Inhibition of intra-erythrocytic growth of Plasmodium falciparum by human sera from Papua New Guinea
- 1 July 1987
- journal article
- Published by Oxford University Press (OUP) in Transactions of the Royal Society of Tropical Medicine and Hygiene
- Vol. 81 (4) , 568-572
- https://doi.org/10.1016/0035-9203(87)90410-x
Abstract
Plasmodium falciparum was cultured through a single intra-erythrocytic cycle of growth in the presence of sera from various areas of Papua New Guinea. Of 194 sera tested from healthy individuals or subjects with hyperreactive malarious splenomegaly (HMS), 107 (55%) significantly inhibited parasite development. Inhibition did not correlate with malaria experience or HMS, though it was to some extent a seasonal phenomenon. Sera with inhibitory activity lost this after dialysis. A possible explanation for these findings is the occurrence of a dietary toxin with antimalarial properties detectable in vitro.Keywords
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