A New Large-Scale Extracellular Vesicle Production Strategy for Biomedical Drug Development
Yang, S.; Zhang, L.; Zhou, X.; Peng, X.; Zhang, X.; Wang, W.; Zhao, J.; He, X.; Xu, K.
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1.Extracellular Vesicles (EVs) are nanoscale to microscale membranous vesicles released by cells. They are vital for intercellular communications in physiological and pathological conditions, offering immense potential in diagnostics and therapeutical applications due to their ability to transfer diverse biological cargos between cells. While research of EVs is continuously gaining popularity in academia, large-scale manufacturing aiming for clinical applications remains challenging. Herein, we introduce a novel large-scale EV production strategy, including an upstream process with fed-batch suspension HEK293 cell culture, and a downstream process with chromatographic purification for ultra-pure EVs. Such promising EV production strategy enables the potential capability of large scale GMP manufacture of EVs for clinical applications.
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