Ex-vivo expansion of red blood cells: how real for transfusion in humans?

Ex-vivo expansion of red blood cells: how real for transfusion in humans?
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DOI:
10.1016/j.blre.2011.11.002
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发表时间:
2012-03
期刊:
影响因子:
7.4
通讯作者:
Whitsett C
Whitsett C
中科院分区:
医学1区
文献类型:
--
作者:
Migliaccio AR;Masselli E;Varricchio L;Whitsett C

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输血是现代医学不可缺少的。在发达国家,血液供应充足且安全,但同种免疫患者的血液往往无法获得。人们越来越担心,随着人口老龄化,未来捐赠可能会变得不足,这促使人们寻找替代输血产品。培养条件的改进和动物模型中的原理验证研究表明,离体扩增红细胞可能代表这样的产品。与其他细胞疗法相比,输血带来了需要大量细胞剂量的独特挑战(2.5 × 1012个细胞vs 107个细胞)。虽然理论上可以生产出这样数量的红细胞,但目前的技术只能生产出足够用于安全性研究的红细胞。据设想,到这些研究完成时,大规模细胞生产的技术障碍将被消除,使离体产生的红细胞输血成为现实。
Blood transfusion is indispensable for modern medicine. In developed countries, the blood supply is adequate and safe but blood for alloimmunized patients is often unavailable. Concerns are increasing that donations may become inadequate in the future as the population ages prompting a search for alternative transfusion products. Improvements in culture conditions and proof-of-principle studies in animal models have suggested that ex-vivo expanded red cells may represent such a product. Compared to other cell therapies transfusion poses the unique challenge of requiring great cell doses (2.5 × 1012 cells vs 107 cells). Although production of such cell numbers is theoretically possible, current technologies generate red cells in numbers sufficient only for safety studies. It is conceived that by the time these studies will be completed, technical barriers to mass cell production will have been eliminated making transfusion with ex-vivo generated red cells a reality.
DOI: 10.1038/sj.onc.1209308
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