ArticleMicroorganisms2023
A Robust Quadruple Protein-Based Indirect ELISA for Detection of Antibodies to African Swine Fever Virus in Pigs.
Article in Microorganisms, 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 7 papers.
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Who cites it
7 citing papers in PubMed, 8 citations in OpenAlex.
- Development of an indirect ELISA based on a multi-epitope recombinant protein for antibody detection against African swine fever virus.Microbiology spectrum · 2026Article
- Indirect ELISA Based on ASFV Polymerase Three Subunits for Serological Monitoring of African Swine Fever Antibodies.Veterinary sciences · 2026Article
- Establishment and Evaluation of a Multicolor Latex Microsphere-Based Lateral Flow Immunoassay for the Simultaneous Detection of Antibodies Against African and Classical Swine Fever Viruses.Transboundary and emerging diseases · 2026Article
- ASF outbreaks in Vietnam (2019-2024): insights and lessons learned.Veterinary research communications · 2025Review
- Gut microbiota and the tryptophan-kynurenine pathway in anxiety: new insights and treatment strategies.Journal of neural transmission (Vienna, Austria : 1996) · 2025Review
- Technologies for detecting biological risk factors in agricultural products and their applications.Current research in food science · 2025Review
- A triple protein-based ELISA for differential detection of ASFV antibodies.Frontiers in veterinary science · 2024Article
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Authors and funding
15 authors at 7 institutions in 2 countries.
Funding
Abstract
African swine fever (ASF) emerged in domestic pigs and wild boars in China in 2018 and rapidly spread to neighboring Asian countries. Currently, no effective vaccine or diagnostic tests are available to prevent its spread. We developed a robust quadruple recombinant-protein-based indirect enzyme-linked immunosorbent assay (QrP-iELISA) using four antigenic proteins (CD2v, CAP80, p54, and p22) to detect ASF virus (ASFV) antibodies and compared it with a commercial kit (IDvet) using ASFV-positive and -negative serum samples. The maximum positive/negative value was 24.033 at a single antigen concentration of 0.25 μg/mL and quadruple ASFV antigen combination of 1 μg/mL at a 1:100 serum dilution. Among 70 ASFV-positive samples, 65, 67, 65, 70, 70, and 14 were positive above the cut-offs of 0.121, 0.121, 0.183, 0.065, 0.201, and 0.122, for CD2v, CAP80, p54, p22-iELISA, QrP-iELISA, and IDvet, respectively, with sensitivities of 92.9%, 95.7%, 92.9%, 100%, 100%, and 20%, respectively, all with 100% specificity. The antibody responses in QrP-iELISA and IDvet were similar in pigs infected with ASFV I. QrP-iELISA was more sensitive than IDvet for early antibody detection in pigs infected with ASFV II. These data provide a foundation for developing advanced ASF antibody detection kits critical for ASF surveillance and control.
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