Antigenicity of cystatin-binding proteins from parasitic protozoan. Detection by a proteinase inhibitor based capture immunoassay (PINC-ELISA)
Autor(a) principal: | |
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Data de Publicação: | 1995 |
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/22856 |
Resumo: | Barral, Aldina Maria Prado. “Documento produzido em parceria ou por autor vinculado à Fiocruz, mas não consta à informação no documento”. |
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Scharfstein, JulioAbrahamson, M.Souza, Clarissa Beatriz Palatnik deBarral, Aldina Maria PradoSilva, I. V.2017-10-17T18:09:11Z2017-10-17T18:09:11Z1995SCHARFSTEIN, J. et al. Antigenicity of cystatin-binding proteins from parasitic protozoan. Detection by a proteinase inhibitor based capture immunoassay (PINC-ELISA). Journal of Immunological Methods, v. 182, p. 63-72, 1995.0022-1759https://www.arca.fiocruz.br/handle/icict/22856Barral, Aldina Maria Prado. “Documento produzido em parceria ou por autor vinculado à Fiocruz, mas não consta à informação no documento”.European Community (EEC), FINEP, CNPq, and CEPG-UFRJ.Instituto de Biofísica Carlos Chagas Filho. Laboratory of Molecular Immunology. Rio de Janeiro, RJ, Brasil.University of Lund. Department of Clinical Chemistry. Lund, Sweden.Universidade Federal do Rio de Janeiro. Instituto de Microbiologia. Rio de Janeiro, RJ, Brasil.Universidade Federal da Bahia. Hospital Universitario Edgard Santos. Serviço de Imunologia. Salvador, BA, Brasil.Instituto de Biofísica Carlos Chagas Filho. Laboratory of Molecular Immunology. Rio de Janeiro, RJ, Brasil.A novel immunoassay (PINC-ELISA) was designed using proteinase inhibitors of the cystatin superfamily (PINC) in the solid phase, to promote the selective capture of cysteine proteinases. The method was applied in the identification of papain-like antigens from parasitic protozoa. PINC of human origin, namely recombinant cystatin C (r-cystatin C) or low molecular weight kininogen were used in the assays to adsorb proteases contained in cell lysates from various trypanosomatids. The PINC-ELISA was at first optimized with the major cysteine proteinase from Trypanosoma cruzi (known as GP57/51 or cruzipain), an antigen whose serodiagnostic properties were previously established. Cruzipain is selectively adsorbed from crude extracts of T. cruzi onto PINC-coated wells; the finding that antibodies bind to epitopes located away from the sites of interaction with r-cystatin or low molecular weight kininogen has allowed for the screening of antibodies in chagasic sera, the methodology being advantageous in that it dispensed prior purification of the proteinase antigen. The PINC-ELISA was then carried out with lysates originating from Leishmania m. amazonensis (amastigotes) or Leishmania donovani (promastigotes). Complexes between solid-phase r-cystatin C and antigenic ligands in the lysates were again detected. The Leishmania molecules which bound to r-cystatin C, were respectively recognized by serum antibodies from mice chronically infected with L. amazonensis or from patients with visceral leishmaniasis. Direct evidence for the presence of cysteine proteinases in lysates from L. donovani was then obtained, using synthetic fluorogenic substrates.(ABSTRACT TRUNCATED AT 250 WORDS)engElsevierTrypanosoma cruziLeishmaniaAnticorpos monoclonaisTestes de precipitinaAnimaisRatosTrypanosoma cruziLeishmaniaAntibodies, MonoclonalPrecipitin TestsAnimalsMiceAntigenicity of cystatin-binding proteins from parasitic protozoan. Detection by a proteinase inhibitor based capture immunoassay (PINC-ELISA)info: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; charset=utf-82991https://www.arca.fiocruz.br/bitstream/icict/22856/1/license.txt5a560609d32a3863062d77ff32785d58MD51ORIGINALScharfstein J Antigenicity....pdfScharfstein J Antigenicity....pdfapplication/pdf999028https://www.arca.fiocruz.br/bitstream/icict/22856/2/Scharfstein%20J%20Antigenicity....pdf0517c0b32a8bbb053e47114885149a4dMD52TEXTScharfstein J Antigenicity....pdf.txtScharfstein J Antigenicity....pdf.txtExtracted texttext/plain36678https://www.arca.fiocruz.br/bitstream/icict/22856/3/Scharfstein%20J%20Antigenicity....pdf.txt936174a0f200ce73de9f1ee3af12e1ebMD53icict/228562023-03-15 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dc.title.pt_BR.fl_str_mv |
