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Article Abstract
Background: Lumpy skin disease (LSD), caused by infection with the lumpy skin disease virus (LSDV), is a highly infectious disease that poses a notable challenge to the cattle industry worldwide. To conduct epidemiological monitoring of LSDV infection in cattle and evaluate the immune efficacy of LSDV vaccines, it is essential to develop a rapid, sensitive, and specific ELISA-based antibody detection method.
Results: We utilized the LSDV P32 protein, stably expressed in a CHO-K1 suspension cell system, as a coating antigen to develop an indirect ELISA for Capripoxvirus (CaPV) antibody detection. This method specifically recognizes CaPV-positive sera without cross-reactivity with sera positive for bovine viral diarrhea virus, bovine rotavirus, infectious bovine rhinotracheitis virus, and Brucella antibodies. The method demonstrated a maximum serum dilution detection capacity of 1:3200, with intra- and inter-assay variation coefficients below 10%. Comparison with a commercially available kit showed an agreement of 95.7%.
Conclusion: The indirect ELISA antibody detection method established exhibited excellent specificity, sensitivity, and reproducibility, providing a reliable tool for clinical detection and epidemiological surveys of LSDV. This method offers significant potential for the prevention and control of LSD outbreaks.
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| http://www.ncbi.nlm.nih.gov/pmc/articles/PMC12139313 | PMC |
| http://dx.doi.org/10.1186/s12896-025-00966-6 | DOI Listing |
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