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A novel method to isolate cells with conditional gene expression using fluorescence activated cell sorting

K M Klucher1, M J Gerlach, G Q Daley

  • 1Whitehead Institute for Biomedical Research, 9 Cambridge Center, Cambridge, MA 02142, USA.

Nucleic Acids Research
|January 24, 1998
PubMed
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This study introduces a new method using fluorescence activated cell sorting (FACS) to efficiently isolate cell lines with optimal gene expression. This approach simplifies the process of finding suitable clones for inducible gene expression systems.

Area of Science:

  • Molecular Biology
  • Biotechnology
  • Cell Biology

Background:

  • Inducible expression systems are crucial for conditional gene expression.
  • Current methods require extensive screening of cell clones for optimal induction.
  • The tetracycline resistance operon provides a basis for inducible gene expression.

Purpose of the Study:

  • To develop a streamlined strategy for isolating cell lines with desired gene expression characteristics.
  • To overcome the limitations of laborious screening in inducible expression system development.
  • To improve the efficiency of generating stable cell lines for gene expression studies.

Main Methods:

  • Coupling the gene of interest with a fluorescent marker.
  • Utilizing fluorescence-activated cell sorting (FACS) for cell selection.

Related Experiment Videos

  • Developing a novel FACS-based strategy for isolating optimal clones.

    • Main Results:

    • A novel FACS-based strategy was successfully developed and implemented.
    • The new method significantly reduces the effort required for clone isolation and analysis.
    • Efficient isolation of cell lines with desirable inducible expression characteristics was achieved.

    Conclusions:

    • The developed FACS-based strategy offers an efficient alternative to traditional screening methods.
    • This approach facilitates the rapid generation of cell lines for conditional gene expression.
    • The method holds promise for advancing research utilizing inducible gene expression systems.