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Large‐scale comparison of experimental adjuvants with herpes simplex virus vaccine reveals a correlation of protection with IgG2a and IgG2b responses
Author(s) -
Simms John R.,
Jennings Roy,
Richardson Ver J.,
Heath Andrew W.
Publication year - 2002
Publication title -
journal of medical virology
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.782
H-Index - 121
eISSN - 1096-9071
pISSN - 0146-6615
DOI - 10.1002/jmv.10173
Subject(s) - virology , herpes simplex virus , biology , virus , medicine
Abstract The potential of a large number of commercial and experimental adjuvant preparations to enhance the immunogenicity of an HSV‐1 glycoprotein subunit vaccine was investigated. Evaluation was based on toxicity, HSV‐specific antibody production, and protection against lethal challenge. All adjuvants tested increased the titer of antigen specific Ig levels when compared to subunit vaccine alone. However, following challenge, a broad range of protective responses were noted. Statistically significant correlations were observed between IgG antibody levels post immunization and the observed protection and these were particularly associated with antibodies of the IgG2a and IgG2b subclasses. The results emphasize the requirement of adjuvants for vaccine formulation when using subunit preparations, and demonstrate that the magnitude and efficacy of the induced immune response varies greatly with the choice of adjuvant. J. Med. Virol. 68:82–91, 2002. © 2002 Wiley‐Liss, Inc.