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cholesterol

NOT Open Access | A prospective mechanism and source of cholesterol uptake by Plasmodium falciparum-infected erythrocytes co-cultured with HepG2 cells

February 3, 2021 - 14:57 -- NOT Open Access
Author(s): 
Hayakawa EH, Kato H, Nardone GA, Usukura J
Reference: 
Parasitol Int. 2021 Feb;80:102179

Plasmodium falciparum (P. falciparum) parasites still cause lethal infections worldwide, especially in Africa (https://www.who.int/publications/i/item/world-malaria-report-2019). During P. falciparum blood-stage infections in humans, low-density lipoprotein, high-density lipoprotein and cholesterol levels in the blood become low. Because P. falciparum lacks a de novo cholesterol synthesis pathway, it must import cholesterol from the surrounding environment. However, the origin of the cholesterol and how it is taken up by the parasite across the multiple membranes that surround it is not fully understood.

Cholesterol-dependent enrichment of understudied erythrocytic stages of human Plasmodium parasites

March 18, 2020 - 14:34 -- Open Access
Author(s): 
Brown AC, Moore CC, Guler JL
Reference: 
Sci Rep. 2020 Mar 12;10(1):4591

For intracellular pathogens, the host cell provides needed protection and nutrients. A major challenge of intracellular parasite research is collection of high parasite numbers separated from host contamination. This situation is exemplified by the malaria parasite, which spends a substantial part of its life cycle inside erythrocytes as rings, trophozoites, and schizonts, before egress and reinvasion.

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