Human serum antibody reactivity towards Paracoccidioides brasiliensis antigens treated with sodium metaperiodate

Detalhes bibliográficos
Autor(a) principal: Ferreira, Ana Paula
Data de Publicação: 2008
Outros Autores: Côrrea, Thadeu, Cunha, Rosângela, Marques, Marcos José, Montesano, Maria Angela, Souza, Maria Aparecida, Teixeira, Henrique Couto
Tipo de documento: Artigo
Idioma: eng
Título da fonte: Repositório Institucional da UFJF
Texto Completo: http://dx.doi.org/10.1590/S0037-86822008000400001
https://repositorio.ufjf.br/jspui/handle/ufjf/8682
Resumo: Neste trabalho, foi avaliado o perfil de isotipos de imunoglobulinas anti-Paracoccidioides brasiliensis em soros de pacientes com formas crônica e aguda de paracoccidiodomicoses usando antígeno total e tratado com meta-periodato. Todos os tipos de imunoglobulinas presentes nos soros de pacientes com formas aguda e crônica apresentaram alta reatividade ao antígeno total quando comparado ao tratado com meta-periodato (P < 0,05). Houve maior reatividade de IgG e IgM anti-antígeno tratado com meta-periodato em soros de pacientes com forma aguda da doença (P < 0,05), enquanto IgA foi mais reativa em soros da forma crônica (P < 0,05). Houve maior reatividade de IgG1 e IgG2 com antígeno total e tratado com meta-periodato em soros de pacientes comparados aos com outras parasitoses (P < 0,05). Além disso, IgG1 de pacientes com a forma aguda reconhecem antígenos de 19kDa, 27kDa e 31kDa por western blot. Assim, os resultados sugerem que alterações nos epitopos de antígenos de Paracoccidioides brasiliensis podem auxiliar no aprimoramento do imunodiagnóstico da paracoccidioidomicose.
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spelling 2019-01-25T12:35:39Z2019-01-242019-01-25T12:35:39Z2008414325329http://dx.doi.org/10.1590/S0037-86822008000400001https://repositorio.ufjf.br/jspui/handle/ufjf/8682Neste trabalho, foi avaliado o perfil de isotipos de imunoglobulinas anti-Paracoccidioides brasiliensis em soros de pacientes com formas crônica e aguda de paracoccidiodomicoses usando antígeno total e tratado com meta-periodato. Todos os tipos de imunoglobulinas presentes nos soros de pacientes com formas aguda e crônica apresentaram alta reatividade ao antígeno total quando comparado ao tratado com meta-periodato (P < 0,05). Houve maior reatividade de IgG e IgM anti-antígeno tratado com meta-periodato em soros de pacientes com forma aguda da doença (P < 0,05), enquanto IgA foi mais reativa em soros da forma crônica (P < 0,05). Houve maior reatividade de IgG1 e IgG2 com antígeno total e tratado com meta-periodato em soros de pacientes comparados aos com outras parasitoses (P < 0,05). Além disso, IgG1 de pacientes com a forma aguda reconhecem antígenos de 19kDa, 27kDa e 31kDa por western blot. Assim, os resultados sugerem que alterações nos epitopos de antígenos de Paracoccidioides brasiliensis podem auxiliar no aprimoramento do imunodiagnóstico da paracoccidioidomicose.In this study, we evaluated the profile of anti-Paracoccidioides brasiliensis immunoglobulin isotypes in serum from patients with the acute and chronic forms of paracoccidioidomycosis, using the whole Paracoccidioides brasiliensis antigen and the antigen treated with sodium metaperiodate. All the immunoglobulin isotypes present in the serum from patients with the acute and chronic forms of paracoccidioidomycosis presented higher reactivity towards the whole antigen than to the antigen treated with metaperiodate (P < 0.05). The reactivity of IgG and IgM to the antigen treated with metaperiodate was greater in serum from patients with the acute form of the disease (P < 0.05), while IgA was more reactive in serum from patients with the chronic form (P < 0.05). There was greater reactivity of IgG1 and IgG2 to the whole antigen and the antigen treated with metaperiodate in the serum from patients with paracoccidioidomycosis than there was in serum from patients with other parasitic infections (P < 0.05). Furthermore, IgG1 from patients with the acute form recognized the 19kDa, 27kDa and 31kDa antigens in the western blot test. Thus, the results suggest that modifications to the epitopes of Paracoccidioides brasiliensis antigens may help to improve the immunodiagnosis of paracoccidioidomycosis.eng--BrasilRevista da Sociedade Brasileira de Medicina Tropical-ParacoccidiodomicoseAntígenosMetaperiodatoDiagnósticoParacoccidioidomycosisAntigensMetaperiodateDiagnosisHuman serum antibody reactivity towards Paracoccidioides brasiliensis antigens treated with sodium metaperiodateReatividade de anticorpos de soros humanos a antígenos de Paracoccidioides brasiliensis tratados com metaperiodato