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Updated: Dec 10, 2025
Dissecting Innate Immune Signaling in Viral Evasion of Cytokine Production
Published on: March 2, 2014
A mathematic model to reveal delicate cross-regulation between MAVS/STING, inflammasome and MyD88-dependent type I
Chunmei Cai1,2, Xiao Yu3,4
1Research Center for High Altitude Medicine, School of Medical, Qinghai University, Xining, China.
Abstract:
Early type I interferon is essential for antagonizing against malaria infection, which remains a significant global infectious disease. After Plasmodium yoelii YM infection, the activation of MAVS-, STING- and inflammasome-IRF3-mediated pathway could trigger the Socs1 expression to inhibit the TLR7-MyD88-IRF7-induced type I interferon production. However, the dynamic regulatory mechanisms of type I interferon response to YM infection and delicate cross-regulation of these signalling are far from clear. In current study, we established a mathematical model to systematically demonstrate that the MAVS-, STING- and inflammasome-mediated signalling pathways play distinct roles in regulating type I interferon response after YM infection; and the YM dose could significantly affect the difference of resistance to YM infection among MAVS, STING and inflammasome deficiency. Collectively, our study systematically elucidated the precise regulatory mechanisms of type I interferon signalling after YM infection and advanced the research on therapy of plasmodium infection by incorporating multiple signalling pathways at diverse time.
Insights
Type I interferon is crucial for fighting malaria. This study uses a mathematical model to show how MAVS, STING, and inflammasome pathways distinctly regulate interferon responses to Plasmodium yoelii infection.
Area of Science:
- Immunology
- Infectious Diseases
- Computational Biology
Background:
- Type I interferon is vital for controlling malaria.
- Plasmodium yoelii YM infection involves complex signaling pathways.
- The precise regulation of interferon responses during malaria is not fully understood.
Purpose of the Study:
- To elucidate the distinct roles of MAVS, STING, and inflammasome pathways in type I interferon regulation during Plasmodium yoelii YM infection.
- To investigate how parasite dose influences resistance in mice deficient in these pathways.
- To provide a comprehensive understanding of type I interferon signaling dynamics in malaria.
Main Methods:
- Development of a mathematical model to simulate signaling pathways.
- Analysis of MAVS-, STING-, and inflammasome-mediated pathways.
- In silico simulation of Plasmodium yoelii YM infection dynamics.
Main Results:
- MAVS, STING, and inflammasome pathways exhibit distinct regulatory roles in type I interferon response.
- Parasite dose significantly impacts the differential resistance observed in pathway-deficient mice.
- Socs1 expression is triggered by MAVS-, STING-, and inflammasome-IRF3 pathways, inhibiting TLR7-MyD88-IRF7-induced interferon.
Conclusions:
- The study systematically clarifies the regulatory mechanisms of type I interferon signaling post-Plasmodium yoelii YM infection.
- Mathematical modeling reveals distinct pathway contributions and dose-dependent effects.
- Findings advance therapeutic strategies for malaria by integrating multiple signaling pathways.
