Non-CS pre-erythrocytic protective antigens
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M R Hollingdale1, M Aikawa, C T Atkinson
1Biomedical Research Institute, Rockville, MD 20852.
Immunology Letters
|August 1, 1990
Abstract:
Three novel non-CS antigens have been identified on P. falciparum and P. berghei sporozoites and exoerythrocytic parasites. CSP-2 is a sporozoite surface protein common to P. falciparum and P. berghei that elicits antibody-mediated protection, and is also found within P. berghei EE parasites. LSA is a P. falciparum EE-specific antigen localized within the parasitophorous vacuole. LSA-2 is a P. berghei EE-specific antigen, localized on the parasitophorous vacuole membrane, that protected mice to P. berghei sporozoite challenge, and elicited cytotoxic T cells that killed P. berghei EE parasites in vitro.