In‑vitro biological evaluation of 3,3′,5,5′‑tetramethoxy‑biphen yl‑4,4′‑diol and molecular docking studies on trypanothione reductase and Gp63 from Leishmania amazonensis demonstrated anti‑leishmania potential

Detalhes bibliográficos
Autor(a) principal: Schirmann, Jéseka G.
Data de Publicação: 2023
Outros Autores: Bortoleti, Bruna T. S., Gonçalves, Manoela D., Tomiotto‑Pellissier, Fernanda, Camargo, Priscila G., Miranda‑Sapla, Milena M., Lima, Camilo H. S., Bispo, Marcelle L. F., Costa, Idessania N., Conchon‑Costa, Ivete, Pavanelli, Wander R., Dekker, Robert F. H., Barbosa‑Dekker, Aneli M.
Tipo de documento: Artigo
Idioma: por
Título da fonte: Repositório Institucional da FIOCRUZ (ARCA)
Texto Completo: https://www.arca.fiocruz.br/handle/icict/58450
https://doi.org/10.1038/s41598-023-34124-9
Resumo: Universidade Estadual de Londrina. Centro de Ciências Exatas. Departamento de Química. Londrina, PR, Brasil.
id CRUZ_2903b971adf9bc21507295e771564388
oai_identifier_str oai:www.arca.fiocruz.br:icict/58450
network_acronym_str CRUZ
network_name_str Repositório Institucional da FIOCRUZ (ARCA)
repository_id_str 2135
spelling Schirmann, Jéseka G.Bortoleti, Bruna T. S.Gonçalves, Manoela D.Tomiotto‑Pellissier, FernandaCamargo, Priscila G.Miranda‑Sapla, Milena M.Lima, Camilo H. S.Bispo, Marcelle L. F.Costa, Idessania N.Conchon‑Costa, IvetePavanelli, Wander R.Dekker, Robert F. H.Barbosa‑Dekker, Aneli M.2023-05-16T19:47:39Z2023-05-16T19:47:39Z2023SCHIRMANN, Jéseka G. et al. In‑vitro biological evaluation of 3,3′,5,5′‑tetramethoxy‑biphenyl‑4,4′‑diol and molecular docking studies on trypanothione reductase and Gp63 from Leishmania amazonensis demonstrated anti‑leishmania potential. Scientific Reports, v. 17, p. 1-11, 2023.2045-2322https://www.arca.fiocruz.br/handle/icict/58450https://doi.org/10.1038/s41598-023-34124-9porNature ResearchIn‑vitro biological evaluation of 3,3′,5,5′‑tetramethoxy‑biphen yl‑4,4′‑diol and molecular docking studies on trypanothione reductase and Gp63 from Leishmania amazonensis demonstrated anti‑leishmania potentialinfo:eu-repo/semantics/publishedVersioninfo:eu-repo/semantics/articleUniversidade Estadual de Londrina. Centro de Ciências Exatas. Departamento de Química. Londrina, PR, Brasil.Fundação Oswaldo Cruz. Instituto Carlos Chagas. Programa de Pós-Graduação em Biociências e Biotecnologia. Curitiba, PR, Brasil. / Universidade Estadual de Londrina. Centro de Ciências Biológicas. Departamento de Ciências Patológicas. Londrina, PR, Brasil.Universidade Estadual de Londrina. Centro de Ciências Exatas. Departamento de Química. Londrina, PR, Brasil.Fundação Oswaldo Cruz. Instituto Carlos Chagas. Programa de Pós-Graduação em Biociências e Biotecnologia. Curitiba, PR, Brasil. / Universidade Estadual de Londrina. Centro de Ciências Biológicas. Departamento de Ciências Patológicas. Londrina, PR, Brasil.Universidade Estadual de Londrina. Centro de Ciências Exatas. Departamento de Química. Londrina, PR, Brasil.Universidade Estadual de Londrina. Centro de Ciências Biológicas. Departamento de Ciências Patológicas. Londrina, PR, Brasil.Universidade Federal do Rio de Janeiro. Instituto de Química. Rio de Janeiro, RJ, Brasil.Universidade Estadual de Londrina. Centro de Ciências Exatas. Departamento de Química. Londrina, PR, Brasil.Universidade Estadual de Londrina. Centro de Ciências Biológicas. Departamento de Ciências Patológicas. Londrina, PR, Brasil.Universidade Estadual de Londrina. Centro de Ciências