J Vet Sci.
2016 Dec;17(4):479-487. 10.4142/jvs.2016.17.4.479.
Development and evaluation of an immunochromatographic assay using a gp51 monoclonal antibody for the detection of antibodies against the bovine leukemia virus
- Affiliations
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- 1Division of Viral Disease, Animal and Plant Quarantine Agency, Anyang 14086, Korea. shinyk2009@korea.kr
- 2Research Institution, MEDIAN Diagnostics Inc., Chuncheon 24399, Korea.
- 3Division of Veterinary Drugs and Biologics, Animal and Plant Quarantine Agency, Anyang 14086, Korea.
- 4Division of Animal Disease Diagnostic, Animal and Plant Quarantine Agency, Anyang 14086, Korea.
- KMID: 2412603
- DOI: http://doi.org/10.4142/jvs.2016.17.4.479
Abstract
- Infection of cattle with bovine leukemia virus (BLV) has been observed and reported worldwide, including in Korea. The onsite identification of infected cattle would help decreasing and eradicating BLV infections on farms. Here, we present a new immunochromatographic assay that employs monoclonal antibodies (MAbs) for the detection of antibodies against BLV in the field. BLV envelope glycoprotein (gp)51 was expressed in E. coli, and MAbs against recombinant BLV gp51 were generated for the development of an immunochromatographic assay to detect BLV antibodies in cattle. The sensitivity and specificity of the assay were determined by comparing these results with those obtained from a standard enzyme linked immunosorbent assay (ELISA). A total of 160 bovine sera were used to evaluate the new immunochromatographic assay. Using ELISA as a reference standard, the relative specificity and sensitivity of this assay were determined to be 94.7% and 98%, respectively. Because of its high sensitivity and specificity, this BLV antibody detection assay would be suitable for the onsite identification of BLV infection in the field.
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