Hydrogen Gas Protects Liver During Life-Threatening Sepsis in Mice

Authors
Journal
International Immunopharmacology
Year
DOI
10.1016/j.intimp.2019.03.021
Study Type
Mouse
Outcome
Positive
Peer Reviewed
Yes
Country
China
Health Condition
Sepsis
Body System
Hepatic

TL;DR

Inhaling hydrogen gas can help mice recover from liver damage caused by sepsis by affecting a specific cellular cleanup process.

Key Finding

Hydrogen gas inhalation (2% for 3 hours) improved survival rates and reduced liver damage markers in septic mice, with the protective effect dependent on a specific cellular pathway called FUNDC1-mediated mitophagy.

Summary

Researchers studied whether hydrogen gas could protect the liver during sepsis (a severe infection) in mice. They found that mice breathing 2% hydrogen gas for 3 hours after sepsis showed better survival rates, less liver damage, and improved liver function compared to untreated mice. The protective effect appeared to work through a cellular cleanup process called mitophagy (where cells remove damaged mitochondria, which are the energy-producing parts of cells).

Practical Takeaway

This early evidence from animal studies suggests hydrogen gas inhalation may help protect the liver during severe infections, but this is preliminary research in mice only. Human studies would be needed to determine if these results apply to people with sepsis. The specific mechanism identified (FUNDC1-dependent mitophagy) may be important for understanding how hydrogen could work therapeutically, but more research is required before any clinical applications.

Abstract (excerpt)

Sepsis-induced hepatic dysfunction is considered as an independent risk factor of multiple organ dysfunction syndrome (MODS) and death. Mitophagy, a selective form of autophagy, plays a major role in sepsis-induced organ damage. We have demonstrated that hydrogen gas (H2), a selective antioxidant…

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