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Human serum high-density lipoprotein (HDL) is necessary and sufficient for the short-term maintenance of Plasmodium falciparum in in vitro culture. However, at high concentrations it is toxic to the parasite. A heat-labile component is apparently responsible for the stage-specific toxicity to parasites within infected erythrocytes 12-42 h after invasion, i.e. during trophozoite maturation. The effects of HDL on parasite metabolism (as determined by nucleic acid synthesis) are evident at about 30 h after invasion. Parasites treated with HDL show gross abnormalities by light and electron microscopy.


Journal article



Publication Date





577 - 584


Animals, Erythrocytes, Flow Cytometry, Humans, Hypoxanthine, Lipoproteins, HDL, Lipoproteins, LDL, Malaria, Falciparum, Microscopy, Electron, Plasmodium falciparum