How S100B Helps Control Inflammation During Fungal Infections
Author Information
Author(s): Sorci Guglielmo, Giovannini Gloria, Riuzzi Francesca, Bonifazi Pierluigi, Zelante Teresa, Zagarella Silvia, Bistoni Francesco, Donato Rosario, Romani Luigina
Primary Institution: Department of Experimental Medicine and Biochemical Sciences, University of Perugia, Perugia, Italy
Hypothesis
Does the danger molecule S100B integrate pathogen- and danger-sensing pathways to regulate inflammation?
Conclusion
S100B plays a crucial role in managing inflammation during Aspergillus fumigatus infections by integrating signals from both pathogens and danger signals.
Supporting Evidence
- S100B was induced during infection and helped to control inflammation.
- RAGE-deficient mice showed increased inflammation and fungal growth.
- S100B interacts with TLR2 and RAGE to modulate immune responses.
- Nanomolar doses of S100B inhibited TLR2-mediated inflammation.
- High doses of S100B led to increased inflammation.
- S100B binds to nucleic acids, activating intracellular TLRs.
- TLR3 and TLR9 signaling pathways downregulate S100B expression.
Takeaway
S100B is like a traffic cop for inflammation, helping to keep things calm when our body fights off fungal infections.
Methodology
The study used mouse models to analyze the role of S100B in regulating inflammation during Aspergillus fumigatus infections through various assays including gene expression analysis and immunohistochemistry.
Limitations
The study primarily used mouse models, which may not fully replicate human responses to fungal infections.
Participant Demographics
The study involved female C57BL6 mice and various genetically modified mouse strains.
Statistical Information
P-Value
p<0.05
Statistical Significance
p<0.05
Digital Object Identifier (DOI)
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