小体积的骨髓吸附剂具有高的原始细胞度,最大限度地制造细胞治疗剂量,并大大降低了捐赠者的血红蛋白损失
Jeremy Epah1, Gabriele Spohn1, Kathrin Preiß1
1Institute for Transfusion Medicine and Immunohaematology, German Red Cross Blood Donor Service Baden-Württemberg-Hessen gGmbH, Goethe University Hospital, Frankfurt Am Main, Germany.
BMC medicine
|September 19, 2023
概括
小体积骨髓 (BM) 吸收是一种优异的采集技术,产生更多的原始细胞并改善捐赠者的结果. 这种方法提高了细胞疗法制造和供体安全.
科学领域:
- 血液学 血液学 血液学
- 细胞疗法 细胞疗法
- 再生医学是一种再生医学.
背景情况:
- 骨髓移植对于治疗血液病至关重要.
- BM是用于新型细胞疗法的原始细胞的丰富来源.
- 目前的BM采集技术缺乏标准化,导致产量变化.
研究的目的:
- 评估BM采集技术对造血原生细胞 (HPC-M) 质量的影响.
- 为了比较小容量的BM吸气器与大容量的BM吸气器的效率.
- 优化BM收集,以改善细胞疗法制造.
主要方法:
- 对BM的前性分析希望从20个捐赠者.
- 在3个时间点收集小 (3毫升) 和大 (10毫升) 容量的吸入物.
- 细胞组成的分析,包括总核细胞 (TNCs),免疫细胞,干细胞/原始细胞和间核细胞 (MSCs).
主要成果:
- 小体积的吸附物产生了更高度的TNC,免疫细胞,血小板,造血干细胞/原始细胞,MSC和内皮原始细胞.
- 大量的吸血剂显示出更高的血红蛋白度,表明血液损失更大.
- 小体积吸入剂可以将BM体积降低高达42%和血红蛋白损失降低44%,同时将MSC生产效率提高超过150%.
结论:
- 小体积的BM吸收更有效地集中了有价值的细胞类型.
- 这种技术通过尽量减少血液损失来提高捐赠者的安全性.
- 采用小体积吸收作为标准技术可以提高细胞疗法制造和供体结果.
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