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Vaccinia Virus Infection & Temporal Analysis of Virus Gene Expression: Part 1
Published on: April 8, 2009
Partial antigenic characterization of buffalopox virus.
1National Biotechnology Centre, Indian Veterinary Research Institute, Izatnagar 243 122, UP, India. p_anadkumar@yahoo.com
Veterinary Research Communications
|October 29, 2004
Summary
This study characterized six monoclonal antibodies (MAbs) for buffalopox virus (BPV) detection. While specific to BPV, only two MAbs showed significant binding across isolates, with none demonstrating neutralizing activity.
Area of Science:
- Virology
- Immunology
- Molecular Biology
Background:
- Buffalopox virus (BPV) poses a significant threat to animal health.
- Antigenic characterization is crucial for developing diagnostic tools and vaccines.
- Monoclonal antibodies (MAbs) offer high specificity for viral antigen detection.
Purpose of the Study:
- To antigenically characterize buffalopox virus (BPV).
- To produce and evaluate the specificity and reactivity of six monoclonal antibodies (MAbs) against BPV.
- To assess the diagnostic potential of these MAbs in various assays.
Main Methods:
- Production and characterization of six MAbs against BPV-BP4 strain.
- Antigen capture ELISA to assess MAb specificity and cross-reactivity.
- Western blot analysis to identify MAb-reactive viral polypeptides.
- Radioimmunoprecipitation assay (RIPA) for polypeptide analysis.
- Virus neutralization tests to evaluate MAb efficacy.
Main Results:
- All six MAbs were specific to BPV, with no cross-reactivity to other poxviruses.
- Two MAbs (20AB8, 20CD11) showed significant binding to BPV isolates via ELISA.
- Western blot and RIPA identified specific BPV polypeptides recognized by MAbs and hyperimmune serum.
- None of the MAbs demonstrated significant virus neutralization activity.
Conclusions:
- The developed MAbs are specific to BPV and can be used for its detection.
- Further investigation is needed to enhance the neutralizing capacity of antibodies against BPV.
- These findings contribute to the development of improved diagnostic strategies for buffalopox.
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