Study on the Safety of Human Oligodendrocyte Precursor Cell Transplantation in Young Animals and Its Efficacy on Myelination

被引:1
作者
Zhou, Haipeng [1 ,2 ]
Lu, Siliang [2 ]
Li, Ke [2 ]
Yang, Yinxiang [2 ]
Hu, Caiyan [2 ]
Wang, Zhaoyan [2 ]
Wang, Qian [2 ]
He, Ying [1 ,2 ]
Wang, Xiaohua [1 ,2 ]
Ye, Dou [2 ]
Guan, Qian [2 ]
Zang, Jing [2 ]
Liu, Chang [1 ,2 ]
Qu, Suqing [1 ,2 ]
Luan, Zuo [1 ,2 ]
机构
[1] Southern Med Univ, Clin Coll 2, Guangzhou 510515, Peoples R China
[2] Peoples Liberat Army Gen Hosp, Lab Pediat, Med Ctr 6, Beijing, Peoples R China
基金
国家重点研发计划;
关键词
demyelinating diseases; hOPCs; transplantation; toxicology; myelination; MESENCHYMAL STEM-CELL; SPINAL-CORD-INJURY; PROGENITOR CELLS; NEUROTROPHIC FACTOR; SILENT SYNAPSES; MODEL; FETAL; EXPRESSION; MATURATION; MEDICINES;
D O I
10.1089/scd.2021.0012
中图分类号
Q813 [细胞工程];
学科分类号
摘要
Oligodendrocyte precursor cells (OPCs) can differentiate into myelinating oligodendrocytes during embryonic development, thereby representing an important potential source for myelin repair or regeneration. To the best of our knowledge, there are very few OPCs from human sources (human-derived OPCs [hOPCs]). In this study, we aimed to evaluate the safety and remyelination capacity of hOPCs developed in our laboratory, transplanted into the lateral ventricles of young animals. Several acute and chronic toxicity experiments were conducted in which different doses of hOPCs were transplanted into the lateral ventricles of Sprague-Dawley rats of different ages. The toxicity, biodistribution, and tumor formation ability of the injected hOPCs were examined by evaluating the rats' vital signs, developmental indicators, neural reflexes, as well as by hematology, immunology, and pathology. In addition, the hOPCs were transplanted into the corpus callosum of the shiverer mouse to verify cell myelination efficacy. Overall, our results show that transplanted hOPCs into young mice are nontoxic to their organ function or immune system. The transplanted cells engrafted in the brain and did not appear in other organs, nor did they cause tissue proliferation or tumor formation. In terms of efficacy, the transplanted hOPCs were able to form myelin in the corpus callosum, alleviate the trembling phenotype of shiverer mice, and promote normal development. The transplantation of hOPCs is safe; they can effectively form myelin in the brain, thereby providing a theoretical basis for the future clinical transplantation of hOPCs.
引用
收藏
页码:587 / 600
页数:14
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