Hydrogen Gas Helps Lung Immunity in COPD Rats
- Authors
- Yiping Ma, Zhu Li, Yalei Zhao, Mo Sun, Wuzhuang Sun, Jiechao Wang
- Journal
- bioRxiv
- Year
- 2020
- DOI
- 10.1101/2020.06.29.177345
- Study Type
- Rat
- Outcome
- Positive
- Peer Reviewed
- Yes
- Country
- China
- Health Condition
- Chronic Obstructive Pulmonary Disease (COPD)
- Body System
- Respiratory
TL;DR
Breathing in hydrogen gas can help improve lung damage and immune responses in rats with a condition similar to human lung disease COPD.
Key Finding
Hydrogen gas inhalation, especially at higher concentrations (22% and 41.6%), reduced lung damage and airway remodeling in rats with COPD-like disease and increased protective immune proteins on airway surfaces.
Summary
Researchers exposed rats to cigarette smoke to create a model of chronic obstructive pulmonary disease (COPD), then had them inhale different concentrations of hydrogen gas. They found that hydrogen inhalation reduced lung damage and airway thickening, and increased levels of protective immune proteins (particularly SIgA, which helps defend airway surfaces) while reducing inflammatory markers. Higher hydrogen concentrations (22% and 41.6%) worked better than lower concentrations (2%).
Practical Takeaway
This rat study suggests hydrogen inhalation may support airway immune defense in COPD, but it is early-stage animal research only. Human studies would be needed to determine whether these findings apply to people with COPD or whether hydrogen inhalation could be a practical treatment option.
Abstract (excerpt)
Background Recently, some researchers have reported that PIgR expression is down-regulated in Chronic Obstructive Pulmonary Disease (COPD) and SIgA deficiency correlates with severity of airflow obstruction. What’ s more, some studies have demonstrated that 2 percent of hydrogen or hydrogen water…