Hydrogen Protects Lung Cells from Oxygen Toxicity in Lab Study
Quantitative proteomics reveals the mechanisms of hydrogen-conferred protection against hyperoxia-induced injury in type II alveolar epithelial cells
Research hubs: Respiratory System
This research was done on cells or tissue in a lab, not in people or animals.
- Evidence type
- Laboratory study (cells or tissue)
- Authors
- Xue Lu, Chao Wang, Dan Wu, Chao Zhang, Changxue Xiao, Feng Xu
- Journal
- Experimental Lung Research
- Year
- 2018
- PMID
- 30973277
- Study Type
- Cell Culture
- Delivery
- Medium (Dissolved)
- Duration
- 1 day or less
- Outcome
- Positive
- Peer Reviewed
- Yes
- Cited by
- 8 (OpenAlex, as of November 2026)
- Country
- China
TL;DR
Molecular hydrogen helps protect lung cells from damage caused by high levels of oxygen by influencing various proteins and biological processes.
Key Finding
Molecular hydrogen protected lung cells from damage caused by excessive oxygen exposure by reducing cell death, improving cell survival, and preserving cell function through multiple protective mechanisms.
Summary
Researchers exposed lung cells to very high oxygen levels (which damages them) and tested whether molecular hydrogen could protect them. They found that hydrogen-treated cells survived better, showed less cell death, and maintained better function compared to cells exposed to high oxygen alone. The study identified multiple proteins and biological pathways that appear to explain how hydrogen provides this protective effect.
Practical Takeaway
This laboratory study in isolated lung cells suggests hydrogen may have protective effects against oxygen-related lung injury, but it is a cell-culture study only—not tested in animals or humans. Much more research would be needed before any conclusions could be drawn about hydrogen's potential therapeutic use for lung conditions in people.
Abstract (excerpt)
Purpose/Aim: Exposure to hyperoxia leads to lung injury both in vivo and in vitro, molecular hydrogen has been reported to protect against hyperoxia-induced lung injury; however, the underlying molecular mechanisms remain largely unknown. The objective of this study was to characterize…