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Large-scale chromatography of recombinant proteins
1Central Research Units, F. Hoffmann-La Roche & Co., Ltd., Basle, Switzerland.
Journal of Chromatography
|July 1, 1988
Summary
Recovering pure recombinant proteins from bacterial fermentation requires multi-step purification. Combining modern and classical chromatography techniques is effective for large-scale protein recovery.
Area of Science:
- Biotechnology
- Biochemistry
- Protein Purification
Background:
- Bacterial expression systems are widely used for recombinant protein production.
- Achieving high purity of recombinant proteins post-fermentation presents significant challenges.
- Single-step purification protocols are generally insufficient for isolating recombinant proteins.
Purpose of the Study:
- To address the challenges in large-scale recombinant protein recovery.
- To evaluate the efficacy of combined purification strategies.
Main Methods:
- Utilizing modern chromatography techniques like immunoaffinity chromatography (IAC) and immobilized-metal affinity chromatography (IMAC).
- Integrating these with classical methods such as ion-exchange chromatography (IEC).
- Applying these combined approaches for large-scale purification processes.
Main Results:
- Empirical evidence suggests that a single purification step is inadequate.
- Combinations of IAC or IMAC with IEC show promise for efficient recovery.
- These hybrid methods are suitable for industrial-scale recombinant protein purification.
Conclusions:
- Multi-step purification strategies are essential for obtaining pure recombinant proteins.
- The combination of advanced and traditional chromatography offers a viable solution for large-scale production.
- Optimized purification trains are critical for the successful commercialization of recombinant protein products.