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The inflammatory twitch as a general strategy for controlling the host response
Joshua J Pothen1, Matthew E Poynter, Jason H T Bates
1Department of Medicine, University of Vermont College of Medicine, Burlington, VT 05405, USA.
Journal of Immunology (Baltimore, Md. : 1950)
|February 22, 2013
Summary
The allergic inflammatory response may be controlled by frequency modulation, similar to a muscle twitch. This suggests chronic inflammation could arise from a failure in this self-resolving process.
Area of Science:
- Immunology
- Computational Biology
- Systems Biology
Background:
- Allergic inflammation is a crucial host-defense mechanism.
- Understanding the resolution of allergic inflammation is vital for survival.
- Current research primarily focuses on initiating inflammatory responses, not their termination.
Purpose of the Study:
- To propose and test the "inflammatory twitch hypothesis" for allergic inflammation control.
- To investigate the role of frequency modulation in regulating allergic inflammatory responses.
- To explore the potential link between failed resolution and chronic inflammatory diseases.
Main Methods:
- Development of an agent-based computational model simulating allergic inflammation in the lungs.
- Application of continual stimulation to the model to observe response patterns.
- Analysis of tissue damage, repair cycles, and periods of nonresponsiveness.
Main Results:
- Simulations demonstrated cycles of tissue damage and repair under continual stimulation.
- Periods of nonresponsiveness, akin to a refractory period, were observed.
- Findings support the concept of frequency modulation controlling inflammatory events.
Conclusions:
- The "inflammatory twitch hypothesis" provides a plausible framework for understanding allergic inflammation control.
- Allergic inflammation appears to be regulated by frequency modulation of self-resolving events.
- Chronic inflammatory diseases may result from a failure of the inflammatory "twitch" to return to baseline.
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