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Type: Artigo de periódico
Title: Involvement of nitric oxide on the peritoneal neutrophil influx induced by staphylococcal enterotoxin B in mouse
Author: Franco-Penteado, CF
DeSouza, I
Teixeira, S
Ribeiro-DaSilva, G
De Nucci, G
Antunes, E
Abstract: In this study, the role of nitric oxide (NO) on neutrophil migration induced by staphylococcal enterotoxin B (SEB) in the mouse peritoneal cavity was investigated. The NO synthase inhibitors L-NAME and aminoguanidine, as well as dexamethasone, markedly reduced SEE-induced neutrophil influx. In mice with an increased population of peritoneal macrophages, the inhibition of SEE-induced neutrophil influx by these agents was significantly lower. The in vivo treatment with aminoguanidine inhibited only the iNOS activity, whereas L-NAME inhibited both the cNOS and iNOS activities. In conclusion, NO modulates the neutrophil migration in response to SEE through the activity of an iNOS isoform. (C) 2001 Elsevier Science Ltd. All rights reserved.
Subject: enterotoxins
nitric oxide synthases
Country: Inglaterra
Editor: Pergamon-elsevier Science Ltd
Rights: fechado
Identifier DOI: 10.1016/S0041-0101(01)00095-2
Date Issue: 2001
Appears in Collections:Unicamp - Artigos e Outros Documentos

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