Hydrogen Water Protects Lung Cells from Toxic Chemical Damage
Hydrogen water alleviates paraquat-induced lung fibroblast injury in vitro by enhancing Nrf2 expression
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
- Ting Li, Shuhao Deng, Wei Lei, Zhengkun Li, Wenjuan Wu, Tao Zhang, Zhaoxing Dong
- Journal
- Journal of Southern Medical University
- Year
- 2020
- PMID
- 32376537
- Study Type
- Cell Culture
- Delivery
- Water (Dissolved)
- Duration
- 1 day or less
- Outcome
- Positive
- Peer Reviewed
- Yes
- Cited by
- 4 (OpenAlex, as of November 2026)
- Country
- China
TL;DR
Drinking hydrogen-rich water may help reduce lung damage and promote healing in cells exposed to a harmful chemical.
Key Finding
In laboratory-grown lung cells exposed to paraquat toxin, hydrogen water reduced markers of lung scarring and boosted the cells' natural antioxidant defenses by activating a protective pathway called Nrf2.
Summary
Researchers exposed human lung cells in a lab dish to paraquat (a toxic chemical) and then treated them with hydrogen water. Cells treated with hydrogen water showed reduced production of scar-forming proteins and increased production of natural antioxidants (molecules that protect cells from damage). The protective effect appeared to work through a cellular pathway called Nrf2.
Practical Takeaway
This is an early-stage laboratory study in cells only, not humans or animals. While the results suggest hydrogen water may protect lung cells from a specific type of chemical damage, much more research would be needed to determine if this translates to real-world benefits for people exposed to paraquat or other lung stressors.
Abstract (excerpt)
Objective: To investigate the effects of hydrogen water on proliferation, differentiation, collagen secretion and Nrf2 expression in paraquat-induced human lung fibroblasts. Methods: In vitro cultured human lung fibroblasts (HFL1) exposed to 600 μmol/L paraquat (PQ) for 24 h were treated…