Heme detoxification in the malaria parasite: A target for antimalarial drug development

KA de Villiers, TJ Egan - Accounts of chemical research, 2021 - ACS Publications
Conspectus Over the last century, malaria deaths have decreased by more than 85%.
Nonetheless, there were 405 000 deaths in 2018, mostly resulting from Plasmodium …

Haemozoin formation

TJ Egan - Molecular and biochemical parasitology, 2008 - Elsevier
Formation of malaria pigment or haemozoin is the major route of haem detoxification in the
malaria parasite Plasmodium falciparum as well as several other species of …

The role of Plasmodium V-ATPase in vacuolar physiology and antimalarial drug uptake

A Alder, CP Sanchez, MRG Russell… - Proceedings of the …, 2023 - National Acad Sciences
To ensure their survival in the human bloodstream, malaria parasites degrade up to 80% of
the host erythrocyte hemoglobin in an acidified digestive vacuole. Here, we combine …

A colorimetric high-throughput β-hematin inhibition screening assay for use in the search for antimalarial compounds

KK Ncokazi, TJ Egan - Analytical biochemistry, 2005 - Elsevier
Antimalarial drugs such as chloroquine are believed to act by inhibiting hemozoin formation
in the food vacuole of the malaria parasite. We have developed a new assay for measuring …

Theories on malarial pigment formation and quinoline action

DJ Sullivan - International journal for parasitology, 2002 - Elsevier
Haeme metabolism remains a vulnerable problem for the intraerythrocytic Plasmodium
which catabolises haemoglobin as a source of amino acids in an acidic, oxygen-rich …

Digestive-vacuole genesis and endocytic processes in the early intraerythrocytic stages of Plasmodium falciparum

NA Bakar, N Klonis, E Hanssen… - Journal of cell …, 2010 - journals.biologists.com
The digestive vacuole of the malaria parasite Plasmodium falciparum is the site of
haemoglobin digestion and haem detoxification, and is the target of chloroquine and other …

Interplay between malaria, crystalline hemozoin formation, and antimalarial drug action and design

I Weissbuch, L Leiserowitz - Chemical reviews, 2008 - ACS Publications
This review on the interplay between malaria, antimalarial drugs, and hemozoin crystals is
directed, on one hand, to biologists and pharmaceutical chemists who wish to have a …

Antimalarial drugs inhibiting hemozoin (β-hematin) formation: a mechanistic update

S Kumar, M Guha, V Choubey, P Maity… - Life sciences, 2007 - Elsevier
Digestion of hemoglobin in the food vacuole of the malaria parasite produces very high
quantities of redox active toxic free heme. Hemozoin (β-hematin) formation is a unique …

Recent advances in understanding the mechanism of hemozoin (malaria pigment) formation

TJ Egan - Journal of inorganic biochemistry, 2008 - Elsevier
The recent literature on hemozoin/β-hematin formation is reviewed, with an emphasis on the
mechanism of its formation. Recent findings from unrelated organisms that produce …

Regulating immunity to malaria

EM Riley, S Wahl, DJ Perkins… - Parasite immunology, 2006 - Wiley Online Library
The optimal outcome of a malaria infection is that parasitized cells are killed and degraded
without inducing significant pathology. Since much of the pathology of malaria infection can …