Hydrogen and Oxygen Combo Protects Lungs from Injury in Mice Study
Hydrogen‐rich and hyperoxygenate saline inhibits lipopolysaccharide‐induced lung injury through mediating <scp>NF‐κB</scp>/<scp>NLRP3</scp> signaling pathway in <scp>C57BL</scp>/6 mice
Research hubs: Respiratory System · Cardiovascular System
This research was done in animals. Results in animals often don't carry over to people.
- Evidence type
- Animal study (mouse)
- Authors
- Yingying Fan, Jian Wang, Zhihui Feng, Ke Cao, Jiankang Liu, Hao Xu
- Journal
- Environmental Toxicology
- Year
- 2022
- PMID
- 35278280
- Study Type
- Mouse
- Delivery
- Gas
- Outcome
- Positive
- Peer Reviewed
- Yes
- Cited by
- 12 (OpenAlex, as of November 2026)
- Country
- China
TL;DR
Mixing hydrogen and oxygen gases provides better protection against lung injury caused by severe inflammation and low oxygen levels than either gas alone.
Key Finding
A combination of hydrogen-rich and oxygen-rich saline provided superior protection against lung injury in mice compared to either treatment alone, with hydrogen primarily reducing inflammation and cell death while oxygen addressed tissue oxygen deprivation.
Summary
Researchers tested whether a combination of hydrogen gas and extra oxygen could protect mouse lungs from injury caused by a bacterial toxin (lipopolysaccharide). They found that the combination worked better than either gas alone—hydrogen reduced inflammation and cell death, while oxygen improved oxygen levels in tissues. The protective effects appeared to work through different biological pathways.
Practical Takeaway
This early-stage mouse study suggests that combining hydrogen with supplemental oxygen may have additive protective effects for acute lung injury, but this research is preliminary and has not been tested in humans. The findings are limited to a specific type of lung injury model and would need human clinical trials before any practical applications could be considered.
Abstract (excerpt)
AbstractBackgroundBackground: Acute lung injury (ALI) is one kind of frequently occurred emergency in Intensive Care Unite with a high mortality. The underlying causes are uncontrolled inflammatory reactions and intractable hypoxemia, which are difficult to control and improve. In the past 10…