Hydrogen Saline Protects Lungs from Infection-Related Injury in Rats
Saturated hydrogen saline attenuates endotoxin-induced lung dysfunction
Research hubs: Respiratory System
This research was done in animals. Results in animals often don't carry over to people.
- Evidence type
- Animal study (rat)
- Authors
- Yan Zhang, Yiming Liu, Jin Zhang
- Journal
- Journal of Surgical Research
- Year
- 2015
- PMID
- 26004495
- Study Type
- Rat
- Participants
- 64
- Delivery
- Saline (Dissolved)
- Outcome
- Positive
- Peer Reviewed
- Yes
- Cited by
- 34 (OpenAlex, as of November 2026)
- Country
- China
TL;DR
Breathing in a saline solution saturated with hydrogen gas can reduce lung damage and improve survival in rats exposed to harmful bacterial components.
Key Finding
In rats with LPS-induced lung injury, saturated hydrogen saline prolonged survival time and reduced lung dysfunction by suppressing inflammation, oxidative stress, and excessive autophagy (a cellular self-destruction process).
Summary
Researchers gave rats a solution containing dissolved hydrogen (saturated hydrogen saline) before exposing them to a bacterial toxin (LPS) that causes lung injury. Rats treated with hydrogen saline survived longer and had less lung damage than untreated rats. The hydrogen saline reduced inflammatory markers (proteins that signal inflammation), decreased harmful molecules called free radicals, and prevented excessive cell self-destruction processes in lung tissue.
Practical Takeaway
This is an early-stage animal study showing hydrogen saline may help protect lungs from severe bacterial infection-related damage. However, results in rats do not automatically translate to humans, and no human studies have yet tested this approach. Much more research, including human trials, would be needed before any therapeutic claims could be made.
Abstract (excerpt)
Acute lung injury induced by lipopolysaccharides (LPSs) is caused by pulmonary inflammation and pulmonary vascular permeability. Activation of p38 mitogen-activated protein kinase causes inflammation, and proinflammatory cytokines and oxidative stress induce autophagy, a catabolic mechanism…