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Enhancing recombinant interleukin-6 production yield by fermentation optimization, two-step denaturing, and one-step
Nadeem Ahmed1, Rabbia Abbas1, Mohsin Ahmad Khan1
1National Centre of Excellence in Molecular Biology, University of the Punjab, Lahore, Pakistan.
Biotechnology and Applied Biochemistry
|August 24, 2017
Summary
Researchers developed an optimized method for producing recombinant human interleukin-6 (IL-6). This high-yield process simplifies purification, enabling large-scale production of active IL-6 for further studies.
Area of Science:
- Biotechnology
- Molecular Biology
- Protein Expression
Background:
- Interleukin-6 (IL-6) is a crucial cytokine with diverse biological functions.
- Large-scale production of active recombinant human IL-6 is essential for structural and functional research.
Purpose of the Study:
- To develop an optimized, high-yield method for producing recombinant human IL-6.
- To establish a simplified purification procedure for active recombinant IL-6.
Main Methods:
- Optimized shake flask fermentation conditions.
- A simplified, high-yield purification strategy involving denaturing and refolding steps.
- Characterization using HPLC and SDS-PAGE.
Main Results:
- Achieved a final cell density of 20.4 g/L biomass.
- Obtained 150 mg of purified active recombinant human IL-6 per liter of culture.
- Demonstrated a simplified protein solubilization and refolding process.
Conclusions:
- The described method facilitates efficient, large-scale production of biologically active recombinant human IL-6.
- This optimized process is suitable for industrial-scale manufacturing of recombinant IL-6.
- The simplified purification enhances the accessibility of active IL-6 for research applications.