sódicoinfo:eu-repo/semantics/publishedVersioninfo:eu-repo/semantics/articleFerreira, Ana PaulaCôrrea, ThadeuCunha, RosângelaMarques, Marcos JoséMontesano, Maria AngelaSouza, Maria AparecidaTeixeira, Henrique Coutoinfo:eu-repo/semantics/openAccessreponame:Repositório Institucional da UFJFinstname:Universidade Federal de Juiz de Fora (UFJF)instacron:UFJFTHUMBNAILHuman serum antibody reactivity towards.pdf.jpgHuman serum antibody reactivity towards.pdf.jpgGenerated Thumbnailimage/jpeg1664https://repositorio.ufjf.br/jspui/bitstream/ufjf/8682/4/Human%20serum%20antibody%20reactivity%20towards.pdf.jpg05bf30c69bb3ccdf7b9567695b4c94a4MD54ORIGINALHuman serum antibody reactivity towards.pdfHuman serum antibody reactivity towards.pdfapplication/pdf337466https://repositorio.ufjf.br/jspui/bitstream/ufjf/8682/1/Human%20serum%20antibody%20reactivity%20towards.pdfd33fa080b10a52e5acf54b531096ef65MD51LICENSElicense.txtlicense.txttext/plain; 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dc.title.pt_BR.fl_str_mv Human serum antibody reactivity towards Paracoccidioides brasiliensis antigens treated with sodium metaperiodate
dc.title.alternative.pt_BR.fl_str_mv Reatividade de anticorpos de soros humanos a antígenos de Paracoccidioides brasiliensis tratados com metaperiodato sódico
title Human serum antibody reactivity towards Paracoccidioides brasiliensis antigens treated with sodium metaperiodate
spellingShingle Human serum antibody reactivity towards Paracoccidioides brasiliensis antigens treated with sodium metaperiodate
Ferreira, Ana Paula
-
Paracoccidiodomicose
Antígenos
Metaperiodato
Diagnóstico
Paracoccidioidomycosis
Antigens
Metaperiodate
Diagnosis
title_short Human serum antibody reactivity towards Paracoccidioides brasiliensis antigens treated with sodium metaperiodate
title_full Human serum antibody reactivity towards Paracoccidioides brasiliensis antigens treated with sodium metaperiodate
title_fullStr Human serum antibody reactivity towards Paracoccidioides brasiliensis antigens treated with sodium metaperiodate
title_full_unstemmed Human serum antibody reactivity towards Paracoccidioides brasiliensis antigens treated with sodium metaperiodate
title_sort Human serum antibody reactivity towards Paracoccidioides brasiliensis antigens treated with sodium metaperiodate
author Ferreira, Ana Paula
author_facet Ferreira, Ana Paula
Côrrea, Thadeu
Cunha, Rosângela
Marques, Marcos José
Montesano, Maria Angela
Souza, Maria Aparecida
Teixeira, Henrique Couto
author_role author
author2 Côrrea, Thadeu
Cunha, Rosângela
Marques, Marcos José
Montesano, Maria Angela
Souza, Maria Aparecida
Teixeira, Henrique Couto
author2_role author
author
author
author
author
author
dc.contributor.author.fl_str_mv Ferreira, Ana Paula
Côrrea, Thadeu
Cunha, Rosângela
Marques, Marcos José
Montesano, Maria Angela
Souza, Maria Aparecida
Teixeira, Henrique Couto
dc.subject.cnpq.fl_str_mv -
topic -
Paracoccidiodomicose
Antígenos
Metaperiodato
Diagnóstico
Paracoccidioidomycosis
Antigens
Metaperiodate
Diagnosis
dc.subject.por.fl_str_mv Paracoccidiodomicose
Antígenos
Metaperiodato
Diagnóstico
Paracoccidioidomycosis
Antigens
Metaperiodate
Diagnosis
description Neste trabalho, foi avaliado o perfil de isotipos de imunoglobulinas anti-Paracoccidioides brasiliensis em soros de pacientes com formas crônica e aguda de paracoccidiodomicoses usando antígeno total e tratado com meta-periodato. Todos os tipos de imunoglobulinas presentes nos soros de pacientes com formas aguda e crônica apresentaram alta reatividade ao antígeno total quando comparado ao tratado com meta-periodato (P < 0,05). Houve maior reatividade de IgG e IgM anti-antígeno tratado com meta-periodato em soros de pacientes com forma aguda da doença (P < 0,05), enquanto IgA foi mais reativa em soros da forma crônica (P < 0,05). Houve maior reatividade de IgG1 e IgG2 com antígeno total e tratado com meta-periodato em soros de pacientes comparados aos com outras parasitoses (P < 0,05). Além disso, IgG1 de pacientes com a forma aguda reconhecem antígenos de 19kDa, 27kDa e 31kDa por western blot. Assim, os resultados sugerem que alterações nos epitopos de antígenos de Paracoccidioides brasiliensis podem auxiliar no aprimoramento do imunodiagnóstico da paracoccidioidomicose.
publishDate 2008
dc.date.issued.fl_str_mv 2008
dc.date.accessioned.fl_str_mv 2019-01-25T12:35:39Z
dc.date.available.fl_str_mv 2019-01-24
2019-01-25T12:35:39Z
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url http://dx.doi.org/10.1590/S0037-86822008000400001
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dc.relation.ispartof.pt_BR.fl_str_mv Revista da Sociedade Brasileira de Medicina Tropical
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