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A Nature-Inspired Design Yields a New Class of Steroids Against Trypanosomatids

Overview
Journal Molecules
Publisher MDPI
Specialty Biology
Date 2019 Oct 27
PMID 31652542
Citations 8
Authors
Affiliations
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Abstract

Chagas disease and Leishmaniasis are neglected endemic protozoan diseases recognized as public health problems by the World Health Organization. These diseases affect millions of people around the world however, efficient and low-cost treatments are not available. Different steroid molecules with antimicrobial and antiparasitic activity were isolated from diverse organisms (ticks, plants, fungi). These molecules have complex structures that make de novo synthesis extremely difficult. In this work, we designed new and simpler compounds with antiparasitic potential inspired in natural steroids and synthesized a series of nineteen steroidal arylideneketones and thiazolidenehydrazines. We explored their biological activity against , and in vitro and in vivo. We also assayed their genotoxicity and acute toxicity in vitro and in mice. The best compound, a steroidal thiosemicarbazone compound (ID_ was active in vitro (IC 200 nM) and in vivo (60% infection reduction at 50 mg/kg) in and . It also has low toxicity in vitro and in vivo (LD >2000 mg/kg) and no genotoxic effects, being a promising compound for anti-trypanosomatid drug development.

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