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https://hdl.handle.net/1822/29615
Título: | Pathological role of interleukin 17 in mice subjected to repeated BCG vaccination after infection with Mycobacterium tuberculosis |
Autor(es): | Cruz, Andrea Fraga, Alexandra G. Fountain, Jeffrey J. Rangel-Moreno, Javier Torrado, Egídio Saraiva, Margarida Pereira, Daniela Maria Ramos Randall, Troy D. Pedrosa, Jorge Cooper, Andrea M. Castro, António G. |
Data: | 2010 |
Editora: | The Rockefeller University Press |
Revista: | The Journal of Experimental Medicine |
Resumo(s): | Infection usually leads to the development of acquired immune responses associated with clearance or control of the infecting organism. However, if not adequately regulated, immune-mediated pathology can result. Tuberculosis is a worldwide threat, and development of an effective vaccine requires that the protective immune response to Mycobacterium tuberculosis (Mtb) be dissected from the pathological immune response. This distinction is particularly important if new vaccines are to be delivered to Mtb-exposed individuals, as repeated antigenic exposure can lead to pathological complications. Using a model wherein mice are vaccinated with bacille Calmette-Guérin after Mtb infection, we show that repeated vaccination results in increased IL-17, tumor necrosis factor, IL-6, and MIP-2 expression, influx of granulocytes/neutrophils, and lung tissue damage. This pathological response is abrogated in mice deficient in the gene encoding IL-23p19 or in the presence of IL-17-blocking antibody. This finding that repeated exposure to mycobacterial antigen promotes enhanced IL-17-dependent pathological consequences has important implications for the design of effective vaccines against Mtb. |
Tipo: | Artigo |
URI: | https://hdl.handle.net/1822/29615 |
DOI: | 10.1084/jem.20100265 |
ISSN: | 0022-1007 1540-9538 |
Versão da editora: | http://jem.rupress.org/content/207/8/1609 |
Arbitragem científica: | yes |
Acesso: | Acesso aberto |
Aparece nas coleções: | ICVS - Artigos em revistas internacionais / Papers in international journals |
Ficheiros deste registo:
Ficheiro | Descrição | Tamanho | Formato | |
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cruz a_ j exp med 2010.pdf | 2,59 MB | Adobe PDF | Ver/Abrir |