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Expression of human antibodies in eukaryotic micro-algae
Stephen P Mayfield1, Scott E Franklin
1Department of Cell Biology, Skaggs Institute for Chemical Biology, Scripps Research Institute, 10550 N. Torrey Pines Road, La Jolla, CA 92037, USA. mayfield@scripps.edu
Vaccine
|March 1, 2005
Summary
Green algae can produce human antibodies, offering a cost-effective alternative to traditional methods. This research explores Chlamydomonas reinhardtii for recombinant protein expression, focusing on human IgA single chain antibodies.
Area of Science:
- Biotechnology
- Molecular Biology
- Algal Research
Background:
- Protein-based therapeutics have shown clinical success but are expensive due to mammalian cell fermentation costs.
- High production costs limit accessibility of valuable protein-based treatments.
Purpose of the Study:
- To develop a cost-effective system for recombinant protein expression using the green alga Chlamydomonas reinhardtii.
- To produce human IgA single chain antibodies in Chlamydomonas reinhardtii as a viable alternative to mammalian systems.
Main Methods:
- Utilizing Chlamydomonas reinhardtii as a host for recombinant protein expression.
- Developing stable plastid and nuclear transformants for antibody production.
Main Results:
- Successful expression of human IgA single chain antibodies in Chlamydomonas reinhardtii.
- Demonstrated rapid generation of stable transformants.
Conclusions:
- Chlamydomonas reinhardtii presents a promising, low-cost platform for producing therapeutic proteins like human monoclonal antibodies.
- This algal expression system offers an economically attractive alternative to conventional mammalian cell-based production methods.