Biológicas. Departamento de Ciências Patológicas. Londrina, PR, Brasil.Universidade Estadual de Londrina. Centro de Ciências Biológicas. Departamento de Ciências Patológicas. Londrina, PR, Brasil.Universidade Tecnológica Federal do Paraná. Programa de Pós-Graduação em Engenharia Ambiental. Londrina, PR, Brasil.Universidade Estadual de Londrina. Centro de Ciências Exatas. Departamento de Química. Londrina, PR, Brasil.Available treatments for leishmaniasis have been widely used since the 1940s but come at a high cost, variable efcacy, high toxicity, and adverse side effects. 3,3′,5,5′-Tetramethoxy-biphenyl4,4′-diol (TMBP) was synthesized through laccase-catalysis of 2,6-dimethoxyphenol and displayed antioxidant and anticancer activity, and is considered a potential drug candidate. Thus, this study aimed to evaluate the anti-leishmanial efect of TMBP against promastigote and amastigote forms of Leishmania (L.) amazonensis and investigated the mechanisms involved in parasite death. TMBP treatment inhibited the proliferation (IC50 0.62–0.86 µM) and induced the death of promastigote forms by generating reactive oxygen species and mitochondrial dysfunction. In intracellular amastigotes, TMBP reduced the percentage of infected macrophages, being 62.7 times more selective to the parasite (CC50 53.93 µM). TMBP did not hemolyze sheep erythrocytes; indicative of low cytotoxicity. Additionally, molecular docking analysis on two enzyme targets of L. amazonensis: trypanothione reductase (TR) and leishmanolysin (Gp63), suggested that the hydroxyl group could be a pharmacophoric group due to its binding afnity by hydrogen bonds with residues at the active site of both enzymes. TMBP was more selective to the Gp63 target than TR. This is the frst report that TMBP is a promising compound to act as an anti-leishmanial agent.LeishmaniasisDrug-Related Side Effects and Adverse ReactionsParasitesLeishmaniasisEfectos Colaterales y Reacciones Adversas Relacionados con MedicamentosParásitosEffets secondaires indésirables des médicamentsParasitesLeishmaniaLeishmanioseEfeitos Colaterais e Reações Adversas Relacionados a MedicamentosParasitosinfo: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/58450/1/license.txt5a560609d32a3863062d77ff32785d58MD51ORIGINAL41598_2023_Article_34124OK.pdf41598_2023_Article_34124OK.pdfapplication/pdf1903624https://www.arca.fiocruz.br/bitstream/icict/58450/2/41598_2023_Article_34124OK.pdfc8f2e9be419d34de833e6c5fa8b07cc5MD52icict/584502023-05-16 16:47:42.013oai:www.arca.fiocruz.br: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ório InstitucionalPUBhttps://www.arca.fiocruz.br/oai/requestrepositorio.arca@fiocruz.bropendoar:21352023-05-16T19:47:42Repositório Institucional da FIOCRUZ (ARCA) - Fundação Oswaldo Cruz (FIOCRUZ)false
dc.title.en_US.fl_str_mv In‑vitro biological evaluation of 3,3′,5,5′‑tetramethoxy‑biphen yl‑4,4′‑diol and molecular docking studies on trypanothione reductase and Gp63 from Leishmania amazonensis demonstrated anti‑leishmania potential
title In‑vitro biological evaluation of 3,3′,5,5′‑tetramethoxy‑biphen yl‑4,4′‑diol and molecular docking studies on trypanothione reductase and Gp63 from Leishmania amazonensis demonstrated anti‑leishmania potential
spellingShingle In‑vitro biological evaluation of 3,3′,5,5′‑tetramethoxy‑biphen yl‑4,4′‑diol and molecular docking studies on trypanothione reductase and Gp63 from Leishmania amazonensis demonstrated anti‑leishmania potential
Schirmann, Jéseka G.
