Abstract
Salmonella activates the phosphatidyl-inositol-3-kinase (PI3K)/Akt pathway in epithelial cells, but its role in inflammation has not been previously elucidated. We show here that inhibition of PI3K in T84 intestinal epithelial cells results in augmentation of Salmonella-induced interleukin-8 (IL-8) production at the level of both protein and mRNA. The mechanism of this effect appears to involve altered activation of the extracellular growth factor-regulated kinase (ERK), a molecule that is implicated in the regulation of IL-8 expression. These results identify activation of the PI3K/Akt pathway as an anti-inflammatory signal that may contribute to the establishment of Salmonella in the intestine.
| Original language | English |
|---|---|
| Pages (from-to) | 265-270 |
| Number of pages | 6 |
| Journal | FEMS Microbiology Letters |
| Volume | 243 |
| Issue number | 1 |
| DOIs | |
| State | Published - 01 02 2005 |
| Externally published | Yes |
UN SDGs
This output contributes to the following UN Sustainable Development Goals (SDGs)
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SDG 3 Good Health and Well-being
Keywords
- Inflammation
- Interleukin-8
- Salmonella
- Signal transduction
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