Leishmania mexicana amazonensis: heterogeneity in 5'-nucleotidase and peroxidase activities of mononuclear phagocytes during in vivo and in vitro infection
Autor(a) principal: | |
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Data de Publicação: | 1988 |
Outros Autores: | , |
Tipo de documento: | Artigo |
Idioma: | eng |
Título da fonte: | Repositório Institucional da FIOCRUZ (ARCA) |
Texto Completo: | https://www.arca.fiocruz.br/handle/icict/36992 |
Resumo: | Um estudo sobre o grau de maturação das células do Sistema Fagocítico Mononuclear foi realizado durante a infecção in vivo e in vitro com a Leishmania mexicana amazonensis. A caracterização da diferenciação das células fagocíticas foi obtida com a localização ultraestrutural de dois marcadores enzimáticos bam conhecidos: a enzima 5'-Nucleotidase marcadora de membrana plasmática de células maduras e a enzima peroxidase, presente em grânulos, marcadora de células imaturas. A atividade da enzima 5'-Nucleotidase foi encontrada apenas em alguns macrófagos, presentes no foco inflamatório, em projeções da membrana plasmática e em algumas vesículas citoplasmáticas. Macrófagos peritoneais de camundongo apresentaram a mesma reatividade para este marcador. Contudo a análise da atividade peroxidásica demonstrou a predominância da presença de fagócitos mononucleares imaturos nas lesões crônicas induzidas neste sistema por Leishmania mexicana amazonensis. |
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Côrte-Real, SuzanaGrimaldi Juńior, GabrielMeirelles, Maria de Nazareth Leal de2019-11-12T12:16:13Z2019-11-12T12:16:13Z1988CÔRTE-REAL, Suzana et al. Leishmania mexicana amazonensis: heterogeneity in 5-nucleotidase and peroxidase activities of mononuclear phagocytes during in vivo and in vitro infection. Memórias do Instituto Oswaldo Cruz, Rio de Janeiro, v. 83, n. 1, p. 113-121, Jan./Mar. 1988.0074-0276https://www.arca.fiocruz.br/handle/icict/3699210.1590/s0074-027619880001000151678-8060Um estudo sobre o grau de maturação das células do Sistema Fagocítico Mononuclear foi realizado durante a infecção in vivo e in vitro com a Leishmania mexicana amazonensis. A caracterização da diferenciação das células fagocíticas foi obtida com a localização ultraestrutural de dois marcadores enzimáticos bam conhecidos: a enzima 5'-Nucleotidase marcadora de membrana plasmática de células maduras e a enzima peroxidase, presente em grânulos, marcadora de células imaturas. A atividade da enzima 5'-Nucleotidase foi encontrada apenas em alguns macrófagos, presentes no foco inflamatório, em projeções da membrana plasmática e em algumas vesículas citoplasmáticas. Macrófagos peritoneais de camundongo apresentaram a mesma reatividade para este marcador. Contudo a análise da atividade peroxidásica demonstrou a predominância da presença de fagócitos mononucleares imaturos nas lesões crônicas induzidas neste sistema por Leishmania mexicana amazonensis.The degree of maturation of cells of the Mononuclear Phagocyte System (MPS), during in vivo and in vitro infection by Leishmania mexicana amazonensis, was evaluated in this study. The macrophages' differentiation was assayed by cytochemical characterization at the ultrastructural level, using two well-established markers: 5'-nucleotidase enzyme activity, for revealing the mature cells; and the peroxidase activity present in the cell granules to demonstrate immature mononuclear phagocytes. Only a few macrophages, demonstrating 5'-nucleotidase positive reaction in both the plasma membrane and within their cytoplasmic vesicles, were found scattered in the chronic inflammation at the