Hydrogen Gas Helps Immune Cells Fight Asthma in Mice Study

Authors
Journal
International Immunopharmacology
Year
DOI
10.1016/j.intimp.2019.05.031
Study Type
Mouse
Outcome
Positive
Peer Reviewed
Yes
Country
China
Health Condition
Asthma
Body System
Respiratory

TL;DR

Breathing in hydrogen gas improved the ability of lung-cleaning cells to remove bacteria and reduced asthma symptoms in mice with asthma.

Key Finding

Hydrogen gas inhalation restored the ability of immune cells in asthmatic mice to clear bacteria from the lungs, reversing a key defect seen in asthma.

Summary

In this mouse study, researchers tested whether breathing hydrogen gas could help restore a specific immune function that is impaired in asthma. They found that mice with asthma-like symptoms had weaker immune cells (called alveolar macrophages) that were less able to clear bacteria from the lungs. When these mice breathed hydrogen gas twice daily for a week, their immune cells regained the ability to fight bacteria more effectively, and their asthma symptoms improved—likely because hydrogen reduced harmful oxidative stress (cellular damage from unstable molecules) in their lungs.

Practical Takeaway

This is an early-stage animal study suggesting hydrogen gas may help restore immune function in asthma by reducing oxidative stress. However, these results are from mice, not humans, so it is unclear whether the same benefits would occur in people with asthma. Further research in human subjects would be needed before hydrogen gas could be considered a viable asthma treatment.

Abstract (excerpt)

Background: Maintaining an airway clear of bacteria, foreign particles and apoptotic cells by alveolar macrophages is very essential for lung homeostasis. In asthma, the phagocytic capacity of alveolar macrophages is significantly reduced, which is thought to be associated with increased oxidative…

Read the full abstract via DOI