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Vaccine. 2005 Mar 18;23(17-18):2336-8.

Linkage of Ii-Key segment to gp100(46-58) epitope enhances the production of epitope-specific antibodies.

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1
Antigen Express, Inc., 100 Barber St., Worcester, MA 01606-2478, USA.

Abstract

Linkage of the Ii-Key segment of the Ii protein to MHC class II epitope gp100(46-58) using a polymethylene linker significantly enhances the production of epitope-specific antibodies in HLA-DR4-IE transgenic mice. This enhancement is not restricted by the spacer length in between the Ii-Key and epitope. The use of either IFA or CFA induced only epitope-specific IgG1. In contrast, CpG adjuvant induced both IgG1 and IgG2a isotypes. These results indicate that the Ii-Key hybrid technology is a novel and potent method to increase the immunogenicity of a MHC class II epitope. It can also be used to more efficiently generate epitope-specific antibodies.

PMID:
15755623
DOI:
10.1016/j.vaccine.2005.01.038
[Indexed for MEDLINE]
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