Antigenicity of cystatin-binding proteins from parasitic protozoan. Detection by a proteinase inhibitor based capture immunoassay (PINC-ELISA) |
title |
Antigenicity of cystatin-binding proteins from parasitic protozoan. Detection by a proteinase inhibitor based capture immunoassay (PINC-ELISA) |
spellingShingle |
Antigenicity of cystatin-binding proteins from parasitic protozoan. Detection by a proteinase inhibitor based capture immunoassay (PINC-ELISA) Scharfstein, Julio Trypanosoma cruzi Leishmania Anticorpos monoclonais Testes de precipitina Animais Ratos Trypanosoma cruzi Leishmania Antibodies, Monoclonal Precipitin Tests Animals Mice |
title_short |
Antigenicity of cystatin-binding proteins from parasitic protozoan. Detection by a proteinase inhibitor based capture immunoassay (PINC-ELISA) |
title_full |
Antigenicity of cystatin-binding proteins from parasitic protozoan. Detection by a proteinase inhibitor based capture immunoassay (PINC-ELISA) |
title_fullStr |
Antigenicity of cystatin-binding proteins from parasitic protozoan. Detection by a proteinase inhibitor based capture immunoassay (PINC-ELISA) |
title_full_unstemmed |
Antigenicity of cystatin-binding proteins from parasitic protozoan. Detection by a proteinase inhibitor based capture immunoassay (PINC-ELISA) |
title_sort |
Antigenicity of cystatin-binding proteins from parasitic protozoan. Detection by a proteinase inhibitor based capture immunoassay (PINC-ELISA) |
author |
Scharfstein, Julio |
author_facet |
Scharfstein, Julio Abrahamson, M. Souza, Clarissa Beatriz Palatnik de Barral, Aldina Maria Prado Silva, I. V. |
author_role |
author |
author2 |
Abrahamson, M. Souza, Clarissa Beatriz Palatnik de Barral, Aldina Maria Prado Silva, I. V. |
author2_role |
author author author author |
dc.contributor.author.fl_str_mv |
Scharfstein, Julio Abrahamson, M. Souza, Clarissa Beatriz Palatnik de Barral, Aldina Maria Prado Silva, I. V. |
dc.subject.other.pt_BR.fl_str_mv |
Trypanosoma cruzi Leishmania Anticorpos monoclonais Testes de precipitina Animais Ratos |
topic |
Trypanosoma cruzi Leishmania Anticorpos monoclonais Testes de precipitina Animais Ratos Trypanosoma cruzi Leishmania Antibodies, Monoclonal Precipitin Tests Animals Mice |
dc.subject.en.pt_BR.fl_str_mv |
Trypanosoma cruzi Leishmania Antibodies, Monoclonal Precipitin Tests Animals Mice |
description |
Barral, Aldina Maria Prado. “Documento produzido em parceria ou por autor vinculado à Fiocruz, mas não consta à informação no documento”. |
publishDate |
1995 |
dc.date.issued.fl_str_mv |
1995 |
dc.date.accessioned.fl_str_mv |
2017-10-17T18:09:11Z |
dc.date.available.fl_str_mv |
2017-10-17T18:09:11Z |
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 |
SCHARFSTEIN, J. et al. Antigenicity of cystatin-binding proteins from parasitic protozoan. Detection by a proteinase inhibitor based capture immunoassay (PINC-ELISA). Journal of Immunological Methods, v. 182, p. 63-72, 1995. |
dc.identifier.uri.fl_str_mv |
https://www.arca.fiocruz.br/handle/icict/22856 |
dc.identifier.issn.pt_BR.fl_str_mv |
0022-1759 |
identifier_str_mv |
SCHARFSTEIN, J. et al. Antigenicity of cystatin-binding proteins from parasitic protozoan. Detection by a proteinase inhibitor based capture immunoassay (PINC-ELISA). Journal of Immunological Methods, v. 182, p. 63-72, 1995. 0022-1759 |
url |
https://www.arca.fiocruz.br/handle/icict/22856 |
dc.language.iso.fl_str_mv |
eng |
language |
eng |
dc.rights.driver.fl_str_mv |
info:eu-repo/semantics/openAccess |
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openAccess |
dc.publisher.none.fl_str_mv |
Elsevier |
publisher.none.fl_str_mv |
Elsevier |
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reponame:Repositório Institucional da FIOCRUZ (ARCA) instname:Fundação Oswaldo Cruz (FIOCRUZ) instacron:FIOCRUZ |
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FIOCRUZ |
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Repositório Institucional da FIOCRUZ (ARCA) |
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