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Related Experiment Videos

Monoclonal antibody engineering in plants.

A Hiatt1, J K Ma

  • 1Department of Cell Biology, Scripps Research Institute, La Jolla, CA 92037.

FEBS Letters
|July 27, 1992
PubMed
Summary

Transgenic tobacco plants can produce functional monoclonal antibodies, correctly assembling heavy and light chains. This plant-based production method shows potential for therapeutic applications and disease resistance.

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Area of Science:

  • Plant biotechnology
  • Molecular biology
  • Immunology

Background:

  • Advanced plant transformation techniques enable foreign gene expression in transgenic plants.
  • Monoclonal antibodies require correct assembly of heavy and light chains for functionality.
  • Plant-based antibody production offers potential for therapeutic and agricultural applications.

Purpose of the Study:

  • To investigate the capability of transgenic tobacco plants in synthesizing and assembling functional monoclonal antibodies.
  • To evaluate the functional identity and glycosylation of plant-produced antibodies compared to native ones.
  • To explore the potential of plant-based antibody production for therapeutic purposes and disease resistance.

Main Methods:

  • Introduction of foreign genes encoding antibody heavy and light chains into tobacco plants.
  • Analysis of antibody synthesis, assembly, and functionality in transgenic plants.
  • Comparison of plant-derived antibodies with murine-derived antibodies, including glycosylation patterns.

Main Results:

  • Transgenic tobacco plants successfully synthesized and assembled functional monoclonal antibodies.
  • Plant-produced antibodies exhibited identical function to native murine-derived antibodies.
  • A notable difference was observed in the glycosylation of the antibody heavy chain.

Conclusions:

  • Transgenic plants are a viable system for producing complex therapeutic proteins like monoclonal antibodies.
  • Plant-based antibody production demonstrates potential for large-scale manufacturing and agricultural benefits.
  • Further research is ongoing to produce secretory IgA and enhance antibody production in plants.

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