Enzyme-linked immunosorbent assay using glycoprotein and monoclonal antibody for detecting antibodies to vesicular stomatitis virus serotype New Jersey

Clin Vaccine Immunol. 2009 May;16(5):667-71. doi: 10.1128/CVI.00043-09. Epub 2009 Mar 11.

Abstract

In this study, an enzyme-linked immunosorbent assay (ELISA) using glycoprotein and a monoclonal antibody (MAb) was developed for the detection of antibodies to vesicular stomatitis virus (VSV) serotype New Jersey (NJ). The glycoprotein to be used as a diagnostic antigen was extracted from partially purified VSV-NJ, and a neutralizing MAb specific to VSV-NJ was incorporated to compete with antibodies in a blocking ELISA using glycoprotein (GP ELISA). The cutoff of the GP ELISA was set at 40% inhibition, which corresponded to a virus neutralization test (VNT) titer of 32. With this threshold, the GP ELISA exhibited 99.6% specificity for naïve sera (n = 3,005) from cattle (n = 1,040), pigs (n = 1,120), and horses (n = 845) from domestic farms. The GP ELISA did not cross-react with sera positive for foot-and-mouth disease virus, swine vesicular disease virus, or VSV serotype Indiana. The GP ELISA was more compatible with the VNT than was the nucleocapsid-based ELISA for VSV-NJ-positive sera (n = 19). Taken together, this GP ELISA could be a useful tool as an alternative to the VNT for detecting antibodies specific to VSV-NJ.

Publication types

  • Evaluation Study
  • Research Support, Non-U.S. Gov't

MeSH terms

  • Animals
  • Antibodies
  • Antibodies, Monoclonal*
  • Antibodies, Viral / blood*
  • Cattle
  • Cattle Diseases / diagnosis
  • Cattle Diseases / virology
  • Enzyme-Linked Immunosorbent Assay / methods
  • Glycoproteins*
  • Horse Diseases / diagnosis
  • Horse Diseases / virology
  • Horses
  • Rhabdoviridae Infections / diagnosis
  • Rhabdoviridae Infections / veterinary*
  • Rhabdoviridae Infections / virology
  • Sensitivity and Specificity
  • Swine
  • Swine Diseases / diagnosis
  • Swine Diseases / virology
  • Vesicular stomatitis New Jersey virus / isolation & purification*

Substances

  • Antibodies
  • Antibodies, Monoclonal
  • Antibodies, Viral
  • Glycoproteins