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Related Experiment Videos

Developing cell-free biology for industrial applications.

Jim Swartz1

  • 1Department of Chemical Engineering, Stauffer III, Rm 113, Stanford University, Stanford, CA 94305-5025, USA. jswartz@stanford.edu

Journal of Industrial Microbiology & Biotechnology
|June 9, 2006
PubMed
Summary

Advances in cell-free protein synthesis (CFPS) now enable cost-effective production of pharmaceutical proteins and patient-specific vaccines. This review details methods for controlling CFPS metabolism and protein folding for commercial applications.

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Area of Science:

  • Biochemistry
  • Biotechnology
  • Molecular Biology

Background:

  • Cell-free protein synthesis (CFPS) has historically been a research tool.
  • Commercialization of CFPS faced challenges including high costs, ineffective protein folding, and lack of scale-up technologies.

Purpose of the Study:

  • To review progress in overcoming limitations of cell-free protein synthesis for commercial applications.
  • To highlight advancements in controlling cell-free metabolism and protein folding.

Main Methods:

  • Stabilizing amino acid supply and activating central metabolism to reduce substrate costs.
  • Controlling sulfhydryl redox potential and incorporating disulfide isomerase for oxidative protein folding.
  • Developing simple and economical scale-up technologies for CFPS.

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Main Results:

  • Significantly reduced substrate costs through metabolic control.
  • Effective oxidative protein folding achieved for proteins with disulfide bonds.
  • Feasible and economical scale-up technologies developed for CFPS.

Conclusions:

  • Cell-free protein synthesis is now feasible for commercial production of pharmaceutical proteins.
  • CFPS advancements enable applications such as patient-specific vaccines, enzyme evolution for hydrogen production, and water filtration.
  • Despite remaining challenges, CFPS holds significant promise for research and commercial use.