期刊
MICROBIAL PATHOGENESIS
卷 33, 期 5, 页码 239-249出版社
ACADEMIC PRESS LTD- ELSEVIER SCIENCE LTD
DOI: 10.1006/mpat.2002.0533
关键词
Staphylococcus aureus infection; experimental model; mouse; protein A; virulence factor
Staphylococcal protein A (SpA), a cell wall anchored protein of Staphylococcus aureus, has the ability to interact with several host components, possibly indicating a role as a virulence factor in S. aureus infections. In this study, the contribution of SpA to bacterial virulence was investigated in a murine model of S. aureus arthritis. Intravenous inoculation of S. aureus wild-type strain Newman gave rise to more severe arthritis and higher mortality than the isogenic spa mutant strain DU5873. The wild-type strain caused more in vitro spleen cell proliferation than the SpA-deficient strain. However, IL-6 and TNF-alpha levels were higher after stimulation with the spa mutant strain compared to the wild-type strain. To conclude, our results clearly indicate that SpA is a virulence factor of S. aureus in murine septic arthritis. (C) 2002 Elsevier Science Ltd. All rights reserved.
作者
我是这篇论文的作者
点击您的名字以认领此论文并将其添加到您的个人资料中。
推荐
暂无数据