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DNA Methylation Bisubstrate Inhibitors Are Fast-Acting Drugs Active against Artemisinin-Resistant Plasmodium falciparum Parasites
Abstract : Malaria is the deadliest parasitic disease affecting over 200 million people worldwide. The increasing number of treatment failures due to multi-drug-resistant parasites in SouthEast Asia hinders the efforts for elimination. It is thus urgent to develop new antimalarials to contain these resistant parasites. Based on a previous report showing the presence of DNA methylation in Plasmodium, we generated new types of DNA methylation inhibitors against malaria parasites. The quinoline−quinazoline-based inhibitors kill parasites, including artemisinin-resistant field isolates adapted to culture, in the low nanomolar range. The compounds target all stages of the asexual cycle, including early rings, during a 6 h treatment period; they reduce DNA methylation in the parasite and show in vivo activity at 10 mg/kg. These potent inhibitors are a new starting point to develop fast-acting antimalarials that could be used in combination with artemisinins.
Littérature citée [26 références]
https://hal.univ-angers.fr/hal-02571983
Contributeur : Salah MECHERI Connectez-vous pour contacter le contributeur
Soumis le : mercredi 13 mai 2020 - 12:33:17
Dernière modification le : vendredi 5 août 2022 - 11:54:58
Contributeur : Salah MECHERI Connectez-vous pour contacter le contributeur
Soumis le : mercredi 13 mai 2020 - 12:33:17
Dernière modification le : vendredi 5 août 2022 - 11:54:58
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