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Related Experiment Videos

Transfection using DEAE-dextran.

Tod Gulick1

  • 1Massachusetts General Hospital, Charlestown, Massachusetts, USA.

Current Protocols in Cell Biology
|January 30, 2008
PubMed
Summary
This summary is machine-generated.

Diethylaminoethyl (DEAE)-dextran/DNA transfection offers a simple, fast, and cost-effective method for introducing DNA into cultured mammalian cells. This technique is ideal for transient gene expression studies and generating stable cell lines.

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Area of Science:

  • Cell Biology
  • Molecular Biology
  • Biotechnology

Background:

  • Transfection is crucial for introducing nucleic acids into eukaryotic cells.
  • Existing methods have limitations in cost, speed, or efficiency.
  • Diethylaminoethyl (DEAE)-dextran/DNA offers a viable alternative for specific applications.

Purpose of the Study:

  • To describe the DEAE-dextran/DNA transfection method for cultured mammalian cells.
  • To highlight its advantages and disadvantages compared to other techniques.
  • To provide protocols for common experimental uses.

Main Methods:

  • Utilizing DEAE-dextran as a reagent to facilitate DNA uptake into cells.
  • Adapting protocols for anchorage-dependent and suspension cell cultures.

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  • Optimizing serum concentration in culture medium during transfection.

    • Main Results:

    • DEAE-dextran/DNA transfection demonstrates high reproducibility and efficiency.
    • Advantages include simplicity, speed, and low cost.
    • Disadvantages involve potential cell growth inhibition and morphological changes, requiring serum reduction.

    Conclusions:

    • DEAE-dextran/DNA transfection is an effective method for transient transfections, particularly for promoter/reporter assays and protein overexpression.
    • It is suitable for generating stable cell lines with episomal vectors.
    • While generally preferred for attached cells, it can be adapted for suspension cells, though electroporation or lipofection may be more common.