Inhibition of the NF-κB Pathway in Human Intestinal Epithelial Cells by Commensal Streptococcus salivarius

被引:70
|
作者
Kaci, Ghalia [2 ]
Lakhdari, Omar [1 ]
Dore, Joel [1 ]
Ehrlich, S. Dusko [2 ]
Renault, Pierre [2 ]
Blottiere, Herve M. [1 ]
Delorme, Christine [2 ]
机构
[1] INRA, Funct Intestinal Ecosyst Grp, Micalis UMR1319, F-78352 Jouy En Josas, France
[2] INRA, Commensal & Food Bacteria Grp, Micalis UMR1319, F-78352 Jouy En Josas, France
关键词
INFLAMMATORY RESPONSES; IMMUNE-RESPONSES; BACTERIA; LACTOBACILLUS; PROBIOTICS; STRAINS;
D O I
10.1128/AEM.03021-10
中图分类号
Q81 [生物工程学(生物技术)]; Q93 [微生物学];
学科分类号
071005 ; 0836 ; 090102 ; 100705 ;
摘要
Streptococcus salivarius exhibited an anti-inflammatory effect on intestinal epithelial cells (IECs) and monocytes. Strains were screened using a reporter clone, HT-29/kB-luc-E, induced by tumor necrosis factor alpha (TNF-alpha). Supernatant from each strain downregulated NF-kappa B activation. The two most efficient strains produced an active metabolite (<3 kDa) which was able to downregulate the secretion of the proinflammatory chemokine interleukin-8 (IL-8).
引用
收藏
页码:4681 / 4684
页数:4
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