In vitro antileishmanial activity of fluoro-artemisinin derivatives against Leishmania donovani - 20/08/08


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Abstract |
The antileishmanial activity of 19 fluoro-artemisinin derivatives was evaluated in vitro against the promastigote forms of Leishmania donovani. The most active compound BB 201, an amino derivative, exhibited an IC50 at about 1μM and no cross-resistance was found on miltefosine-resistant and sitamaquine-resistant lines. Despite these promising data, no activity was observed on intramacrophage amastigote stage. Although the membranes that have to be crossed by the compounds and pH conditions between intraerythrocyte Plasmodium and intramacrophage Leishmania have similarities, the targets affected by artemisinin derivatives in promastigotes could be differentially expressed in amastigotes.
Le texte complet de cet article est disponible en PDF.Keywords : Fluoro-artemisinin, In vitro antileishmanial activity, Leishmania donovani
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Vol 62 - N° 7
P. 462-465 - septembre 2008 Retour au numéroBienvenue sur EM-consulte, la référence des professionnels de santé.
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