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Towards a recombinant antigen vaccine against Onchocerca volvulus
Sara Lustigman1, Eric R James, Wilson Tawe
1Laboratory of Molecular Parasitology, Lindsley F. Kimball Research Institute, New York Blood Center, 310 E 67th Street, New York, NY 10021, USA. sara_lustigman@nybc.org
Trends in Parasitology
|February 21, 2002
Summary
Researchers identified potential vaccine candidates for onchocerciasis by cloning protective recombinant proteins. Successful vaccination of mice with these antigens shows promise for developing an effective onchocerciasis vaccine.
Area of Science:
- Parasitology
- Immunology
- Vaccine Development
Background:
- Onchocerciasis, a parasitic disease, poses a significant global health challenge.
- Developing an effective vaccine against onchocerciasis has been a long-standing research goal.
- Previous research efforts, supported by the Edna McConnell Clark Foundation (1985-1999), focused on identifying protective antigens.
Purpose of the Study:
- To summarize approaches used in identifying and cloning potential vaccine candidates against onchocerciasis.
- To present findings on the protective efficacy of cloned antigens in animal models.
Main Methods:
- Cloning of recombinant proteins identified as potential protective antigens.
- Vaccination of mice with selected recombinant antigens.
- Assessment of protection conferred by the vaccinated animals.
Main Results:
- Several recombinant proteins were successfully cloned.
- Vaccination with some of these cloned antigens conferred protection in mice.
- Demonstrated proof-of-concept for antigen-based vaccination against onchocerciasis.
Conclusions:
- Recombinant proteins hold promise as vaccine candidates for onchocerciasis.
- Further development of these antigens could lead to an effective onchocerciasis vaccine.
- The research highlights the feasibility of an antigen-based vaccine strategy.