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中华普通外科学文献(电子版) ›› 2011, Vol. 05 ›› Issue (01) : 12 -16. doi: 10.3877/cma.j.issn.1674-0793.2011.01.004

所属专题: 文献

论著

同种异体肝细胞与脂肪间质干细胞移植治疗肝硬化的实验对照研究
向贤宏1, 李家平1,(), 谭国胜1, 陈柳琴2, 陈伟1, 杨建勇1   
  1. 1. 510080 广州,中山大学附属第一医院介入放射科
    2. 广东省人民医院检验科
  • 收稿日期:2011-01-10 出版日期:2011-02-01
  • 通信作者: 李家平
  • 基金资助:
    国家自然科学基金(30870692); 广东省科技计划项目(2009B030801027)

Control study of therapeutic effect of adipose mesenchymal stem cells and hepatocyte transplanted for hepatic cirrhosis model of rat

Xian-hong XIANG1, Jia-ping LI1,(), Guo-sheng TAN1, Liu-qing CHEN2, Wei CHEN1, Jian-Yong YANG1   

  1. 1. Department of Interventional Radiology, the First Affiliated Hospital of Sun Yat-sen University, Guangzhou 510080, China
  • Received:2011-01-10 Published:2011-02-01
  • Corresponding author: Jia-ping LI
  • About author:
    Corresponding author: LI Jia-ping, Email:
引用本文:

向贤宏, 李家平, 谭国胜, 陈柳琴, 陈伟, 杨建勇. 同种异体肝细胞与脂肪间质干细胞移植治疗肝硬化的实验对照研究[J]. 中华普通外科学文献(电子版), 2011, 05(01): 12-16.

Xian-hong XIANG, Jia-ping LI, Guo-sheng TAN, Liu-qing CHEN, Wei CHEN, Jian-Yong YANG. Control study of therapeutic effect of adipose mesenchymal stem cells and hepatocyte transplanted for hepatic cirrhosis model of rat[J]. Chinese Archives of General Surgery(Electronic Edition), 2011, 05(01): 12-16.

目的

比较同种异体肝细胞与脂肪间质干细胞(ADMSCs)经门静脉途径移植对肝硬化的疗效差异。

方法

四氯化碳法诱导SD大鼠肝硬化模型,30只成模大鼠随机分入ADMSCs移植组和成熟肝细胞移植组,各15只。从肠系膜上静脉分别移植ADMSCs及成熟肝细胞悬液2 ml/只(细胞浓度为2×106/ml),细胞移植前后(0、1、2、4周)检测各组大鼠肝功能,移植后4周切取肝脏组织样本,HE染色后光学显微镜下观察肝细胞变性坏死及肝硬化程度的变化。

结果

移植后7、14、28 d两组间AST、ALT值差异有统计学意义(P<0.05),而两组间ALB、TBIL值无显著性差异;ADMSCs移植组较肝细胞移植组在肝纤维化、肝细胞变性坏死及脂肪变等方面均有不同程度改善,其组织病理学评分组间有显著性差异(P<0.05)。

结论

脂肪间质干细胞移植较成熟肝细胞移植能更有效地改善肝硬化大鼠模型肝脏的功能,抑制肝组织的变性坏死和纤维化形成。

Objective

To evaluate the therapeutic effects of adipose mesenchymal stem cells (ADMSCs) and hepatocyte transplanted for the hepatic cirrhosis model of rats induced by CCL4.

Methods

Thirty SD rats of hepatic cirrhosis model were randomly divided averagely into two groups and transplanted through Superior Mesenteric vein. Liver functions of rat was examined before and after cell transplantation. HE stain was performed to liver specimen slices. The degeneration and necrosis of hepatic cells and the degree of liver fibrosis were observed under microscope, and further pathological evaluation was made according to observation result.

Results

The liver functions of ADMSCs group was improved significantly in comparison with that of hepatocyte(P<0.05). The transplantation of ADMSCs could inhibit the degeneration and necrosis of hepatic tissue and improve liver fibrosis of the rats. The difference of pathological evaluation between two groups had statistical sense(P<0.05).

Conclusions

The transplantation of ADMSCs through Superior Mesenteric vein has therapeutic effect for the hepatic cirrhosis model of rats. It can improve liver functions and inhibit liver fibrosis.

图1 培养的脂肪干细胞光学显微镜下观(×100),图中显示细胞梭形贴壁,生长旺盛
图2 经肠系膜上静脉移植细胞,图中显示为肠系膜上动脉
图3 移植前肝硬化大鼠模型肝脏(大体),表面可见大小不等的硬化结节分布
图4 移植前肝硬化大鼠模型肝脏(HE染色 ×200),重度纤维化,纤维间隔粗厚,假小叶明显
图5 脂肪间质干细胞移植后(大体),肝脏表面纹理变细,局部可见细小颗粒样突起,结节形成较移植前明显减少
图6 脂肪间质干细胞移植后(HE染色 ×100),细胞变性及脂肪变较前明显减轻
表1 细胞移植前后两组大鼠肝功能指标检测结果(±s
图7 成熟肝细胞移植后(大体),肝脏表面可见大小不等的硬化结节分布,与移植前变化不明显
图8 成熟肝细胞移植后(HE染色 ×100),肝细胞不同程度变性、坏死、胞质疏松化,透明脂肪滴分布不明显
表2 细胞移植后(4周)肝脏标本病理评分(±s
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