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Non-pathogenic commensal Escherichia coli bacteria can inhibit degranulation of mast cells
| Filename | 59. Magerl et al, Escherichia Coli bacteria,Exp Derm 2008.pdf |
| Filesize | 347,08 kB |
| Version | o.059 |
| Date added | Mai 26, 2020 |
| Downloaded | 0 times |
| Category | Original Work |
| Authors | Magerl, M., Lammel, V., Siebenhaar, F., Zuberbier, T., Metz, M., and Maurer, M. |
| Citation | Magerl, M., Lammel, V., Siebenhaar, F., Zuberbier, T., Metz, M., and Maurer, M.: Non-pathogenic commensal Escherichia coli bacteria can inhibit degranulation of mast cells. Exp. Dermatol. 2008: 17; 427-435. IF: 3.26 |
| Corresponding authors | Maurer, M. |
| DocNum | o.059 |
| DocType | |
| Edition; Page | 17; 427-435 |
| IF | 3.26 |
| Publisher | Exp. Dermatol. |
| ReleaseDate | 2008 |
Background: The mast cell’s (MC) ability to rapidly release presynthesized mediators allows it to play a critical role in the immune system’s first-line response to pathogens. Although recent research has illuminated the role of MCs in bacterial infection, little is known about how non-pathogenic bacteria influence MC responses.
Objective: To characterize the influence of non-pathogenic Escherichia coli bacteria on MCs.
Results: High concentrations of live E. coli strongly downmodulated the degranulation of murine peritoneal MCs under all activator conditions. Bacteria did not induce MC degranulation by themselves, and staining of MCs showed they were still entirely viable. Dead bacteria and bacterial supernatant had no effect on MC degranulation. Ex vivo experiments confirmed that E. coli exposure down-modulates subsequently induced MC degranulation and that this effect lasts for up to a few days after exposure.
Conclusion: Our results show that high doses of non-pathogenic E. coli bacteria can function as a strong, direct inhibitor of MC degranulation. This suggests a possible basis for future antiallergic treatment or prophylaxis with commensal bacteria, i.e. probiotics
(Last update: 12.2023)
| Number of original publications in peer-reviewed journals: | 580 |
| Number of reviews in peer-reviewed journals: | 210 |
| Number of publications (original work and reviews) in peer-reviewed journals: | 790 |
| Cumulative IF for original publications in peer-reviewed journals: | 4196.39 |
| Cumulative IF for reviews in peer-reviewed journals: | 1409.32 |
| Cumulative IF of publications (original work & reviews) in peer-reviewed journals: | 5605.71 |
| Total number of citations: 36,836, h-index: 99 (Web of Science December 2023) | 36836 |
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