| Autor: |
Yang-Yang Lei, Lu Wang, Lei Deng, Yang Yang, Ang Zhang, Shao-Hong Chang, Wen-Ming Hua, Bin Rong, Mei Guo, Hui-Sheng Ai, Kai-Xun Hu |
| Rok vydání: |
2020 |
| DOI: |
10.21203/rs.3.rs-30877/v1 |
| Popis: |
Background: Delayed hematopoietic recovery was one of the factors that limited the clinic application of umbilical cord blood (UCB) transplantation. Two different methods of overcoming the limitation were evaluated by this systematic review and meta-analysis. One strategy was to expand UCB unit ex vivo for increasing cell dose and another strategy was to incubate UCB unit with small molecules in vitro for enhancing bone marrow (BM) homing ability. Methods: Relevant literatures were collected from 2000 to 2020 by searching the databases of PubMed, Medline, and EMBASE. A total of 15 studies that met the inclusion criteria were included in the meta-analysis. Results: Similar clinical effects including neutrophil recovery (P=0.308), platelet recovery (P=0.4754), and 100-day survival (P=0.4216) between two methods were observed. Faster neutrophil recovery was associated with higher infused total nucleated cells (TNCs) (R2=0.4526 P2=0.9777 P=0.095) in patients of expansion group and incubation group, respectively. Conclusion: Although the treatment outcomes by using expanded stem cells were getting better all these years with fast development of cell culture techniques according to our cumulative meta-analysis. It seems the application of incubation procedure was safer and more convenient than expansion regarding to their similar clinic effects. This study was registered at RROSPERO (Registration no. CRD42020149750). |
| Databáze: |
OpenAIRE |
| Externí odkaz: |
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