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Related Experiment Videos

Current applications of COS cell based transient expression systems

C P Edwards1, A Aruffo

  • 1Bristol-Myers Squibb Pharmaceutical Research Institute, Seattle.

Current Opinion in Biotechnology
|October 1, 1993
PubMed
Summary
This summary is machine-generated.

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COS cells provide a simple and robust mammalian expression system for routine tasks. They are valuable for studying gene expression, cloning, and producing recombinant proteins.

Area of Science:

  • Molecular Biology
  • Cell Biology
  • Biotechnology

Background:

  • Mammalian expression systems are crucial for various biological studies.
  • A simple and robust system is often sufficient for routine expression work.
  • COS cell-based systems have a long history of utility in molecular biology.

Purpose of the Study:

  • To highlight the continued relevance and diverse applications of COS cell expression systems.
  • To showcase recent advancements and uses in gene expression studies and protein production.
  • To emphasize the utility of COS cells for cloning and validating expression constructs.

Main Methods:

  • Utilizing COS cells for gene expression studies.
  • Employing COS cells for cloning by expression.

Related Experiment Videos

  • Producing small quantities of recombinant proteins using COS cells.
  • Testing the efficacy of mammalian expression constructs in COS cells.

    • Main Results:

    • Studies elucidated the role of AU-rich elements in mRNA stability.
    • Successful cloning of leukocyte antigens (CD34, CD69) and TGF-beta receptors.
    • Production of soluble gamma delta T-cell receptor and bispecific Ig fusion proteins.

    Conclusions:

    • COS cell expression systems remain a valuable and versatile tool for molecular biology research.
    • These systems facilitate diverse applications from basic research to protein engineering.
    • Recent applications demonstrate their ongoing utility in advancing biological understanding and biotechnological development.