Expression of a viral protein by muscle cells in vivo induces protective cell-mediated immunity

被引:39
作者
Ulmer, JB
Deck, RR
DeWitt, CM
Fu, TM
Donnelly, JJ
Caulfield, MJ
Liu, MA
机构
关键词
DNA vaccine; myocyte; antigen presentation; MHC Class I;
D O I
10.1016/S0264-410X(96)00256-3
中图分类号
R392 [医学免疫学]; Q939.91 [免疫学];
学科分类号
100102 ;
摘要
Intramuscular injection of plasmid DNA expression vectors results in transfection of myocytes in situ. To determine whether expression of antigen by myocytes is sufficient to induce protective cell-mediated immunity, stably transfected myoblasts expressing influenza nucleoprotein (NP) were transplanted into mice. These animals produced high-titer anti-NP antibodies and MHC class I-restricted cytotoxic T lymphocytes, and were protected from a cross-strain lethal challenge with influenza A virus. Therefore, antigen expression by muscle cells in vivo is sufficient to confer protective cell-mediated immunity. (C) 1997 Elsevier Science Ltd.
引用
收藏
页码:839 / 841
页数:3
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