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人脐带间充质干细胞在体外分化为肝细胞

Differentiation of human umbilical cord-derived mesenchymal stem cells into hepatocytes in vitro.

作者信息

Zheng Guan, Liu Yang, Jing Qian, Zhang Lei

机构信息

Biomedical Research Center, First People's Hospital of Kunming (Affiliated Calmette Hospital of Kunming Medical University), Yunnan, China.

出版信息

Biomed Mater Eng. 2015;25(1 Suppl):145-57. doi: 10.3233/BME-141249.

Abstract

OBJECTIVE

The stem cell based therapy is a potential alternative to liver transplantation. The aim of the study is to investigate the hepatocytic differentiation ability of human umbilical cord derived mesenchymal stem cells (HUC-MSCs) in vitro.

METHODS

The HUC-MSCs were isolated from Wharton's jelly of human umbilical cord. The cells were identified by assessing the stem cell markers. The HUC-MSCs were characterized by multipotency of differentiation. We modified the hepatogenic differentiation protocol and examine the function of differentiated cell by Periodic acid-Schiff (PAS) staining and Low-Density Lipoprotein (LDL) uptake. The protein expressions of Total protein (TP), Albumin (ALB), Globulin (GLB), Urea (BUN) and α-fetoprotein (AFP) were also detected.

RESULTS

The cells of the hepatogenic differentiation group showed the function of hepatocyte. Protein expressions of TP, ALB, GLB BUN and AFP improve that the HUC-MSCs are able to different into the functional hepatogenic-like cell.

CONCLUSION

The above founding indicated that the HUC-MSCs are able to different into the functional hepatogenic-like cell by present method.

摘要

目的

基于干细胞的疗法是肝移植的一种潜在替代方法。本研究的目的是在体外研究人脐带间充质干细胞(HUC-MSCs)的肝细胞分化能力。

方法

从人脐带的华通氏胶中分离出HUC-MSCs。通过评估干细胞标志物对细胞进行鉴定。HUC-MSCs具有多向分化潜能。我们改进了肝细胞分化方案,并通过过碘酸希夫(PAS)染色和低密度脂蛋白(LDL)摄取来检测分化细胞的功能。还检测了总蛋白(TP)、白蛋白(ALB)、球蛋白(GLB)、尿素(BUN)和甲胎蛋白(AFP)的蛋白表达。

结果

肝细胞分化组的细胞表现出肝细胞功能。TP、ALB、GLB、BUN和AFP的蛋白表达表明HUC-MSCs能够分化为功能性肝样细胞。

结论

上述发现表明,通过目前的方法,HUC-MSCs能够分化为功能性肝样细胞。

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