Detection of antibodies to single HIV-1 proteins was performed by modified Western-blotting procedure. The use of [35S]-Streptavidin instead of Avidin-peroxidase conjugate greatly enhances the sensitivity of the method and enables useful quantitative analysis of results.
Immunoblot detection of antibodies to Toscana virus
✍ Scribed by Schwarz, Tino F.; Gilch, Sabine; Pauli, Christof; Jäger, Gundula
- Book ID
- 102646536
- Publisher
- John Wiley and Sons
- Year
- 1996
- Tongue
- English
- Weight
- 524 KB
- Volume
- 49
- Category
- Article
- ISSN
- 0146-6615
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✦ Synopsis
Sera from patients with sandfly fever caused by Toscana virus (TOSV) infection were tested by immunoblot for specific antibody response to TOSV derived from infected Vero-E6 cells. The 28 kDa TOSV nucleoprotein (N) was identified as the major immunodominant protein recognized by immunoblot. In sera of patients with acute TOSV infection, specific antibodies of the IgM, IgA, and IgG class were detected. Using sandfly fever virus, serotypes Sicilian (SFSV) and Naples (SFNV), as antigens for immunoblot, TOSV antibody-positive sera cross-reacted with the corresponding N proteins. These sera reacted for IgM and IgG by SFSV immunoblot, and for IgM by SFNV immunoblot. The diagnosis of sandfly fever may be confirmed by TOSV immunoblot.
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