Polyene Macrolide Antifungal Drugs Trigger IL-1β Secretion
Author Information
Author(s): Darisipudi Murthy Narayana, Allam Ramanjaneyulu, Rupanagudi Khader Valli, Anders Hans-Joachim
Primary Institution: Medizinische Poliklinik, University of Munich, Munich, Germany
Hypothesis
Do polyene macrolide antifungal drugs activate the NLRP3 inflammasome to induce IL-1β secretion?
Conclusion
Polyene macrolide antifungal drugs activate the NLRP3 inflammasome and induce IL-1β secretion in dendritic cells.
Supporting Evidence
- Amphotericin B, nystatin, and natamycin induce high levels of IL-1β secretion in dendritic cells.
- IL-1β secretion requires both the induction of pro-IL-1β and activation of caspase-1.
- NLRP3 is essential for drug-induced IL-1β release.
- Potassium efflux is a necessary step for NLRP3 activation by these antifungal drugs.
Takeaway
Some antifungal drugs can help our body's immune system fight infections by making it release a special chemical called IL-1β.
Methodology
The study involved exposing LPS-primed bone marrow-derived dendritic cells to antifungal drugs and measuring IL-1β production in cell culture supernatants.
Participant Demographics
C57BL/6 mouse bone marrow-derived dendritic cells and macrophages were used.
Statistical Information
P-Value
p<0.05
Statistical Significance
p<0.05
Digital Object Identifier (DOI)
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