Anti-idiotypic antibodies induce neutralizing antibodies to rabies virus glycoprotein.
AUTOR(ES)
Reagan, K J
RESUMO
Rabbit anti-idiotypic antibodies (alpha Id Ab) were prepared against five murine monoclonal antibodies (mAb) specific for the rabies virus glycoprotein. Four of the mAb were directed against three known, type-specific, neutralizing sites on the glycoprotein, and the other mAb was directed against a topographically uncharacterized, nonneutralizing epitope. An absence of significant cross-reactivity among the alpha Id Ab for heterologous mAb suggested that the alpha Id Ab were highly specific for unique variable region determinants. The binding of three of the five alpha Id Ab to their homologous mAb could be inhibited by rabies virus-soluble glycoprotein, suggesting that the alpha Id Ab possessed subpopulations similar or adjacent to the antigen-binding site of the mAb. Two of the five alpha Id Ab injected into mice elicited a specific virus-neutralizing antibody response. Mechanisms to account for the induction of the virus-neutralizing antibody by alpha Id Ab are discussed.
ACESSO AO ARTIGO
http://www.pubmedcentral.nih.gov/articlerender.fcgi?artid=255398Documentos Relacionados
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