CHOmpact:中国仓鼠卵巢细胞的降低代谢模型,具有增强的解释性
Ioscani Jiménez Del Val1, Sarantos Kyriakopoulos2, Simone Albrecht3
1School of Chemical & Bioprocess Engineering, University College Dublin, Dublin, Ireland.
Biotechnology and bioengineering
|June 5, 2023
概括
我们开发了CHOmpact,这是一个针对中国仓鼠卵巢 (CHO) 细胞的减少代谢网络,简化了复杂的模型. 这种紧的模型增强了生物制药细胞培养优化的生理一致性和可解释性.
科学领域:
- 生物技术是生物技术.
- 代谢工程是代谢工程.
- 细胞培养 细胞培养
背景情况:
- 代谢建模对于生物制药细胞培养至关重要,有助于基因工程和养策略在中国仓鼠卵巢 (CHO) 细胞.
- CHO细胞的大规模代谢模型 (GeMs) (>6000个反应) 在约束,生理一致性和解释性方面存在挑战.
研究的目的:
- 为了应对大规模CHO细胞代谢模型的挑战.
- 开发一个缩小,可计算处理的代谢网络,以提高生理一致性和可解释性.
主要方法:
- 开发了CHOmpact,一个紧的代谢网络,包括101种代谢物和144种反应.
- 采用了强大的非线性优化技术,以确保生理上一致的流量分布.
主要成果:
- 与GEM相比,CHOmpact提供了模拟结果的增强解释性.
- 确定了控制阿斯巴拉金和谷氨酸酸炎消费的机制.
- 发现了线粒体氨排毒机制.
结论:
- CHOmpact为大规模代谢模型所带来的挑战提供了解决方案.
- 这种减少的网络作为一个开发生物制药细胞培养优化动态代谢模型的平台.
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