Synthesis and in vitro evaluation shows disquaramide compounds are a promising class of anti-leishmanial drugs
Roys, H.; Arykbayeva, A.; Friedman, S. K.; Gifford, G.; Palmer, E. R.; Rogers, A.; Tran, E. N. H.; Fry, L. G.; Weaver, A.; Bowlin, A. K.; Jones, M. D.; Eledge, M.; Boehme, K. W.; Naumiec, G. R.; Weinkopff, T.
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An increasing number of treatment failures with current pharmaceutics, as well as a lack of a vaccine, demonstrates the need to develop new treatment options for leishmaniasis. Herein, we describe the synthesis and in vitro analysis of 24 disquaramide compounds targeting the Leishmania major parasite. Of the compounds that were evaluated, six of them (13, 19, 20, 22, 24, and 26) were capable of significantly decreasing the number of parasites by up to 42% compared to the control by day four. This demonstrates that disquaramides either impair parasite replication or have leishmancidal effects. Additionally, none of the disquaramide compounds tested displayed host cell cytotoxicity. These experiments provide evidence that disquaramides have the potential to be effective anti-leishmanial therapeutics.
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