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PMID:24455739
| Citation |
Ren, DY, Li, C, Qin, YQ, Yin, RL, Du, SW, Ye, F, Liu, HF, Wang, MP, Sun, Y, Li, X, Tian, MY and Jin, NY (2013) Lactobacilli Reduce Chemokine IL-8 Production in Response to TNF- α and Salmonella Challenge of Caco-2 Cells. Biomed Res Int 2013:925219 |
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| Abstract |
The probiotic properties of two selected lactobacilli strains were assessed. L. salivarius and L. plantarum displayed higher hydrophobicity (48% and 54%, resp.) and coaggregation ability with four pathogens (from 7.9% to 57.5%). L. salivarius and L. plantarum had good inhibitory effects on S. aureus (38.2% and 49.5%, resp.) attachment to Caco-2 cells. Live lactobacilli strains and their conditioned media effectively inhibited IL-8 production (<14.6 pg/mL) in TNF- α -induced Caco-2 cells. Antibiotic-treated and the sonicated lactobacilli also maintained inhibitory effects (IL-8 production from 5.0 to 36.3 pg/mL); however, the heat-treated lactobacilli lost their inhibitory effects (IL-8 production from 130.2 to 161.0 pg/mL). These results suggest that both the structural components and the soluble cellular content of lactobacilli have anti-inflammatory effects. We also found that pretreatment of Caco-2 cells with lactobacilli inhibited S. typhimurium-induced IL-8 production (<27.3 pg/mL). However, lactobacilli did not inhibit IL-8 production in Caco-2 cells pretreated with S. typhimurium. These results suggest that the tested lactobacilli strains are appropriate for preventing inflammatory diseases caused by enteric pathogens but not for therapy. In short, L. salivarius and L. plantarum are potential candidates for the development of microbial ecological agents and functional foods. |
| Links |
PubMed Online version:10.1155/2013/925219 |
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Significance
Annotations
| Gene product | Qualifier | GO Term | Evidence Code | with/from | Aspect | Extension | Notes | Status |
|---|---|---|---|---|---|---|---|---|
| GO:0005153: interleukin-8 receptor binding |
ECO:0000314: |
F |
Figure 3 shows that IL-8 production is directly associated with TNF-alpha concentrations |
complete | ||||
See also
References
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