细胞特异性 perfusion 速率驱动 CHO N-1 perfusion 过程中的生长动态和新陈代谢,独立于 perfusion 速率控制方法
Julia Walther1, Tiago Ribeiro da Costa1, Lydia Winkler1
1Bioprocess Development Biologicals, Boehringer Ingelheim Pharma GmbH & Co. KG, Biberach an der Riß, Germany.
Frontiers in bioengineering and biotechnology
|August 4, 2025
概括
在N-1 perfusion培养中,优化细胞特异性 perfusion rate (CSPR) 和集成工作体积 (iVVD) 提高了中国子卵巢细胞的生长,以产生单克隆抗体. 这降低了制造成本,提高了效率.
科学领域:
- 生物技术是生物技术.
- 生物工艺工程 生物工艺工程
- 细胞培养技术 细胞培养技术
背景情况:
- 中国仓鼠卵巢 (CHO) 细胞系统对于单克隆抗体 (mAb) 生产至关重要.
- 高昂的制造成本和效率挑战阻碍了基于CHO电池的mAb生产.
研究的目的:
- 研究细胞特异性 perfusion 速率 (CSPR) 和集成工作体积 (iVVD) 对 N-1 perfusion 中细胞生长和代谢稳定性的影响.
- 为了评估 perfusion rate (PRI) 增加对细胞动态的影响.
- 为了探索实时CSPR控制的好处.
主要方法:
- 进行了CHO细胞的N-1 perfusion培养.
- 细胞特异性 perfusion 速率 (CSPR),集成工作体积 (iVVD) 和 perfusion 速率增加 (PRI) 都有所不同.
- 分析了代谢稳定性和细胞生长动态.
- 使用电容探头评估实时CSPR控制.
主要成果:
- 在IVVD和细胞生长之间观察到正相关性,在较高的值时,回报率下降.
- 在适应后,CSPR直接影响了代谢物和氨基酸的特定代谢率.
- 实时CSPR控制显示了与预定义速率相比较的生长和代谢行为.
结论:
- 优化CSPR,IVVD和PRI可以提高N-1 perfusion中的细胞生长和活力.
- 过程强化策略可能会降低媒体支出并降低mAb制造成本.
- N-1输液是一种可行的策略,可以提高基于CHO细胞的mAb生产效率.
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