Related Experiment Video
Updated: May 9, 2026
Detection of Neutralization-sensitive Epitopes in Antigens Displayed on Virus-Like Particle (VLP)-Based Vaccines Using a Capture Assay
Published on: February 10, 2022
Development of monoclonal antibody-based methods for detecting mpox virus
Zuoyuan Du1,2, Xingqi Wu1,2, Li Guo1,2,3
1National Health Commission Key Laboratory of Systems Biology of Pathogens, State Key Laboratory of Respiratory Health and Multimorbidity, Christophe Mérieux Laboratory, National Institute of Pathogen Biology, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing 102600, China.
Researchers developed novel monoclonal antibodies for rapid mpox virus (MPXV) detection. These antibodies form the basis of a sensitive and specific immunodiagnostic platform for point-of-care mpox testing.
Area of Science:
- Immunology
- Virology
- Biotechnology
Background:
- Mpox (monkeypox virus) has been declared a public health emergency, necessitating rapid diagnostic tools.
- Existing diagnostic methods may lack the speed and specificity required for effective outbreak control.
Purpose of the Study:
- To develop and characterize monoclonal antibodies against key mpox virus (MPXV) antigens.
- To create a sensitive and specific immunodiagnostic assay for MPXV detection.
Main Methods:
- Hybridoma technology was used to generate monoclonal antibodies against MPXV antigens (A29L, A35R, H3L, E8L).
- Epitope binning via competitive ELISA and biolayer interferometry identified non-overlapping antibody pairs.
- Sandwich ELISA assays were developed using these antibody pairs.
Main Results:
- Developed specific monoclonal antibody pairs with nanogram-level sensitivity in sandwich ELISA assays.
- Demonstrated high specificity, distinguishing MPXV from related orthopoxviruses (cowpox, vaccinia, variola).
- Confirmed reactivity of antibodies with cultured MPXV.
Conclusions:
- Established a robust immunodiagnostic platform for MPXV detection.
- The platform shows significant potential for point-of-care applications during mpox outbreaks.
