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Downstream Processing: From Egg to Cell Culture-Derived Influenza Virus Particles.
1Bioprocess Engineering, Max Planck Institute for Dynamics of Complex Technical Systems, Magdeburg, Germany.
Chemical Engineering & Technology
|April 22, 2020
Summary
Downstream processing for influenza virus vaccines is evolving. This review examines optimizing methods for cell culture-derived vaccines, moving beyond traditional egg-based techniques using chromatography.
Area of Science:
- Biotechnology
- Vaccine Development
- Virology
Background:
- Cell culture-derived vaccines offer advantages over traditional egg-based production.
- Existing downstream processing methods are often adapted from older egg-derived processes.
- Optimization is needed to meet the demands of modern vaccine manufacturing.
Purpose of the Study:
- To review key downstream processing aspects for whole influenza viruses.
- To compare methods for egg-derived and cell culture-derived vaccines.
- To highlight current optimization efforts in vaccine purification.
Main Methods:
- Literature review of downstream processing techniques.
- Focus on chromatography methods like ion exchange and affinity adsorption.
- Analysis of adaptations from egg-based to cell culture-based production.
Main Results:
- Traditional methods require modification for cell culture systems.
- Ion exchange and affinity chromatography show promise for optimization.
- Cell culture processing presents unique challenges and opportunities.
Conclusions:
- Downstream processing is critical for efficient cell culture-derived vaccine production.
- Optimized chromatography techniques are essential for scalable and pure influenza vaccines.
- Further research can enhance purification efficiency and reduce costs.
