Co-culture of hematopoietic stem cells and mesenchymal stem cells derived from umbilical cord blood using human autoserum

被引:0
作者
Song, Kedong [1 ]
Yin, Yiqun [1 ]
Lv, Chao [1 ]
Liu, Tianqing [1 ]
Macedo, Hugo M. [2 ]
Fang, Meiyun [3 ]
Shi, Fangxin [4 ]
Ma, Xuehu [1 ]
Cui, Zhanfeng [5 ]
机构
[1] Dalian Univ Technol, Dalian R&D Ctr Stem Cell & Tissue Engn, Dalian 116023, Peoples R China
[2] Dept Chem Engn, Biol Syst Engn Lab, London SW7 2AZ, England
[3] Dalian Med Univ, Affiliated Hosp 1, Dept Hematol, Dalian 116011, Peoples R China
[4] Dalian Med Univ, Affiliated Hosp 1, Dept Obstet & Gynecol, Dalian 116011, Peoples R China
[5] Univ Oxford, Dept Engn Sci, Oxford Ctr Tissue Engn & Bioproc, Oxford OX1 3PJ, England
基金
美国国家科学基金会;
关键词
HAS; UCB; HSCs; MSCs; co-culture; HUMAN BONE-MARROW; EXPANSION;
D O I
10.1002/apj.507
中图分类号
TQ [化学工业];
学科分类号
0817 ;
摘要
The feasibility of co-culturing hematopoietic stem/progenitor cells (HSPCs) and mesenchymal stem cells (MSCs) derived from human umbilical cord blood (UCB) using cytodex-3 microcarriers was investigated in this paper in order to assess this as a possibility for future clinical therapies. Considering the safety requirements of clinical applications, we have tried to use human autologous serum (HAS), collected from UCB, to replace the widely used fetal bovine serum (FBS). Moreover, both UCB-hematopoietic stem cells (HSCs) and UCB-MSCs could be harvested simultaneously after their ex vivo culture. In addition, the two different types of stem cells could be easily separated by sedimentation after the co-culture due to the distinct weight differences between cytodex-3 microcarriers (containing adherent MSCs) and the suspended HSCs. To optimize the culture conditions, we have assessed the effect of the concentration of HAS (2.8, 5.6, 8.3 and 11.1%) on the expansion of UCB-MSCs and UCB-HSCs. The results have indicated that the expansion of UCB-HSCs supplied with 5.6% autoserum was at least (1.88 +/- 0.33)-fold, better than in the other groups, while it had no to little effect on the expansion of UCB-MSCs. We hence conclude that the optimal concentration of HAS for the co-culture conditions herein reported is 5.6%. Finally, the co-culture system we have developed and herein report is feasible to provide expanded UCB-HSPCs and UCB-MSCs for clinical applications, especially the former. (c) 2010 Curtin University of Technology and John Wiley & Sons, Ltd.
引用
收藏
页码:840 / 849
页数:10
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