Hydrogen Saline Protects Brain Cells from Stroke Damage in Rats
Hydrogen-rich saline attenuates neuronal ischemia–reperfusion injury by protecting mitochondrial function in rats
Research hubs: Brain & Nervous System · Cardiovascular System
This research was done in animals. Results in animals often don't carry over to people.
- Evidence type
- Animal study (rat)
- Authors
- Yaomei Cui, Hao Zhang, Muhuo Ji, Min Jia, Huixian Chen, Jianjun Yang, Manlin Duan
- Journal
- Journal of Surgical Research
- Year
- 2014
- PMID
- 24969549
- Study Type
- Rat
- Participants
- 90
- Delivery
- Saline (Dissolved)
- Dose
- 5 mL/kg hydrogen-rich saline injected intraperitoneally immediately after reperfusion
- Outcome
- Positive
- Peer Reviewed
- Yes
- Cited by
- 58 (OpenAlex, as of November 2026)
- Country
- China
TL;DR
Hydrogen-rich saline helps protect rat brain cells from damage caused by temporary loss of blood flow and subsequent restoration (ischemia-reperfusion injury).
Key Finding
Hydrogen-rich saline significantly improved survival of brain cells damaged by ischemia-reperfusion injury in rats and preserved mitochondrial function, including maintaining membrane potential and preventing the release of cytochrome c (a protein that triggers cell death).
Summary
Researchers tested whether hydrogen-rich saline (a salt solution containing dissolved hydrogen gas) could protect rat brain cells from damage caused by temporarily cutting off blood flow and then restoring it. They found that hydrogen-rich saline treatment increased cell survival, reduced brain tissue damage, and preserved the health of mitochondria (the energy-producing structures inside cells), suggesting hydrogen may work by protecting these cellular power plants from injury.
Practical Takeaway
This rat study provides early evidence that hydrogen-rich saline may protect brain tissue during stroke-like events by preserving mitochondrial function. However, these results are from animal studies only and have not been tested in humans, so it is too early to draw conclusions about potential benefits for people with stroke or similar conditions.
Abstract (excerpt)
Background: Hydrogen, a popular antioxidant gas, can selectively reduce cytotoxic oxygen radicals and has been found to protect against ischemia–reperfusion (I/R) injury of multiple organs. Acute neuronal death during I/R has been attributed to loss of mitochondrial permeability transition coupled…