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Chinese Journal of Cell and Stem Cell(Electronic Edition) ›› 2017, Vol. 07 ›› Issue (02): 71-76. doi: 10.3877/cma.j.issn.2095-1221.2017.02.002

Special Issue:

• Original Research • Previous Articles     Next Articles

Effects of human umbilical cord blood mononuclear cells in a rat model of Parkinson's disease

Chao Chen1, Jing Duan1, Aifang Shen2, Wei Wang1, Hao Song1, Xianjie Lu1, Xiaobing Wang2, Zhongchao Han3, Fabin Han1,()   

  1. 1. Center for Stem Cells and Regenerative Medicine, the Liaocheng People's Hospital, Affiliated Liaocheng Hospital, Taishan Medical University, Liaocheng 252000, China
    2. Department of Gynecology and Obstetrics, the Liaocheng People's Hospital, Affiliated Liaocheng Hospital, Taishan Medical University, Liaocheng 252000, China
    3. the State Key Laboratory of Experimental Hematology, Institute of Hematology and Hospital of Blood Diseases, Chinese Academy of Medical Sciences, Peking Union of Medical College, Tianjin 300020, China; National Engineering Research Center of Cell Products, Tianjin 300020, China
  • Received:2016-09-24 Online:2017-04-01 Published:2017-04-01
  • Contact: Fabin Han
  • About author:
    Corresponding author:Han Fabin, Email:

Abstract:

Objective

To explore whether human umbilical cord blood mononuclear cells (HUCB-MNC) transplantation could treat Parkinson's disease (PD) .

Methods

6-OHDA-lesioned PD rats were divided into two groups randomly: one group was treated with HUCB-MNCs, which were isolated from umbilical cord and the other group was treated with PBS as control. Apomorphine-induced rotation test was used to evaluate the motor behavior of the rats at different times after cell transplantation. Immunochemistry was conducted to confirm the differentiation of the grafted cells in the brain.

Results

The rates of apomorphine-induced rotation were 0.529±0.121, 0.457±0.096, 0.369±0.089, and 0.264±0.091 at 4, 8, 12, and 16 weeks after transplantation respectively, which were significantly lower than those of the control group (0.843±0.158, 0.812±0.156, 0.736±0.103, and 0.714±0.160 respectively) . And the duration time on rotation rod of the treatment group were (46.333±2.082) s, (63.667±4.041) s, (76.667±7.638) s, and (126±12.166) s respectively for each time points, while those of the control group were (29.250±5.560) s, (26.750±8.655) s, (34.250±10.905) s, and (47.500±6.856) respectively. Immunochemistry assay showed that the grafted HUCB-MNC expressed neuron maker Tuj1 and dopamine neuron maker TH.

Conclusion

Our study shows that transplanted HUCB-MNCs may differentiate into neurons and dopamine neurons and alleviate motor dysfunction of PD rats.

Key words: Cord blood stem cell transplantation, Monocytes, Parkinson disease, Cell differentiation, Dopamine, Neurons

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