CD1d-restricted NK T cells are dispensable for specific antibody responses and protective immunity against liver stage malaria infection in mice

被引:38
作者
Romero, JF
Eberl, G
Macdonald, HR
Corradin, G [1 ]
机构
[1] Univ Lausanne, Inst Biochem, CH-1066 Epalinges, Switzerland
[2] Univ Lausanne, Ludwig Inst Canc Res, Lausanne Branch, CH-1066 Epalinges, Switzerland
关键词
Plasmodium berghei; sporozoites; T lymphocytes; immunity;
D O I
10.1046/j.1365-3024.2001.00381.x
中图分类号
R392 [医学免疫学]; Q939.91 [免疫学];
学科分类号
100102 ;
摘要
Immunization with a single dose of irradiated sporozoites is sufficient to induce protection against malaria in wild-type mice. Although this protection is classically attributed to conventional CD4(+) and CD8(+) T cells, several recent reports have suggested an important role for CD1-restricted NK T cells in immunity to malaria. in this study, we directly compared the ability of C57BL/6 wild-type and CD1-deficient mice to mount a protective immune response against Plasmodium berghei sporozoites. Our data indicate that CD1-restricted NK T cells are not required for protection in this model system. Moreover, specific IgG antibody responses to the P. berghei circumsporozoite repeat sequence were also unaffected by CD1 deficiency. Collectively, our data demonstrate that CD1-restricted NK T cells are dispensable for protective immunity to liver stage P. berghei infection.
引用
收藏
页码:267 / 269
页数:3
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