Detecção de vírus Dengue sorotipos 1 e 2 pela técnica de immunoblotting utilizando proteínas recombinantes
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Palavras-chave

Dengue
MAC-ELISA
Immunoblotting
proteínas recombinantes

Como Citar

1.
Luisa Barbosa M, Maria M. Souza-Felippe J, A. Fonseca B, N. Manson P, I. B. Ferreira I, Antonio Jerez J. Detecção de vírus Dengue sorotipos 1 e 2 pela técnica de immunoblotting utilizando proteínas recombinantes. Rev Inst Adolfo Lutz [Internet]. 30º de dezembro de 1999 [citado 29º de abril de 2024];58(2):121-7. Disponível em: https://periodicos.saude.sp.gov.br/RIAL/article/view/36704

Resumo

Os vírus dengue são patógenos que vêm afetando milhões de pessoas durante os dois últimos séculos. No presente trabalho, comparou-se a técnica tradicional de MAC-ELISA e o teste de Immunoblotting, utilizando-se proteínas recombinantes, para pesquisa de anticorpos da classe M, contra os vírus Dengue sorotipos 1 e 2. Foram testadas 100 amostras de soro de pacientes, com suspeita clínica de dengue, por MAC-ELISA e Immunoblotting. Estes soros quando submetidos ao MAC-ELISA resultaram 56 positivos para dengue e 44 negativos. Estas mesmas amostras avaliadas por Immunoblotting revelaram 56 soros negativos, 36 soros positivos para DEN-l, 6 para DEN-2 e 2 para DEN-l e 2. Proteínas recombinantes (DEN-l e DEN-2) utilizadas como antígeno em Immunoblotting possibilitam um diagnóstico diferencial dos sorotipos de dengue circulantes em determinada área, enquanto o teste de MAC-ELISA apesar de sensível e rápido não tipifica o sorotipo de dengue, dado importante durante os períodos de epidemias.

https://doi.org/10.53393/rial.1999.58.36704
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Creative Commons License
Este trabalho está licenciado sob uma licença Creative Commons Attribution 4.0 International License.

Copyright (c) 1999 Maria Luisa Barbosa, Júlia Maria M. Souza-Felippe, Benedito A. Fonseca, Peter N. Manson, Ivani I. B. Ferreira, José Antonio Jerez

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