Multiple Plasmodium falciparum proteins and membranes

Multiple Plasmodium falciparum proteins and membranes refers to the collective set of molecular targets within the malaria parasite that are affected by broad-spectrum antimalarial agents, most notably artemisinin and its derivatives (Wang et al., 2015, Nature Communications). These drugs are activated by the parasite's iron-rich environment, leading to the generation of reactive oxygen species and free radicals that covalently modify a wide array of essential proteins and disrupt lipid membranes (Ismail et al., 2016, PubMed). This multi-target approach is critical for the rapid reduction of parasite biomass during the erythrocytic stage of infection (WHO, 2023). Key affected structures include the parasite's food vacuole, mitochondria, and various enzymes involved in calcium signaling and protein folding (Tilley et al., 2016, Trends in Parasitology). Because these drugs hit numerous targets simultaneously, they have historically been less prone to the rapid development of high-level resistance compared to single-target drugs, although resistance mediated by PfKelch13 mutations is now a significant global health concern (Ashley et al., 2014, NEJM).

Other names

Plasmodium falciparum proteomeMalarial parasite membranesArtemisinin-binding proteinsP. falciparum multi-target complex

Antimalarial drugs, particularly artemisinins, undergo reductive activation by intra-parasitic heme or ferrous iron, generating reactive carbon-centered free radicals that covalently alkylate a broad array of essential parasite proteins and induce lipid peroxidation of membranes, leading to rapid parasite death (Wang et al., 2015, Nature Communications; Tilley et al., 2016, Trends in Parasitology).