Neutralizing antibodies are necessary and sufficient for protection against infection with vesicular stomatitis virus(VSV). The in vitro neutralization capacities and in vivo protective capacities of a panel of immunoglobulin G monoclonal antibodies to the glycoprotein of VSV were evaluated. In vitro, neutralizing activity correlated with avidity and with neutralization rate constant, a measure of on-rate. However, in vivo, protection was independent of immunoglobulin subclass, avidity, neutralization rate constant, and in vitro neutralizing activity; above a minimal avidity threshold, protection depended simply on a minimum serum concentration. These two biologically defined thresholds of antibody specificity offer hope for the development of adoptive therapy with neutralizing antibodies.

The role of antibody concentration and avidity in antiviral protection

FREER, GIULIA;
1997-01-01

Abstract

Neutralizing antibodies are necessary and sufficient for protection against infection with vesicular stomatitis virus(VSV). The in vitro neutralization capacities and in vivo protective capacities of a panel of immunoglobulin G monoclonal antibodies to the glycoprotein of VSV were evaluated. In vitro, neutralizing activity correlated with avidity and with neutralization rate constant, a measure of on-rate. However, in vivo, protection was independent of immunoglobulin subclass, avidity, neutralization rate constant, and in vitro neutralizing activity; above a minimal avidity threshold, protection depended simply on a minimum serum concentration. These two biologically defined thresholds of antibody specificity offer hope for the development of adoptive therapy with neutralizing antibodies.
1997
Bachmann, Mf; Kalinke, U; Althage, A; Freer, Giulia; Burkhart, C; Roost, Hp; Aguet, M; Hengartner, H; Zinkernagel, Rm
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/11568/55435
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