Connexin 43 and Pannexin 1 hemichannels as endogenous regulators of innate immunity in sepsis
2024

How Connexin 43 and Pannexin 1 Affect the Immune Response in Sepsis

publication Evidence: moderate

Author Information

Author(s): Li Jianhua, Lou Li, Chen Weiqiang, Qiang Xiaoling, Zhu Cassie, Wang Haichao

Primary Institution: The Feinstein Institutes for Medical Research, Northwell Health

Hypothesis

Hemichannel molecules like Connexin 43 and Pannexin 1 play critical roles as endogenous regulators of innate immunity in sepsis.

Conclusion

Connexin 43 and Pannexin 1 hemichannels are important for regulating the immune response during sepsis by mediating ATP release and other inflammatory signals.

Supporting Evidence

  • Previous studies have shown that high mobility group box 1 (HMGB1) is released by macrophages and plays a role in sepsis.
  • Inflammatory stimuli can induce the expression of Connexin 43 and Pannexin 1 in macrophages.
  • Blocking hemichannels can reduce inflammation and improve survival in sepsis models.

Takeaway

This study shows that two proteins, Connexin 43 and Pannexin 1, help our body's immune system respond to infections like sepsis by controlling the release of important signals.

Digital Object Identifier (DOI)

10.3389/fimmu.2024.1523306

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