Role of divalent cations, pH, Cytoskeleton components and surface charge on the adhesion of Trycomas Vaginalis to a polystyrene substrate
Autor(a) principal: | |
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Data de Publicação: | 1987 |
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/42884 |
Resumo: | O processo de adesão de três cepas de Trichomonas vaginalis a um substrato de poliestireno foi estudado. Verificou-se que este processo depende do tempo de incubação e do pH da solução salina em que os parasitos se encontram. A maior taxa de adesão foi observada após 60 minutos de incubação a pH 6,6. A adesão é mior se Ca++ ou Mg++ for adicionado ao meio. Tratamento das células em citocalasina B, tripsina ou neuraminidase reduz a adesão enquanto tratamento com poli-L-lisina facilita esta adesão. Incubação dos parasitos ou esferas de poliestireno na presença de poli-L-lisina provoca alterações importantes na carga de superfície. |
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Silva Filho, Fernando Costa eElias, Cezar AntonioSouza, Wanderley de2020-08-22T17:45:12Z2020-08-22T17:45:12Z1987SILVA FILHO, Fernando Costa e; ELIAS, Cezar Antonio; SOUZA, Wanderley de. Role of divalent cations, pH, cytoskeleton componentes and surface charge on the adhesion of Trichomonas vaginalis to a polystyrene substrate. Memórias do Instituto Oswaldo Cruz, Rio de Janeiro, v. 82, n. 3, p. 379-384, jul./set. 1987.0074-0276https://www.arca.fiocruz.br/handle/icict/4288410.1590/S0074-027619870003000091678-8060O processo de adesão de três cepas de Trichomonas vaginalis a um substrato de poliestireno foi estudado. Verificou-se que este processo depende do tempo de incubação e do pH da solução salina em que os parasitos se encontram. A maior taxa de adesão foi observada após 60 minutos de incubação a pH 6,6. A adesão é mior se Ca++ ou Mg++ for adicionado ao meio. Tratamento das células em citocalasina B, tripsina ou neuraminidase reduz a adesão enquanto tratamento com poli-L-lisina facilita esta adesão. Incubação dos parasitos ou esferas de poliestireno na presença de poli-L-lisina provoca alterações importantes na carga de superfície.he process of adhesion of three different strains of Trichomonas vaginalis to a polystyrene substrate was analysed. The process of adhesion was dependent on the time of incubation and the pH of the phosphate-buffered solution (PBS) in which the parasites were suspended. The highest indices of adhesion were observed after an incubation time of 60 min at pH 6.6. The adhesion index increased when the parasites were incubated in the presence of culture media or when Ca++ or Mg++ was added to the PBS solution, whereas cytochalasin B, trypsin or neuraminidase reduced adhesion. Incubation of the parasites in the presence of poly-L-lysine facilitated the process of adhesion. Incubation of the parasites or polystyrene beads in the presence of poly-L-lysine led to important changes in their surface charge.Fundação Oswaldo Cruz. Instituto Oswaldo Cruz. Departamento de Protozoologia. Rio de Janeiro, RJ, Brasil.Universidade Federal do Rio de Janeiro. Instituto de Biofísica Carlos Chagas Filho. Rio de Janeiro, RJ, Brasil.Universidade Federal do Rio de Janeiro. Instituto de Biofísica Carlos Chagas Filho. Rio de Janeiro, RJ, Brasil.engFundação Oswaldo Cruz. Instituto Oswaldo Cruz.Trichomonas vaginalisAdesão celularComponentes do citoesqueletoCarga de superfícieTrichomonas vaginalisCell adhesioncytoskeletal componentsSurface chargeRole of divalent cations, pH, Cytoskeleton components and surface charge on the adhesion of Trycomas Vaginalis to a polystyrene substrateinfo: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 |
Role of divalent cations, pH, Cytoskeleton components and surface charge on the adhesion of Trycomas Vaginalis to a polystyrene substrate |
title |
Role of divalent cations, pH, Cytoskeleton components and surface charge on the adhesion of Trycomas Vaginalis to a polystyrene substrate |
spellingShingle |
