Hydrogen Gas Protects Lungs from Ventilator Damage in Mice Study
Hydrogen inhalation reduced epithelial apoptosis in ventilator-induced lung injury via a mechanism involving nuclear factor-kappa B activation
Research hubs: Respiratory System
- Evidence type
- Animal study (mouse)
- Authors
- Chien-Sheng Huang, Tomohiro Kawamura, Ximei Peng, Naobumi Tochigi, Norihisa Shigemura, Timothy R. Billiar, Atsunori Nakao, Yoshiya Toyoda
- Journal
- Biochemical and Biophysical Research Communications
- Year
- 2011
- DOI
- 10.1016/j.bbrc.2011.04.008
- Study Type
- Mouse
- Outcome
- Positive
- Peer Reviewed
- Yes
- Country
- United States
- Health Condition
- Ventilator-Induced Lung Injury
- Body System
- Respiratory
This research was done in animals. Results in animals often don't carry over to people.
TL;DR
Breathing in hydrogen gas can help reduce lung damage caused by ventilators, possibly by affecting a specific cell-protecting pathway in the body.
Key Finding
Inhaled hydrogen gas reduced lung damage in mechanically ventilated mice by triggering early activation of a cellular defense pathway (NFκB) that increased protective proteins and decreased inflammatory damage.
Summary
This study used mice on mechanical ventilators to test whether breathing hydrogen gas could protect lung tissue from damage. Researchers found that hydrogen gas activated a cellular defense pathway (called NFκB) that increased protective proteins and reduced harmful inflammation and cell death in the lungs. The effect was reversed when they blocked this pathway, suggesting the NFκB activation was key to hydrogen's protective effects.
Practical Takeaway
This is early research in mice showing a potential mechanism for how hydrogen gas might protect lungs during mechanical ventilation. However, these findings have not been tested in humans yet, and the study does not demonstrate that hydrogen would be effective or safe as a clinical treatment. Much more research would be needed before any conclusions could be drawn about human applications.
Abstract (excerpt)
We recently demonstrated the inhalation of hydrogen gas, a novel medical therapeutic gas, ameliorates ventilator-induced lung injury (VILI); however, the molecular mechanisms by which hydrogen ameliorates VILI remain unclear. Therefore, we investigated whether inhaled hydrogen gas modulates…