Hydrogen Gas Protects Liver During Transplant Surgery in Rats
Hydrogen gas inhalation protects against liver ischemia/reperfusion injury by activating the NF-κB signaling pathway
This research was done in animals. Results in animals often don't carry over to people.
- Evidence type
- Animal study (rat)
- Authors
- Chao-Bin Zhang, Yi-Chen Tang, Xue-Jun Xu, Shi-Xiang Guo, Huai-Zhi Wang
- Journal
- Experimental and Therapeutic Medicine
- Year
- 2015
- PMID
- 26136944
- Study Type
- Rat
- Delivery
- Gas
- Dose
- 2% hydrogen gas inhalation for 1 hour prior to liver ischemia/reperfusion injury
- H₂ concentration
- 2% H2 gas
- Outcome
- Positive
- Peer Reviewed
- Yes
- Cited by
- 46 (OpenAlex, as of November 2026)
- Country
- China
TL;DR
Breathing in hydrogen gas at a specific concentration and duration before liver surgery significantly reduced liver damage in rats.
Key Finding
Inhaling 2% hydrogen gas for 1 hour before liver transplant surgery significantly reduced liver damage markers and inflammation in rats, with the protective effect linked to activation of the NF-κB cellular defense pathway.
Summary
Researchers tested whether inhaling hydrogen gas could protect rat livers from damage during transplantation surgery. When rats inhaled 2% hydrogen gas for 1 hour before surgery, their livers showed less injury afterward, with lower levels of damage markers in the blood and reduced inflammation. The protection appeared to work by activating a cellular defense pathway called NF-κB.
Practical Takeaway
This rat study suggests hydrogen gas inhalation may protect liver tissue during transplant procedures, but it is early-stage research in animals only. Whether these findings apply to humans undergoing liver transplantation remains unknown and would require human clinical trials to determine.
Abstract (excerpt)
Hydrogen has been demonstrated to function as a novel antioxidant and exert therapeutic antioxidant activity in a number of diseases. The present study was designed to investigate the effect of hydrogen inhalation on liver ischemia/reperfusion (I/R) injury in rats. The portal triad to the left lobe…