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Volume 20, Issue 10
  • ISSN: 1573-4064
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Abstract

Background

Chagas disease, a condition caused by , is an endemic disease in Latin American countries that affects approximately eight million people worldwide. It is a continuing public health problem. As nifurtimox and benznidazole are the two pharmacological treatments currently used to treat it, the present research proposes new therapeutic alternatives. Previous studies conducted on naphthoquinone derivatives have found interesting trypanocidal effects on epimastigotes, with the molecules 2-phenoxy-1,4-naphthoquinone (IC= 50 nM and SI < 250) and 2-(3-nitrophenoxy)-naphthalene-1,4-dione (IC= 20 nM and SI=625) presenting the best biological activity.

Methods

The present study evaluated the efficacy of , and models of two aryloxyquinones, 2-phenoxy-1,4-naphthoquinone () and 2-(3-nitrophenoxy)-naphthalene-1,4-dione (), against two Mexican strains in both their epimastigote and blood Trypomastigote stage. Both compounds were evaluated against using a mouse model (CD1) infected with Mexican isolates of , nifurtimox and benznidazole used as control drugs. Finally, the cytotoxicity of the two compounds against the J774.2 mouse macrophage cell line was also determined.

Results

The and results obtained indicated that both quinones were more active than the reference drugs. Compound presents activity, showing up to 40% parasite reduction after 8 h of administration, a finding which is 1.25 times more effective than the results obtained using nifurtimox.

Conclusion

These are encouraging results for proposing new naphthoquinone derivatives with potential anti- activity.

© 2024 Bentham Science Publishers
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2024-12-01
2024-11-22

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/content/journals/mc/10.2174/0115734064287956240426110450
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In vitro and In vivo Biological Activity of Two Aryloxy-naphthoquinones in Mice Infected with Trypanosoma cruzi Strains
Medicinal Chemistry 20, 938 (2024); https://doi.org/10.2174/0115734064287956240426110450
/content/journals/mc/10.2174/0115734064287956240426110450
/content/journals/mc/10.2174/0115734064287956240426110450
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  • Article Type:     Research Article
Keyword(s): aryloxy-naphthoquinones; in vivo assay; mouse model; naphthoquinone derivatives; Trypanosoma cruzi; trypanosomicidal activity

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