尿源干细胞作为一个强大的平台,用于产生本地或人工细胞外囊泡
Anders Toftegaard Boysen1,2, Bradley Whitehead3,4, Anne Louise S Revenfeld5
1Department of Clinical Medicine, Aarhus University, Aarhus N, Denmark. anderstb@clin.au.dk.
Stem cell research & therapy
|September 10, 2024
概括
尿源干细胞 (USCs) 提供了一个非侵入性的来源,用于介质干细胞 (MSC) 疗法和细胞外囊泡 (EV) 生产. 这些电池强大,易于扩展,适合设计电动汽车,克服了传统MSC来源的挑战.
科学领域:
- 细胞生物学 细胞生物学
- 再生医学是一种再生医学.
- 生物技术是生物技术.
背景情况:
- 介质细胞 stromal cell (MSC) 疗法显示出有前途,但在有效性和安全性方面面临挑战.
- 来自MSC的细胞外囊泡 (EV) 是治疗效果的关键媒介,但目前的方法阻碍了大规模生产.
- 现有的MSC来源,如脂肪组织和骨髓需要侵入性手术,MSC的有效基因工程是困难的.
研究的目的:
- 研究尿源干细胞 (USC) 作为MSC和随后的EV生产的非侵入性和丰富的来源.
- 评估使用USCs用于生成本地和基因工程电动汽车的可行性.
- 评估捐赠者的性别和采样时间对USC特征和EV生产潜力的影响.
主要方法:
- 从健康的捐赠者中分离,扩展和表征USC,通过流细胞计量评估增殖,活力和表面标记物表达 (CD73,CD90,CD105).
- 在无血清条件下,使用在化学定义的介质中培养的USC生产了EV.
- 用转子子子技术进行PEI/DNA转染,对USC进行基因工程.
主要成果:
- 美国克隆细胞表现出MSC免疫类型特征,克隆数量,翻倍时间或在不同采样时间或性别之间生存能力没有显著差异 (尽管男性的CD73+细胞减少了).
- 在无血清条件下培养72小时后,USC保持了生存能力并产生了EV.
- 实现了USCs的高效转染,使得在选择后能够建立纯工程细胞培养物.
结论:
- 美国电动汽车是MSC的非侵入性,强大且易于获得的来源,适合大规模生产电动汽车.
- 输血细胞的隔离和扩张不受捐赠者的性别或采样时间的显著影响.
- USCs作为一个多功能平台,用于生产本地和人工细胞外囊泡用于治疗应用.
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