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Development of a blocking ELISA using a recombinant glycoprotein for the detection of antibodies to vesicular stomatitis New Jersey virus
A recombinant glycoprotein (R-GP) of vesicular stomatitis New Jersey virus (VSV-NJ) was expressed in insect cells by a baculovirus system. Its utility as a diagnostic antigen in a blocking ELISA was investigated as an alternative to the current native GP extracted from VSV-NJ. With the cut-off value...
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Published in: | Journal of virological methods 2010-03, Vol.164 (1), p.96-100 |
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Main Authors: | , , , , , |
Format: | Article |
Language: | English |
Subjects: | |
Citations: | Items that this one cites Items that cite this one |
Online Access: | Get full text |
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Summary: | A recombinant glycoprotein (R-GP) of vesicular stomatitis New Jersey virus (VSV-NJ) was expressed in insect cells by a baculovirus system. Its utility as a diagnostic antigen in a blocking ELISA was investigated as an alternative to the current native GP extracted from VSV-NJ. With the cut-off value of 73% inhibition, the R-GP ELISA exhibited 99.1% specificity for naive sera from cattle and horses. It did not cross-react with VSV-Indiana (VSV-IN) positive sera and differentiated from foot-and-mouth disease and swine vesicular disease. Taken together, this is the first report that the R-GP has a potential to be used as a diagnostic antigen in place of the native GP for the detection of antibodies to VSV-NJ in cattle and horses. |
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ISSN: | 0166-0934 1879-0984 |
DOI: | 10.1016/j.jviromet.2009.12.005 |