In Vitro and In Vivo Trypanosomicidal Action of Novel Arylimidamides against Trypanosoma cruzi

Detalhes bibliográficos
Autor(a) principal: Silva, F. H. Guedes da
Data de Publicação: 2016
Outros Autores: Batista, D. G. J., Meuser, M. B., Demarque, K. C., Fulco, T. O., Araújo, J. S., Silva, P. B. da, Silva, C. F. da, Patrick, D. A., Bakunova, S. M., Bakunov, S. A., Tidwell, R. R., Oliveira, G. M., Britto, C., Moreira, O. C., Soeiro, M. N. C.
Tipo de documento: Artigo
Idioma: eng
Título da fonte: Repositório Institucional da FIOCRUZ (ARCA)
Texto Completo: https://www.arca.fiocruz.br/handle/icict/16526
Resumo: Fundação Oswaldo Cruz. Instituto Oswaldo Cruz. Laboratório de Biologia Celular. Rio de Janeiro, RJ. Brasil.
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spelling Silva, F. H. Guedes daBatista, D. G. J.Meuser, M. B.Demarque, K. C.Fulco, T. O.Araújo, J. S.Silva, P. B. daSilva, C. F. daPatrick, D. A.Bakunova, S. M.Bakunov, S. A.Tidwell, R. R.Oliveira, G. M.Britto, C.Moreira, O. C.Soeiro, M. N. C.2016-12-13T16:24:20Z2016-12-13T16:24:20Z2016SILVA, F. H. Guedes da; et al. In Vitro and In Vivo Trypanosomicidal Action of Novel Arylimidamides against Trypanosoma cruzi. Antimicrobial Agents and Chemotherapy, v.60, n.4, p.2425-2434, Apr. 2016.0066-4804https://www.arca.fiocruz.br/handle/icict/1652610.1128/AAC.01667-15engAmerican Society for MicrobiologyDoença de ChagasTrypanosoma cruziArilimidamidasTratamentoChagas diseaseTrypanosoma cruziArylimidamidesTreatmentIn Vitro and In Vivo Trypanosomicidal Action of Novel Arylimidamides against Trypanosoma cruziinfo:eu-repo/semantics/publishedVersioninfo:eu-repo/semantics/articleFundação Oswaldo Cruz. Instituto Oswaldo Cruz. Laboratório de Biologia Celular. Rio de Janeiro, RJ. Brasil.Fundação Oswaldo Cruz. Instituto Oswaldo Cruz. Laboratório de Biologia Celular. Rio de Janeiro, RJ. Brasil.Fundação Oswaldo Cruz. Instituto Oswaldo Cruz. Laboratório de Biologia Celular. Rio de Janeiro, RJ. Brasil.Fundação Oswaldo Cruz. Instituto Oswaldo Cruz. Laboratório de Biologia Celular. Rio de Janeiro, RJ. Brasil.Fundação Oswaldo Cruz. Instituto Oswaldo Cruz. Laboratório de Biologia Celular. Rio de Janeiro, RJ. Brasil.Fundação Oswaldo Cruz. Instituto Oswaldo Cruz. Laboratório de Biologia Celular. Rio de Janeiro, RJ. Brasil.Fundação Oswaldo Cruz. Instituto Oswaldo Cruz. Laboratório de Biologia Celular. Rio de Janeiro, RJ. Brasil.Fundação Oswaldo Cruz. Instituto Oswaldo Cruz. Laboratório de Biologia Celular. Rio de Janeiro, RJ. Brasil.University of North Carolina. Chapel Hill, North Carolina, USA.University of North Carolina. Chapel Hill, North Carolina, USA.University of North Carolina. Chapel Hill, North Carolina, USA.University of North Carolina. Chapel Hill, North Carolina, USA.Fundação Oswaldo Cruz. Instituto Oswaldo Cruz. Laboratório de Biologia Celular. Rio de Janeiro, RJ. Brasil.Fundação Oswaldo Cruz. Instituto Oswaldo Cruz. Laboratório de Biologia Molecular e Doenças Endêmicas. Rio de Janeiro, RJ. Brasil.Fundação Oswaldo Cruz. Instituto Oswaldo Cruz. Laboratório de Biologia Molecular e Doenças Endêmicas. Rio de Janeiro, RJ. Brasil.Fundação Oswaldo Cruz. Instituto Oswaldo Cruz. Laboratório de Biologia Celular. Rio de Janeiro, RJ. Brasil.Arylimidamides (AIAs) have been shown to have considerable biological activity against intracellular pathogens, includingTrypanosoma cruzi, which causes Chagas disease. In the present study, the activities of 12 novel bis-AIAs and 2 mono-AIAs against different strains ofT. cruziin vitroandin vivowere analyzed. The most active wasm-terphenyl bis-AIA (35DAP073), which had a 50% effective