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Design, development, and interpretation of HIV neutralization assays
A S Whalley1, M L Nguyen, W J Morrow
1IDEC Pharmaceuticals Corporation, La Jolla, California.
Viral Immunology
|January 1, 1991
Summary
Developing effective HIV therapies requires reliable in vitro screening. This study details syncytium inhibition and p24 antigen assays, offering reproducible and sensitive methods for evaluating anti-HIV reagents.
Area of Science:
- Virology
- Immunology
- Drug Discovery
Background:
- Standardized in vitro assays are crucial for developing therapeutic reagents to control HIV infection.
- Numerous HIV neutralization assays exist, but a universally accepted standard is lacking.
Purpose of the Study:
- To review available HIV neutralization assays.
- To describe selected syncytium inhibition, syncytial focus, and p24 gag antigen assays for screening anti-HIV reagents.
Main Methods:
- Evaluation of various technical protocols and experimental procedures for HIV neutralization assays.
- Detailed description of syncytium inhibition and syncytial focus assays.
- Utilizing p24 gag antigen production as an objective measure of HIV infection.
Main Results:
- Syncytium inhibition and syncytial focus assays were found to be particularly useful.
- p24 gag antigen production proved to be an excellent objective measure of HIV infection.
- The selected assays demonstrated reproducibility and sensitivity.
Conclusions:
- The described methods are suitable for screening and characterizing reagents with potential anti-HIV properties.
- These assays can be implemented in most laboratories for HIV research and therapeutic development.