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Antibody polyspecificity and neutralization of HIV-1: a hypothesis.


ABSTRACT: HIV-1 has evolved many ways to evade protective host immune responses, thus creating a number of problems for HIV vaccine developers. In particular, durable, broadly specific neutralizing antibodies to HIV-1 have proved difficult to induce with current HIV-1 vaccine candidates. The recent observation that some broadly neutralizing anti-HIV-1 envelope monoclonal antibodies have polyspecific reactivities to host antigens have raised the hypothesis that one reason antibodies against some of the conserved HIV-1 envelope trimer neutralizing epitopes are not routinely made may be down-regulation of some specificities of anti-HIV-1 antibody producing B cells by host B cell tolerance mechanisms.

SUBMITTER: Haynes BF 

PROVIDER: S-EPMC2673565 | biostudies-literature | 2005

REPOSITORIES: biostudies-literature

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Antibody polyspecificity and neutralization of HIV-1: a hypothesis.

Haynes Barton F BF   Moody M Anthony MA   Verkoczy Laurent L   Kelsoe Garnett G   Alam S Munir SM  

Human antibodies 20050101 3-4


HIV-1 has evolved many ways to evade protective host immune responses, thus creating a number of problems for HIV vaccine developers. In particular, durable, broadly specific neutralizing antibodies to HIV-1 have proved difficult to induce with current HIV-1 vaccine candidates. The recent observation that some broadly neutralizing anti-HIV-1 envelope monoclonal antibodies have polyspecific reactivities to host antigens have raised the hypothesis that one reason antibodies against some of the con  ...[more]

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