Induction of protective immunity to Listeria monocytogenes by immunization with plasmid DNA expressing a helper T-cell epitope that replaces the class II-associated invariant chain peptide of the invariant chain

被引:20
作者
Nagata, T [1 ]
Aoshi, T [1 ]
Suzuki, M [1 ]
Uchijima, M [1 ]
Kim, YH [1 ]
Yang, ZB [1 ]
Koide, Y [1 ]
机构
[1] Hamamatsu Univ Sch Med, Dept Microbiol & Immunol, Hamamatsu, Shizuoka 4313192, Japan
关键词
D O I
10.1128/IAI.70.5.2676-2680.2002
中图分类号
R392 [医学免疫学]; Q939.91 [免疫学];
学科分类号
100102 ;
摘要
Listeria epitope-specific helper T (Th) cells were able to be primed and induced in vivo by immunization with a plasmid carrying an invariant chain (Ii) gene whose class II-associated invariant chain peptide (CLIP) region was replaced by a Listeria Th epitope. Immunization of C3H/He mice Both an Ii-LLO 215-226 plasmid induced specific interferon-gamma- and interleukin 2-producing Th cells and conferred significant protective immunity against listerial infection.
引用
收藏
页码:2676 / 2680
页数:5
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