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  • Title: Ultrastructural localization of protective and nonprotective Plasmodium falciparum proteins using serum samples from vaccinated Aotus monkeys.
    Author: Atkinson CT, Aikawa M, Fujino T, Tam LQ, Hui GS, Siddiqui WA.
    Journal: J Parasitol; 1987 Dec; 73(6):1235-40. PubMed ID: 3325622.
    Abstract:
    Postembedding immunoelectron microscopy, using pooled serum samples from a recent vaccination experiment involving Aotus monkeys, was used to localize immune targets in Plasmodium falciparum-infected erythrocytes and free merozoites. Serum samples from Aotus monkeys, protected completely by immunization with the P. falciparum merozoite surface coat precursor protein, identified immune targets on the surface of free and intracellular merozoites as well as the cytoplasm, plasma membrane, and parasitophorous vacuole membrane of immature schizonts. Serum samples from unprotected monkeys, which had been immunized with a complex of 143-kDa, 132-kDa, and 102-kDa polypeptides reacted specifically with the rhoptries of immature schizonts and mature merozoites.
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