Hydrogen Saline Reduces Lung Injury by Controlling Cell Autophagy
Saturated hydrogen saline ameliorates lipopolysaccharide-induced acute lung injury by reducing excessive autophagy (Review)
Research hubs: Respiratory System

- Evidence type
- Review or commentary
- Authors
- Yiming Liu, Jin Zhang
- Journal
- Experimental and Therapeutic Medicine
- Year
- 2017
- PMID
- 28596808
- Study Type
- clinical
- Delivery
- saline
- Outcome
- positive
- Peer Reviewed
- Yes
- Cited by
- 19 (OpenAlex, as of November 2026)
- Country
- China
TL;DR
Scientists found that a special salt water containing hydrogen can help treat a serious lung condition by stopping cells from eating themselves too much—a process that was making the lung inflammation worse.
Key Finding
Hydrogen-saturated saline may reduce lung injury caused by bacterial toxins by suppressing excessive autophagy through multiple molecular mechanisms including NF-κB downregulation and mTOR activation.
Summary
This review examines how hydrogen-saturated saline might help treat acute lung injury (a serious condition where the lungs become inflamed and damaged, often from bacterial toxins). The researchers explored how hydrogen saline may work by blocking a cellular process called autophagy (where cells break down their own components), which appears to worsen inflammation and lung damage. The review suggests hydrogen saline may achieve this through several molecular pathways that reduce both inflammation and excessive autophagy.
Practical Takeaway
This is a review article examining theoretical mechanisms rather than a clinical study with human participants, so it does not provide direct evidence that hydrogen water helps treat lung injury in people. The proposed mechanisms are based on laboratory and animal research. Anyone with acute lung injury should rely on established medical treatments rather than hydrogen water, as this remains early-stage research.
Abstract (excerpt)
The pathogenesis of acute lung injury (ALI) induced by lipopolysaccharide (LPS) involves excessive pulmonary inflammation and oxidative stress. In turn, autophagy is associated with inflammatory diseases and organ dysfunction, and studies have demonstrated that LPS treatment may trigger autophagy…