1887

Abstract

Summary

Mice infected with lactate dehydrogenase-elevating virus (LDV) were found to produce high titres of IgG anti-LDV antibodies that remained elevated for more than 1 year. This response, which was T-dependent, showed a striking preponderance of IgG2a with, from one strain to another, variable proportions of IgG2b and IgG3 but always very little IgG1. The binding of these antibodies to viral protein blots showed a major reaction with VP3, the heterogeneous glycosylated material of the viral envelope. A minor reaction was also noted with VP1, the nucleocapsid protein, but no antibodies were detected against VP2, the non-glycosylated envelope protein of LDV. A similar preponderance of anti-VP3 antibodies was also observed in a large set of anti-LDV hybridomas. Analysis of VP3 with monoclonal antibodies suggested that, despite its heterogeneity, this material has a common polypeptide moiety that apparently carries two major epitopes.

Keyword(s): antibodies , immunoblotting , isotype and LDV
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/content/journal/jgv/10.1099/0022-1317-67-6-1099
1986-06-01
2019-10-23
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http://instance.metastore.ingenta.com/content/journal/jgv/10.1099/0022-1317-67-6-1099
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