L. m. amazonensis lesions in albino mice. However, by the peroxidase activity analysis, we were also able to demonstrate the presence of immature MPS cells, which predominate, together with parasitized vacuolated macrophages, in chronic lesions induced in this system by L. m. amazonensis. The implications of these results on the pathogenesis of murine cutaneous leishmaniasis are discussed.Fundação Oswaldo Cruz. Instituto Oswaldo Cruz. Departamento de Ultraestrutura e Biologia Celular. Rio de Janeiro, RJ, Brasil.Fundação Oswaldo Cruz. Instituto Oswaldo Cruz. Departamento de Imunologia. Rio de Janeiro, RJ, Brasil.Fundação Oswaldo Cruz. Instituto Oswaldo Cruz. Departamento de Ultraestrutura e Biologia Celular. Rio de Janeiro, RJ, Brasil.engFundação Oswaldo Cruz. Instituto Oswaldo CruzLeishmania mexicana amazonensis (L. m. amazonensis)Fagócito mononuclear imaturoMacrófago maturoMacrófago peritonealLesões cutâneas5'Nucleotidase (E. C. 3. 1. 3. 5)Peroxidase (E. C. 1. 11. 1. 7)Leishmania mexicana amazonensis (L. m. amazonensis)Peroxidase (E. C. 1. 11. 1. 7)5'Nucleotidase (E. C. 3. 1. 3. 5)Immature mononuclear phagocyteMature macrophagesPeriotoneal macrophagesCutaneous lesionsLeishmania mexicana amazonensis: heterogeneity in 5'-nucleotidase and peroxidase activities of mononuclear phagocytes during in vivo and in vitro infectioninfo:eu-repo/semantics/publishedVersioninfo:eu-repo/semantics/articleinfo:eu-repo/semantics/openAccessreponame:Repositório Institucional da FIOCRUZ (ARCA)instname:Fundação Oswaldo Cruz (FIOCRUZ)instacron:FIOCRUZLICENSElicense.txtlicense.txttext/plain; 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dc.title.pt_BR.fl_str_mv |
Leishmania mexicana amazonensis: heterogeneity in 5'-nucleotidase and peroxidase activities of mononuclear phagocytes during in vivo and in vitro infection |
title |
Leishmania mexicana amazonensis: heterogeneity in 5'-nucleotidase and peroxidase activities of mononuclear phagocytes during in vivo and in vitro infection |
spellingShingle |
Leishmania mexicana amazonensis: heterogeneity in 5'-nucleotidase and peroxidase activities of mononuclear phagocytes during in vivo and in vitro infection Côrte-Real, Suzana Leishmania mexicana amazonensis (L. m. amazonensis) Fagócito mononuclear imaturo Macrófago maturo Macrófago peritoneal Lesões cutâneas 5'Nucleotidase (E. C. 3. 1. 3. 5) Peroxidase (E. C. 1. 11. 1. 7) Leishmania mexicana amazonensis (L. m. amazonensis) Peroxidase (E. C. 1. 11. 1. 7) 5'Nucleotidase (E. C. 3. 1. 3. 5) Immature mononuclear phagocyte Mature macrophages Periotoneal macrophages Cutaneous lesions |
title_short |
Leishmania mexicana amazonensis: heterogeneity in 5'-nucleotidase and peroxidase activities of mononuclear phagocytes during in vivo and in vitro infection |
title_full |
Leishmania mexicana amazonensis: heterogeneity in 5'-nucleotidase and peroxidase activities of mononuclear phagocytes during in vivo and in vitro infection |
title_fullStr |
Leishmania mexicana amazonensis: heterogeneity in 5'-nucleotidase and peroxidase activities of mononuclear phagocytes during in vivo and in vitro infection |
title_full_unstemmed |
Leishmania mexicana amazonensis: heterogeneity in 5'-nucleotidase and peroxidase activities of mononuclear phagocytes during in vivo and in vitro infection |
title_sort |
Leishmania mexicana amazonensis: heterogeneity in 5'-nucleotidase and peroxidase activities of mononuclear phagocytes during in vivo and in vitro infection |
author |
Côrte-Real, Suzana |
author_facet |
Côrte-Real, Suzana Grimaldi Juńior, Gabriel Meirelles, Maria de Nazareth Leal de |
author_role |
author |
author2 |