Leishmaniasis
Drug-Related Side Effects and Adverse Reactions
Parasites
Leishmaniasis
Efectos Colaterales y Reacciones Adversas Relacionados con Medicamentos
Parásitos
Effets secondaires indésirables des médicaments
Parasites
Leishmania
Leishmaniose
Efeitos Colaterais e Reações Adversas Relacionados a Medicamentos
Parasitos
title_short In‑vitro biological evaluation of 3,3′,5,5′‑tetramethoxy‑biphen yl‑4,4′‑diol and molecular docking studies on trypanothione reductase and Gp63 from Leishmania amazonensis demonstrated anti‑leishmania potential
title_full In‑vitro biological evaluation of 3,3′,5,5′‑tetramethoxy‑biphen yl‑4,4′‑diol and molecular docking studies on trypanothione reductase and Gp63 from Leishmania amazonensis demonstrated anti‑leishmania potential
title_fullStr In‑vitro biological evaluation of 3,3′,5,5′‑tetramethoxy‑biphen yl‑4,4′‑diol and molecular docking studies on trypanothione reductase and Gp63 from Leishmania amazonensis demonstrated anti‑leishmania potential
title_full_unstemmed In‑vitro biological evaluation of 3,3′,5,5′‑tetramethoxy‑biphen yl‑4,4′‑diol and molecular docking studies on trypanothione reductase and Gp63 from Leishmania amazonensis demonstrated anti‑leishmania potential
title_sort In‑vitro biological evaluation of 3,3′,5,5′‑tetramethoxy‑biphen yl‑4,4′‑diol and molecular docking studies on trypanothione reductase and Gp63 from Leishmania amazonensis demonstrated anti‑leishmania potential
author Schirmann, Jéseka G.
author_facet Schirmann, Jéseka G.
Bortoleti, Bruna T. S.
Gonçalves, Manoela D.
Tomiotto‑Pellissier, Fernanda
Camargo, Priscila G.
Miranda‑Sapla, Milena M.
Lima, Camilo H. S.
Bispo, Marcelle L. F.
Costa, Idessania N.
Conchon‑Costa, Ivete
Pavanelli, Wander R.
Dekker, Robert F. H.
Barbosa‑Dekker, Aneli M.
author_role author
author2 Bortoleti, Bruna T. S.
Gonçalves, Manoela D.
Tomiotto‑Pellissier, Fernanda
Camargo, Priscila G.
Miranda‑Sapla, Milena M.
Lima, Camilo H. S.
Bispo, Marcelle L. F.
Costa, Idessania N.
Conchon‑Costa, Ivete
Pavanelli, Wander R.
Dekker, Robert F. H.
Barbosa‑Dekker, Aneli M.
author2_role author
author
author
author
author
author
author
author
author
author
author
author
dc.contributor.author.fl_str_mv Schirmann, Jéseka G.
Bortoleti, Bruna T. S.
Gonçalves, Manoela D.
Tomiotto‑Pellissier, Fernanda
Camargo, Priscila G.
Miranda‑Sapla, Milena M.
Lima, Camilo H. S.
Bispo, Marcelle L. F.
Costa, Idessania N.
Conchon‑Costa, Ivete
Pavanelli, Wander R.
Dekker, Robert F. H.
