Abstract
Serologic tests for equine infl uenza virus (EIV) antibodies are used for many purposes, including retrospective diagnosis, subtyping of virus isolates, antigenic comparison of different virus strains, and measurement of immune responses to EIV vaccines. The hemagglutination-inhibition (HI), single radial hemolysis (SRH), and serum micro-neutralization tests are the most widely used for these purposes and are described here. The presence of inhibitors of hemagglutination in equine serum complicates interpretation of HI assay results, and there are alternative protocols (receptor-destroying enzyme, periodate, trypsin- periodate) for their removal. With the EIV H3N8 strains in particular, equine antibody titers may be magnified by pretreating the HI test antigen with Tween-80 and ether. The SRH assay offers stronger correlations between serum antibody titers and protection from disease. Other tests are sometimes used for specialized purposes such as the neuraminidase-inhibition assay for subtyping, or ELISA for measuring different specific antibody isotypes, and are not described here.
| Original language | English |
|---|---|
| Pages (from-to) | 411-422 |
| Number of pages | 12 |
| Journal | Methods in Molecular Biology |
| Volume | 1161 |
| DOIs | |
| State | Published - 2014 |
Bibliographical note
Publisher Copyright:© Springer Science+Business Media New York 2014.
UN SDGs
This output contributes to the following UN Sustainable Development Goals (SDGs)
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SDG 3 Good Health and Well-being
Keywords
- Antibody
- Hemagglutination inhibition
- Hemolysis
- Influenza
- Neutralization
ASJC Scopus subject areas
- Molecular Biology
- Genetics
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