Staphylococcal peptidoglycans induce arthritis.

Staphylococcal peptidoglycans induce arthritis.
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DOI:
10.1186/ar330
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发表时间:
2001
期刊:
Arthritis research
影响因子:
--
通讯作者:
Tarkowski A
Tarkowski A
中科院分区:
其他
文献类型:
--
作者:
Liu ZQ;Deng GM;Foster S;Tarkowski A

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金黄色葡萄球菌是脓毒性关节炎的重要致病菌之一。为分析葡萄球菌肽聚糖(PGN)的致关节炎特性,从S.将金黄色葡萄球菌关节内注射到小鼠关节中。结果表明,PGN将以剂量依赖性方式触发关节炎。该化合物的单次注射导致主要是巨噬细胞和多形核细胞的大量浸润,偶尔有软骨和/或骨破坏的迹象,持续至少14天。进一步的研究表明,这种情况是由后天免疫系统和先天免疫系统的综合影响介导的。我们的研究结果表明,PGN发挥了核心作用,在关节炎症触发的S。金黄色。
Staphylococcus aureus is one of the most important pathogens in septic arthritis. To analyse the arthritogenic properties of staphylococcal peptidoglycan (PGN), highly purified PGN from S. aureus was intra-articularly injected into murine joints. The results demonstrate that PGN will trigger arthritis in a dose-dependent manner. A single injection of this compound leads to massive infiltration of predominantly macrophages and polymorphonuclear cells with occasional signs of cartilage and/or bone destruction, lasting for at least 14 days. Further studies showed that this condition is mediated by the combined impact of acquired and innate immune systems. Our results indicate that PGN exerts a central role in joint inflammation triggered by S. aureus.
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发表时间: 1998-07-20
期刊: The Journal of experimental medicine
影响因子: --
作者:
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