concentration (EC50) of 0.5 μM for trypomastigotes (Y strain), which made it 26-fold more effective than benznidazole (Bz; 13 μM). It was also active against the Colombiana strain (EC50= 3.8 μM). Analysis of the activity against intracellular forms of the Tulahuen strain showed that this bis-AIA (EC50= 0.04 μM) was about 100-fold more active than Bz (2 μM). The trypanocidal effect was dissociated from the ability to trigger intracellular lipid bodies within host cells, detected by oil red labeling. Both an active compound (35DAP073) and an inactive compound (26SMB060) displayed similar activation profiles. Due to their high selectivity indexes, two AIAs (35DAP073 and 35DAP081) were moved toin vivostudies, but because of the results of acute toxicity assays, 35DAP081 was excluded from the subsequent tests. The findings obtained with 35DAP073 treatment of infections caused by the Y strain revealed that 2 days of therapy induced a dose-dependent action, leading to 96 to 46% reductions in the level of parasitemia. However, the administration of 10 daily doses in animals infected with the Colombiana strain resulted in toxicity, preventing longer periods of treatment. The activity of the combination of 0.5 mg/kg of body weight/day 35DAP073 with 100 mg/kg/day Bz for 10 consecutive days was then assayed. Treatment with the combination resulted in the suppression of parasitemia, the elimination of neurological toxic effects, and survival of 100% of the animals. Quantitative PCR showed a considerable reduction in the parasite load (60%) compared to that achieved with Bz or the amidine alone. Our results support further investigations of this class with the aim of developing novel alternatives for the treatment of Chagas disease.info:eu-repo/semantics/openAccessreponame:Repositório Institucional da FIOCRUZ (ARCA)instname:Fundação Oswaldo Cruz (FIOCRUZ)instacron:FIOCRUZLICENSElicense.txtlicense.txttext/plain; charset=utf-82991https://www.arca.fiocruz.br/bitstream/icict/16526/1/license.txt5a560609d32a3863062d77ff32785d58MD51ORIGINALfh_silva_etal_IOC_2016.pdffh_silva_etal_IOC_2016.pdfapplication/pdf1319361https://www.arca.fiocruz.br/bitstream/icict/16526/2/fh_silva_etal_IOC_2016.pdf98bedf9204f5b0de6b94c4bfff669171MD52TEXTfh_silva_etal_IOC_2016.pdf.txtfh_silva_etal_IOC_2016.pdf.txtExtracted texttext/plain49548https://www.arca.fiocruz.br/bitstream/icict/16526/3/fh_silva_etal_IOC_2016.pdf.txt966f95c75f5ddb7ea7912e28a5ba6a80MD53icict/165262018-08-15 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dc.title.pt_BR.fl_str_mv In Vitro and In Vivo Trypanosomicidal Action of Novel Arylimidamides against Trypanosoma cruzi
title In Vitro and In Vivo Trypanosomicidal Action of Novel Arylimidamides against Trypanosoma cruzi
spellingShingle In Vitro and In Vivo Trypanosomicidal Action of Novel Arylimidamides against Trypanosoma cruzi
Silva, F. H. Guedes da
Doença de Chagas
Trypanosoma cruzi
Arilimidamidas
Tratamento
Chagas disease
Trypanosoma cruzi
Arylimidamides
Treatment
title_short In Vitro and In Vivo Trypanosomicidal Action of Novel Arylimidamides against Trypanosoma cruzi
title_full In Vitro and In Vivo Trypanosomicidal Action of Novel Arylimidamides against Trypanosoma cruzi
title_fullStr In Vitro and In Vivo Trypanosomicidal Action of Novel Arylimidamides against Trypanosoma cruzi
title_full_unstemmed In Vitro and In Vivo Trypanosomicidal Action of Novel Arylimidamides against Trypanosoma cruzi
title_sort In Vitro and In Vivo Trypanosomicidal Action of Novel Arylimidamides against Trypanosoma cruzi
author Silva, F. H. Guedes da
author_facet Silva, F. H. Guedes da
Batista, D. G. J.
