OBJECTIVE:To investigate the feasibility and the mechanism of mesenchymal stem cells(MSCs) derived from human umbilical cord blood(HUCB) in the treatment of rats with Parkinson disease(PD).
目的：探讨应用人脐血间充质干细胞治疗大鼠帕金森病的可行性及其机制。
The related systematic research is rather less in whether there exist hematopoietic stromal cells in HUCB, how about it's biological properties, and whether it can be expanded effectively in vitro?
人脐血中是否存在造血基质细胞及其生物学特点如何，脐血基质细胞能否在体外有效扩增，国内外相关的系统性研究较少。
The related systematic research is rather less in whether there exist hematopoietic stromal cells in HUCB, how about it's biological properties, and whether it can be expanded effectively in vitro?
人脐血中是否存在造血基质细胞及其生物学特点如何，脐血基质细胞能否在体外有效扩增，国内外相关的系统性研究较少。
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