Barbosa‑Dekker, Aneli M.
dc.subject.en.en_US.fl_str_mv Leishmaniasis
Drug-Related Side Effects and Adverse Reactions
Parasites
topic Leishmaniasis
Drug-Related Side Effects and Adverse Reactions
Parasites
Leishmaniasis
Efectos Colaterales y Reacciones Adversas Relacionados con Medicamentos
Parásitos
Effets secondaires indésirables des médicaments
Parasites
Leishmania
Leishmaniose
Efeitos Colaterais e Reações Adversas Relacionados a Medicamentos
Parasitos
dc.subject.es.en_US.fl_str_mv Leishmaniasis
Efectos Colaterales y Reacciones Adversas Relacionados con Medicamentos
Parásitos
dc.subject.fr.en_US.fl_str_mv Effets secondaires indésirables des médicaments
Parasites
dc.subject.decs.en_US.fl_str_mv Leishmania
Leishmaniose
Efeitos Colaterais e Reações Adversas Relacionados a Medicamentos
Parasitos
description Universidade Estadual de Londrina. Centro de Ciências Exatas. Departamento de Química. Londrina, PR, Brasil.
publishDate 2023
dc.date.accessioned.fl_str_mv 2023-05-16T19:47:39Z
dc.date.available.fl_str_mv 2023-05-16T19:47:39Z
dc.date.issued.fl_str_mv 2023
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 SCHIRMANN, Jéseka G. et al. In‑vitro biological evaluation of 3,3′,5,5′‑tetramethoxy‑biphenyl‑4,4′‑diol and molecular docking studies on trypanothione reductase and Gp63 from Leishmania amazonensis demonstrated anti‑leishmania potential. Scientific Reports, v. 17, p. 1-11, 2023.
dc.identifier.uri.fl_str_mv https://www.arca.fiocruz.br/handle/icict/58450
dc.identifier.issn.en_US.fl_str_mv 2045-2322
dc.identifier.doi.none.fl_str_mv https://doi.org/10.1038/s41598-023-34124-9
identifier_str_mv SCHIRMANN, Jéseka G. et al. In‑vitro biological evaluation of 3,3′,5,5′‑tetramethoxy‑biphenyl‑4,4′‑diol and molecular docking studies on trypanothione reductase and Gp63 from Leishmania amazonensis demonstrated anti‑leishmania potential. Scientific Reports, v. 17, p. 1-11, 2023.
2045-2322
url https://www.arca.fiocruz.br/handle/icict/58450
https://doi.org/10.1038/s41598-023-34124-9
dc.language.iso.fl_str_mv por
language por
dc.rights.driver.fl_str_mv info:eu-repo/semantics/openAccess
eu_rights_str_mv openAccess
dc.publisher.none.fl_str_mv Nature Research
publisher.none.fl_str_mv Nature Research
dc.source.none.fl_str_mv reponame:Repositório Institucional da FIOCRUZ (ARCA)
instname:Fundação Oswaldo Cruz (FIOCRUZ)
instacron:FIOCRUZ
instname_str Fundação Oswaldo Cruz (FIOCRUZ)
instacron_str FIOCRUZ
institution FIOCRUZ
reponame_str Repositório Institucional da FIOCRUZ (ARCA)
collection Repositório Institucional da FIOCRUZ (ARCA)
bitstream.url.fl_str_mv https://www.arca.fiocruz.br/bitstream/icict/58450/1/license.txt
https://www.arca.fiocruz.br/bitstream/icict/58450/2/41598_2023_Article_34124OK.pdf
bitstream.checksum.fl_str_mv 5a560609d32a3863062d77ff32785d58
c8f2e9be419d34de833e6c5fa8b07cc5
bitstream.checksumAlgorithm.fl_str_mv MD5
MD5
repository.name.fl_str_mv Repositório Institucional da FIOCRUZ (ARCA) - Fundação Oswaldo Cruz (FIOCRUZ)
repository.mail.fl_str_mv repositorio.arca@fiocruz.br
_version_ 1798324684885852160