1887

Abstract

Summary

A microplate double antibody sandwich ELISA was employed in an immunological study of the group B Coxsackieviruses. The assay, described in detail, detected high dilutions of virion antigen (less than 10 ng) in purified preparations and in crude infected cell extracts. Furthermore, by using a constant amount of antigen, group B virus antibodies in hamster antisera could be quantified with a sensitivity equivalent to the virus neutralization test. Titrations of virus antigens and antibodies were found to be type-specific when purified virions were employed in the assay. Urea disruption of virions exposed antigens common to all six group B viruses. The heterotypic reactivity of disrupted group B virions did not extend to the other viruses tested. Immunoprecipitation and SDS-PAGE analysis revealed that, of the four virion structural polypeptides (VP1 to 4), VP1 contained the major common antigenic determinants shared by members of the group B Coxsackieviruses.

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/content/journal/jgv/10.1099/0022-1317-50-2-357
1980-10-01
2019-11-17
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http://instance.metastore.ingenta.com/content/journal/jgv/10.1099/0022-1317-50-2-357
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