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  • Title: Production and characterization of monoclonal antibodies against avian reovirus strain S1133.
    Author: Li L, Giambrone JJ, Panangala VS, Hoerr FJ.
    Journal: Avian Dis; 1996; 40(2):349-57. PubMed ID: 8790885.
    Abstract:
    Monoclonal antibodies (MAbs) were produced against the avian reovirus strain S1133. MAbs were isotyped and used to develop diagnostic tests. Splenocytes from immunized mice were screened by enzyme-linked immunosorbent assay (ELISA). Two hybridomas secreted MAbs against avian reovirus S1133. One MAb secreted IgG1 and the other secreted IgG2a. All MAb light chains were kappa Specificity of MAbs was tested against four avian reovirus strains: S1133, 1733, CO8, and 2408. Strains S1133, 1733, and 2408 viruses were in the same subtype; the CO8 virus belonged to a different subtype. The MAbs reacted with all reovirus strains by ELISA, dot blot, immunofluorescence assay, and immunoblotting. No MAb had neutralizing activity against the tested reoviruses. Immunoblot analysis showed the one MAb bound to protein sigma A with molecular weight of 39,000 Daltons for all reovirus strains. Another MAb bound to the protein sigma C with an approximate molecular mass of 32,000 Daltons. An indirect immunoperoxidase (IP) procedure was developed using a MAb to detect reovirus in formalin-fixed, paraffin-embedded tissues from infected chickens and chicken embryo fibroblast cell cultures. The IP test was simple, fast, and economical and enabled simultaneous evaluation of viral antigen-producing cells with tissue pathologic changes confirming that the reovirus caused the lesions.
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