Hydrogen Gas Protects Brain from Sepsis Damage in Mice Study
Hydrogen Gas Alleviates Sepsis-Induced Brain Injury by Improving Mitochondrial Biogenesis Through the Activation of PGC-α in Mice
Research hubs: Brain & Nervous System · Immune System
This research was done in animals. Results in animals often don't carry over to people.

- Evidence type
- Animal study (mouse)
- Authors
- Ke-Liang Xie, Yaoqi Wang, Lijun Yin, Yuzun Wang, Hongguang Chen, Xing Mao, Guo-Lin Wang
- Journal
- Shock
- Year
- 2020
- PMID
- 32590694
- Study Type
- Mouse
- Delivery
- Gas
- Dose
- 2% H2 inhalation for 1 h at 1 h and 6 h after operation
- H₂ concentration
- 2% H2 gas
- Duration
- 1 weeks
- Outcome
- Positive
- Peer Reviewed
- Yes
- Cited by
- 48 (OpenAlex, as of November 2026)
- Country
- China
TL;DR
Hydrogen gas treatment helps mice recover from sepsis-related brain damage by boosting the function and creation of energy-producing cell parts called mitochondria.
Key Finding
Hydrogen gas therapy improved survival rates and cognitive function in septic mice by enhancing mitochondrial energy production through activation of PGC-1α, a key regulator of mitochondrial health.
Summary
This study investigated whether hydrogen gas could help protect the brains of mice with sepsis (a life-threatening infection). Researchers found that mice receiving hydrogen gas inhalation had better survival rates, improved memory and thinking ability, and healthier brain cells compared to untreated mice. The protective effect appeared to work by helping mitochondria (the energy-producing structures inside cells) function better through activation of a protein called PGC-1α.
Practical Takeaway
While this early research in mice suggests hydrogen gas may help protect brain function during severe infection, it is not yet clear whether these results would apply to humans. This is a preliminary animal study, so much more research—including human trials—would be needed before hydrogen gas could be considered a treatment for sepsis-related brain injury.
Abstract (excerpt)
Sepsis-associated encephalopathy (SAE) affects approximately one-third of septic patients, and there is a lack of effective therapeutics for SAE. Hydrogen gas is a new medical gas that exerts anti-inflammation, antioxidation, and anti-apoptotic effects and can effectively protect septic mice…