期刊
CELL TRANSPLANTATION
卷 22, 期 11, 页码 2041-2051出版社
COGNIZANT COMMUNICATION CORP
DOI: 10.3727/096368912X663533
关键词
Mesenchymal stem cells (MSCs); Umbilical cord; Cord blood transplantation (CBT)
资金
- Ministry of Economic Affairs in Taiwan
- China Medial University Hospital [DMR-102-035]
- Chung Shan Medical University Hospital [CSH-2013-A-006]
Delayed hematopoietic reconstitution after cord blood (CB) transplantation (CBT) needs to be overcome. Bone marrow-derived mesenchymal stem cells (BMMSCs) have been found to enhance engraftment after hematopoietic stem cell transplantation. However, getting BMMSCs involves an invasive procedure. In this study, umbilical cord-derived mesenchymal stem cells (UCMSCs) were isolated from Wharton's jelly and cryopreserved in the UCMSCs bank. Compared with BMMSCs, we found that UCMSCs had superior proliferative potential. We found that NOD/SCID mice cotransplanted with CB and UCMSCs demonstrated significant human CD45(+) cell engraftment compared with those transplanted with CB alone. Then, 20 patients with high-risk leukemia were prospectively randomized to either receive cotransplantation of CB and ex vivo expanded banked UCMSCs or to receive CBT alone. No serious adverse events were observed in the patients receiving UCMSC infusion. The time to undergo neutrophil engraftment and platelet engraftment was significantly shorter in the eight patients receiving cotransplantation than that in the 12 patients receiving CBT alone (p=0.003 and p=0.004, respectively). Thus, application of ex vivo expanded banked UCMSCs in humans appears to be feasible and safe. UCMSCs can enhance engraftment after CBT, but further studies are warranted.
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