Grimaldi Juńior, Gabriel Meirelles, Maria de Nazareth Leal de |
author2_role |
author author |
dc.contributor.author.fl_str_mv |
Côrte-Real, Suzana Grimaldi Juńior, Gabriel Meirelles, Maria de Nazareth Leal de |
dc.subject.other.pt_BR.fl_str_mv |
Leishmania mexicana amazonensis (L. m. amazonensis) Fagócito mononuclear imaturo Macrófago maturo Macrófago peritoneal Lesões cutâneas 5'Nucleotidase (E. C. 3. 1. 3. 5) Peroxidase (E. C. 1. 11. 1. 7) |
topic |
Leishmania mexicana amazonensis (L. m. amazonensis) Fagócito mononuclear imaturo Macrófago maturo Macrófago peritoneal Lesões cutâneas 5'Nucleotidase (E. C. 3. 1. 3. 5) Peroxidase (E. C. 1. 11. 1. 7) Leishmania mexicana amazonensis (L. m. amazonensis) Peroxidase (E. C. 1. 11. 1. 7) 5'Nucleotidase (E. C. 3. 1. 3. 5) Immature mononuclear phagocyte Mature macrophages Periotoneal macrophages Cutaneous lesions |
dc.subject.en.pt_BR.fl_str_mv |
Leishmania mexicana amazonensis (L. m. amazonensis) Peroxidase (E. C. 1. 11. 1. 7) 5'Nucleotidase (E. C. 3. 1. 3. 5) Immature mononuclear phagocyte Mature macrophages Periotoneal macrophages Cutaneous lesions |
description |
Um estudo sobre o grau de maturação das células do Sistema Fagocítico Mononuclear foi realizado durante a infecção in vivo e in vitro com a Leishmania mexicana amazonensis. A caracterização da diferenciação das células fagocíticas foi obtida com a localização ultraestrutural de dois marcadores enzimáticos bam conhecidos: a enzima 5'-Nucleotidase marcadora de membrana plasmática de células maduras e a enzima peroxidase, presente em grânulos, marcadora de células imaturas. A atividade da enzima 5'-Nucleotidase foi encontrada apenas em alguns macrófagos, presentes no foco inflamatório, em projeções da membrana plasmática e em algumas vesículas citoplasmáticas. Macrófagos peritoneais de camundongo apresentaram a mesma reatividade para este marcador. Contudo a análise da atividade peroxidásica demonstrou a predominância da presença de fagócitos mononucleares imaturos nas lesões crônicas induzidas neste sistema por Leishmania mexicana amazonensis. |
publishDate |
1988 |
dc.date.issued.fl_str_mv |
1988 |
dc.date.accessioned.fl_str_mv |
2019-11-12T12:16:13Z |
dc.date.available.fl_str_mv |
2019-11-12T12:16:13Z |
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 |
CÔRTE-REAL, Suzana et al. Leishmania mexicana amazonensis: heterogeneity in 5-nucleotidase and peroxidase activities of mononuclear phagocytes during in vivo and in vitro infection. Memórias do Instituto Oswaldo Cruz, Rio de Janeiro, v. 83, n. 1, p. 113-121, Jan./Mar. 1988. |
dc.identifier.uri.fl_str_mv |
https://www.arca.fiocruz.br/handle/icict/36992 |
dc.identifier.issn.pt_BR.fl_str_mv |
0074-0276 |
dc.identifier.doi.none.fl_str_mv |
10.1590/s0074-02761988000100015 |
dc.identifier.eissn.none.fl_str_mv |
1678-8060 |
identifier_str_mv |
CÔRTE-REAL, Suzana et al. Leishmania mexicana amazonensis: heterogeneity in 5-nucleotidase and peroxidase activities of mononuclear phagocytes during in vivo and in vitro infection. Memórias do Instituto Oswaldo Cruz, Rio de Janeiro, v. 83, n. 1, p. 113-121, Jan./Mar. 1988. 0074-0276 10.1590/s0074-02761988000100015 1678-8060 |
url |
https://www.arca.fiocruz.br/handle/icict/36992 |
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 |
Fundação Oswaldo Cruz. Instituto Oswaldo Cruz |
publisher.none.fl_str_mv |
Fundação Oswaldo Cruz. Instituto Oswaldo Cruz |
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reponame:Repositório Institucional da FIOCRUZ (ARCA) instname:Fundação Oswaldo Cruz (FIOCRUZ) instacron:FIOCRUZ |
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