织的病理变化。方法随机选取健康雄性SD大鼠35只,于其中随机选取8只作为正常组,另同样方法选取27只SD大鼠给予40%CCl4溶液每周2次腹部皮下注射,用来制备肝硬化大鼠模型,造模成功后,随机分为肝硬化组和HU-MSCs移植组,HU-MSCs移植组给予HU-MSCs 1×107经尾静脉移植,移植后3周处死所有大鼠,进行肝组织病理学检测并定量分析肝纤维化改变情况。结果正常组和肝硬化组中均未发现阳性表达的抗人EGF-R存在,HU-MSCs移植组中发现较多抗人内皮生长因子受体(EGF-R)的表达;三组中肝纤维化含量均具有差异性,肝硬化组含量明显增加,移植组纤维化含量较肝硬化组降低。结论 HU-MSCs移植到肝硬化大鼠体内,能够长期存活,并改善肝组织的纤维化程度。
出处 《中国医学工程》 2012年第10期38-39,共2页 China Medical Engineering
基金 辽宁省教育厅基金项目(L2010270)
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