Imaging effector functions of human cytotoxic CD4+ T cells specific for Plasmodium falciparum circumsporozoite protein
نویسندگان
چکیده
منابع مشابه
HLA-A*01-restricted cytotoxic T-lymphocyte epitope from the Plasmodium falciparum circumsporozoite protein.
Here, we report the identification of a novel CD8+ cytotoxic T-lymphocyte epitope on the Plasmodium falciparum circumsporozoite protein (3D7; amino acids 310 to 319 [EPSDKHIKEY]) that is restricted by HLA-A*01 and is recognized by human volunteers immunized with irradiated P. falciparum sporozoites. HLA-A*01 is the second most common HLA allele among Caucasians.
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Malaria is a mosquito-borne infectious disease caused by the parasite Plasmodium spp. Malaria continues to have a devastating impact on human health. Sporozoites are the infective forms of the parasite inside mosquito salivary glands. Circumsporozoite protein (CSP) is a major and immunodominant protective antigen on the surface of Plasmodium sporozoites. Here, we report a generation of specific...
متن کاملInduction of cytotoxic T lymphocytes against the Plasmodium falciparum circumsporozoite protein by immunization with soluble recombinant protein without adjuvant.
Immunization of mice with irradiated malaria sporozoites induces protection that is dependent on CD8+ T cells, and adoptive transfer of CD8+ cytotoxic T lymphocyte (CTL) clones against rodent malaria circumsporozoite (CS) protein and sporozoite surface protein 2 completely protects against sporozoite challenge. Thus, there are now efforts to develop vaccines that induce CTL against the CS prote...
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Circumsporozoite protein (CS) is a leading vaccine antigen for falciparum malaria, but is highly polymorphic in natural parasite populations. The factors driving this diversity are unclear, but non-random assortment of the T cell epitopes TH2 and TH3 has been observed in a Kenyan parasite population. The recent publication of the crystal structure of the variable C terminal region of the protei...
متن کاملHeterogeneity of human effector CD4+ T cells
For many years the heterogeneity of CD4+ T-helper (Th) cells has been limited to Th1 and Th2 cells, which have been considered not only to be responsible for different types of protective responses, but also for the pathogenesis of many disorders. Th1 cells are indeed protective against intracellular microbes and they are thought to play a pathogenic role in organ-specific autoimmune and other ...
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ژورنال
عنوان ژورنال: International Journal for Parasitology
سال: 2009
ISSN: 0020-7519
DOI: 10.1016/j.ijpara.2008.06.014