Role of divalent cations, pH, Cytoskeleton components and surface charge on the adhesion of Trycomas Vaginalis to a polystyrene substrate Silva Filho, Fernando Costa e Trichomonas vaginalis Adesão celular Componentes do citoesqueleto Carga de superfície Trichomonas vaginalis Cell adhesion cytoskeletal components Surface charge |
title_short |
Role of divalent cations, pH, Cytoskeleton components and surface charge on the adhesion of Trycomas Vaginalis to a polystyrene substrate |
title_full |
Role of divalent cations, pH, Cytoskeleton components and surface charge on the adhesion of Trycomas Vaginalis to a polystyrene substrate |
title_fullStr |
Role of divalent cations, pH, Cytoskeleton components and surface charge on the adhesion of Trycomas Vaginalis to a polystyrene substrate |
title_full_unstemmed |
Role of divalent cations, pH, Cytoskeleton components and surface charge on the adhesion of Trycomas Vaginalis to a polystyrene substrate |
title_sort |
Role of divalent cations, pH, Cytoskeleton components and surface charge on the adhesion of Trycomas Vaginalis to a polystyrene substrate |
author |
Silva Filho, Fernando Costa e |
author_facet |
Silva Filho, Fernando Costa e Elias, Cezar Antonio Souza, Wanderley de |
author_role |
author |
author2 |
Elias, Cezar Antonio Souza, Wanderley de |
author2_role |
author author |
dc.contributor.author.fl_str_mv |
Silva Filho, Fernando Costa e Elias, Cezar Antonio Souza, Wanderley de |
dc.subject.other.pt_BR.fl_str_mv |
Trichomonas vaginalis Adesão celular Componentes do citoesqueleto Carga de superfície |
topic |
Trichomonas vaginalis Adesão celular Componentes do citoesqueleto Carga de superfície Trichomonas vaginalis Cell adhesion cytoskeletal components Surface charge |
dc.subject.en.pt_BR.fl_str_mv |
Trichomonas vaginalis Cell adhesion cytoskeletal components Surface charge |
description |
O processo de adesão de três cepas de Trichomonas vaginalis a um substrato de poliestireno foi estudado. Verificou-se que este processo depende do tempo de incubação e do pH da solução salina em que os parasitos se encontram. A maior taxa de adesão foi observada após 60 minutos de incubação a pH 6,6. A adesão é mior se Ca++ ou Mg++ for adicionado ao meio. Tratamento das células em citocalasina B, tripsina ou neuraminidase reduz a adesão enquanto tratamento com poli-L-lisina facilita esta adesão. Incubação dos parasitos ou esferas de poliestireno na presença de poli-L-lisina provoca alterações importantes na carga de superfície. |
publishDate |
1987 |
dc.date.issued.fl_str_mv |
1987 |
dc.date.accessioned.fl_str_mv |
2020-08-22T17:45:12Z |
dc.date.available.fl_str_mv |
2020-08-22T17:45:12Z |
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 FILHO, Fernando Costa e; ELIAS, Cezar Antonio; SOUZA, Wanderley de. Role of divalent cations, pH, cytoskeleton componentes and surface charge on the adhesion of Trichomonas vaginalis to a polystyrene substrate. Memórias do Instituto Oswaldo Cruz, Rio de Janeiro, v. 82, n. 3, p. 379-384, jul./set. 1987. |
dc.identifier.uri.fl_str_mv |
https://www.arca.fiocruz.br/handle/icict/42884 |
dc.identifier.issn.pt_BR.fl_str_mv |
0074-0276 |
dc.identifier.doi.none.fl_str_mv |
10.1590/S0074-02761987000300009 |
dc.identifier.eissn.none.fl_str_mv |
1678-8060 |
identifier_str_mv |
SILVA FILHO, Fernando Costa e; ELIAS, Cezar Antonio; SOUZA, Wanderley de. Role of divalent cations, pH, cytoskeleton componentes and surface charge on the adhesion of Trichomonas vaginalis to a polystyrene substrate. Memórias do Instituto Oswaldo Cruz, Rio de Janeiro, v. 82, n. 3, p. 379-384, jul./set. 1987. 0074-0276 10.1590/S0074-02761987000300009 1678-8060 |
url |
https://www.arca.fiocruz.br/handle/icict/42884 |
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eng |
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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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Repositório Institucional da FIOCRUZ (ARCA) |
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