Meuser, M. B.
Demarque, K. C.
Fulco, T. O.
Araújo, J. S.
Silva, P. B. da
Silva, C. F. da
Patrick, D. A.
Bakunova, S. M.
Bakunov, S. A.
Tidwell, R. R.
Oliveira, G. M.
Britto, C.
Moreira, O. C.
Soeiro, M. N. C.
author_role author
author2 Batista, D. G. J.
Meuser, M. B.
Demarque, K. C.
Fulco, T. O.
Araújo, J. S.
Silva, P. B. da
Silva, C. F. da
Patrick, D. A.
Bakunova, S. M.
Bakunov, S. A.
Tidwell, R. R.
Oliveira, G. M.
Britto, C.
Moreira, O. C.
Soeiro, M. N. C.
author2_role author
author
author
author
author
author
author
author
author
author
author
author
author
author
author
dc.contributor.author.fl_str_mv Silva, F. H. Guedes da
Batista, D. G. J.
Meuser, M. B.
Demarque, K. C.
Fulco, T. O.
Araújo, J. S.
Silva, P. B. da
Silva, C. F. da
Patrick, D. A.
Bakunova, S. M.
Bakunov, S. A.
Tidwell, R. R.
Oliveira, G. M.
Britto, C.
Moreira, O. C.
Soeiro, M. N. C.
dc.subject.other.pt_BR.fl_str_mv Doença de Chagas
Trypanosoma cruzi
Arilimidamidas
Tratamento
topic Doença de Chagas
Trypanosoma cruzi
Arilimidamidas
Tratamento
Chagas disease
Trypanosoma cruzi
Arylimidamides
Treatment
dc.subject.en.pt_BR.fl_str_mv Chagas disease
Trypanosoma cruzi
Arylimidamides
Treatment
description Fundação Oswaldo Cruz. Instituto Oswaldo Cruz. Laboratório de Biologia Celular. Rio de Janeiro, RJ. Brasil.
publishDate 2016
dc.date.accessioned.fl_str_mv 2016-12-13T16:24:20Z
dc.date.available.fl_str_mv 2016-12-13T16:24:20Z
dc.date.issued.fl_str_mv 2016
dc.type.status.fl_str_mv info:eu-repo/semantics/publishedVersion
dc.type.driver.fl_str_mv info:eu-repo/semantics/article
format article
status_str publishedVersion
dc.identifier.citation.fl_str_mv SILVA, F. H. Guedes da; et al. In Vitro and In Vivo Trypanosomicidal Action of Novel Arylimidamides against Trypanosoma cruzi. Antimicrobial Agents and Chemotherapy, v.60, n.4, p.2425-2434, Apr. 2016.
dc.identifier.uri.fl_str_mv https://www.arca.fiocruz.br/handle/icict/16526
dc.identifier.issn.pt_BR.fl_str_mv 0066-4804
dc.identifier.doi.none.fl_str_mv 10.1128/AAC.01667-15
identifier_str_mv SILVA, F. H. Guedes da; et al. In Vitro and In Vivo Trypanosomicidal Action of Novel Arylimidamides against Trypanosoma cruzi. Antimicrobial Agents and Chemotherapy, v.60, n.4, p.2425-2434, Apr. 2016.
0066-4804
10.1128/AAC.01667-15
url https://www.arca.fiocruz.br/handle/icict/16526
dc.language.iso.fl_str_mv eng
language eng
dc.rights.driver.fl_str_mv info:eu-repo/semantics/openAccess
eu_rights_str_mv openAccess
dc.publisher.none.fl_str_mv American Society for Microbiology
publisher.none.fl_str_mv American Society for Microbiology
dc.source.none.fl_str_mv reponame:Repositório Institucional da FIOCRUZ (ARCA)
instname:Fundação Oswaldo Cruz (FIOCRUZ)
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collection Repositório Institucional da FIOCRUZ (ARCA)
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