From magic bullet to magic bomb: reductive bioactivation of antiparasitic agents

S Wittlin, P Mäser - ACS Infectious Diseases, 2021 - ACS Publications
Paul Ehrlich coined the term “magic bullet” to describe how a drug kills the parasite inside its
human host without harming the host itself. Ehrlich concluded that the drug must have a …

Monoclonal antibodies that recognize the alkylation signature of antimalarial ozonides OZ277 (arterolane) and OZ439 (artefenomel)

J Jourdan, H Matile, E Reift, O Biehlmaier… - ACS infectious …, 2016 - ACS Publications
The singular structure of artemisinin, with its embedded 1, 2, 4-trioxane heterocycle, has
inspired the discovery of numerous semisynthetic artemisinin and structurally diverse …

Ozonide Antimalarials Alkylate Heme in the Malaria Parasite Plasmodium falciparum

C Giannangelo, D Anderson, X Wang… - ACS infectious …, 2019 - ACS Publications
The mechanism of action of ozonide antimalarials involves activation by intraparasitic iron
and the formation of highly reactive carbon-centered radicals that alkylate malaria parasite …

A medicinal chemistry perspective on artemisinin and related endoperoxides

PM O'Neill, GH Posner - Journal of medicinal chemistry, 2004 - ACS Publications
Currently, nearly two billion people are at risk of contracting malaria and the incidence of this
disease is dramatically increasing because many Plasmodium falciparum strains, the …

Is alkylation the main mechanism of action of the antimalarial drug artemisinin?

A Robert, B Meunier - Chemical Society Reviews, 1998 - pubs.rsc.org
Artemisinin is a sesquiterpene lactone with an endoperoxide function essential for its
antimalarial activity against chloroquine-resistant strains of Plasmodium falciparum. The …

Probing the antimalarial mechanism of artemisinin and OZ277 (arterolane) with nonperoxidic isosteres and nitroxyl radicals

MA Fügi, S Wittlin, Y Dong… - Antimicrobial agents and …, 2010 - Am Soc Microbiol
Peroxidic antimalarials such as the semisynthetic artemisinins are critically important in the
treatment of drug-resistant malaria. Nevertheless, their peroxide bond-dependent mode of …

Parasite-Mediated Degradation of Synthetic Ozonide Antimalarials Impacts In Vitro Antimalarial Activity

C Giannangelo, L Stingelin, T Yang… - Antimicrobial Agents …, 2018 - Am Soc Microbiol
The peroxide bond of the artemisinins inspired the development of a class of fully synthetic
1, 2, 4-trioxolane-based antimalarials, collectively known as the ozonides. Similar to the …

Why artemisinin and certain synthetic peroxides are potent antimalarials. Implications for the mode of action

CW Jefford - Current medicinal chemistry, 2001 - ingentaconnect.com
The discovery that the sesquiterpene peroxide yingzhaosu A (13) and 1, 2, 4-trioxane
artemisinin (14) are active against chloroquine-resistant strains of Plasmodium falciparum …

Synthetic ozonide drug candidate OZ439 offers new hope for a single-dose cure of uncomplicated malaria

SA Charman, S Arbe-Barnes… - Proceedings of the …, 2011 - National Acad Sciences
Ozonide OZ439 is a synthetic peroxide antimalarial drug candidate designed to provide a
single-dose oral cure in humans. OZ439 has successfully completed Phase I clinical trials …

The interaction of heme with plakortin and a synthetic endoperoxide analogue: new insights into the heme-activated antimalarial mechanism

M Persico, R Fattorusso, O Taglialatela-Scafati… - Scientific Reports, 2017 - nature.com
In the present work we performed a combined experimental and computational study on the
interaction of the natural antimalarial endoperoxide plakortin and its synthetic analogue 4a …