在垂直轮生物反应器中,为增强细胞外囊分泌增强工程人类骨髓衍生中酶体 stromal 细胞聚合物
Danyale Berry1,2, Breana Boirie3, Mandip Singh3
1Department of Industrial and Manufacturing Engineering, FAMU-FSU College of Engineering, Florida Agricultural and Mechanical University, Tallahassee, FL, United States.
Frontiers in bioengineering and biotechnology
|February 2, 2026
概括
一种新型的生物反应器显著增强了从人类介质细胞干/干细胞 (hMSCs) 产生细胞外囊泡 (EVs) 的产量. 这些增强的EV显示神经再生和调节神经炎症的治疗潜力.
科学领域:
- 生物技术是生物技术.
- 再生医学是一种再生医学.
- 细胞生物学 细胞生物学
背景情况:
- 人类介质细胞干/干细胞 (hMSCs) 通过其分泌体具有再生潜力.
- 与二维培养相比,三维 (3D) hMSC聚合物产生细胞外囊泡 (EVs),具有优越的免疫调节特性.
- 低产量限制了hMSC-EVs的临床转化.
研究的目的:
- 通过使用垂直轮生物反应器 (VWBR) 来研究从3DhMSC聚合物中可扩展的EV生成.
- 为了利用VWBR中的切割应力来增强EV生物发生和神经再生的治疗载荷.
主要方法:
- 培养的骨髓衍生hMSCs作为3D聚合物在VWBR在不同的振动速度下.
- 与含血清 (αMEM/FBS) 和无血清 (DMEM/F12/B27) 介质进行比较.
- 分析了代谢物概况,基因表达 (ESCRT机器),EV产量,大小,标记物和微RNA货物.
- 在LPS诱导的炎症下,评估了施万细胞的EV功能.
主要成果:
- 与静态培养相比,VWBR培养增加了EV生物发生和糖溶性通路基因表达.
- 含血清的介质在VWBR与静态培养中产生了3-10倍的EV产量.
- 从VWBR衍生出的EV在施万细胞中表现出调制的炎症基因表达.
结论:
- 在3DhMSC聚合物中,VWBR水力动力学增强了EV生物发生,代谢活动和货物.
- 这种可扩展的策略产生治疗性强的hMSC-EVs用于神经病和再生应用.
- 这些发现有助于更好地理解动态聚合对EV产量和治疗疗效的影响.
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