Plant-derived products as anti-leishmanials which target mitochondria: a review

Background The global incidences of leishmaniasis are increasing due to changing environmental conditions and growing poverty. Leishmaniasis, caused by the Leishmania parasite, presents itself in six different clinical forms, the cutaneous and the visceral diseases being the most prevalent. While the cutaneous form causes disfigurement, the visceral form could be fatal if not treated. With no available vaccines combined with serious side effects of current medications and emerging drug resistance, it is crucial to discover new drugs whether as novel compounds or as repurposed existing pharmaceuticals. In the realm of drug development, mitochondria are recognized as important pharmacological targets due to their critical role in energy control, which, when disrupted, leads to irreversible cell damage. Certain plant-based compounds able to target the parasite mitochondrion, have been studied for their potential anti-leishmanial effects. Search results These compounds have shown promising effects in eliminating the Leishmania parasite. Artemisinin and chloroquine, two anti-malarial drugs that target mitochondria, exert strong anti-leishmanial effectiveness in both in vitro cultures and in vivo animal models. Quinolones, coumarins and quercetin are other compounds with leishmanicidal properties, which disrupt mitochondrial activity to effectively eliminate parasites in animal models of the disease and could be considered as potential drugs. Conclusions Therefore, plant-based compounds hold promise as potential candidates for anti-leishmanial drug development.

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