Vaccination strategies to enhance local immunity and protection against Mycobacterium tuberculosis

被引:13
作者
Klucar, Peter [1 ]
Barnes, Peter F. [1 ,2 ]
Kong, Ying [1 ]
Howard, Susan T. [1 ,2 ]
Pang, Xiuhua [1 ]
Huang, Fang-Fang [1 ]
Tvinnereim, Amy R. [1 ]
Samten, Buka [1 ,2 ]
Shams, Homayoun [1 ,2 ]
机构
[1] Univ Texas Hlth Sci Ctr Tyler, Ctr Pulm & Infect Dis Control, Tyler, TX 75708 USA
[2] Univ Texas Hlth Sci Ctr Tyler, Dept Microbiol & Immunol, Tyler, TX 75708 USA
关键词
CFP10; Tuberculosis; Local immunity; CD8(+) T-CELLS; GENETIC IMMUNIZATION; MUCOSAL IMMUNITY; DNA IMMUNIZATION; PLASMID DNA; BOVIS BCG; IFN-GAMMA; IN-VIVO; INFECTION; CD4(+);
D O I
10.1016/j.vaccine.2009.01.119
中图分类号
R392 [医学免疫学]; Q939.91 [免疫学];
学科分类号
100102 ;
摘要
To determine the immunogenicity and protective efficacy of the Mycobacterium tuberculosis 10 kD culture filtrate protein (CFP10), and to evaluate strategies that enhance local immunity, we used C57BlI/6 DR4 mice that were transgenic for human HLA DRB1 *0401, because CFP10 contains epitopes for DRB1 *0401 but not for C57Bl/6 mice. Intramuscular immunization with a DNA vaccine encoding CFPIO elicited production of IFN-gamma by systemic CD4+ T cells, and one intravenous dose of the CFP10-based DNA vaccine coated with polyethylenimine (PEI) stimulated IFN-gamma production by lung CD4+ cells and reduced the pulmonary bacillary burden. We conclude that CFP10 is a potential vaccine candidate and that coating vaccines with PEI enhances local protective immunity to tuberculosis. (C) 2009 Elsevier Ltd. All rights reserved
引用
收藏
页码:1816 / 1824
页数:9
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