Hydrogen Gas Protects Against Blood Flow Loss Injury in Mouse Legs
- Authors
- Jian Tong, Yu Zhang, Pan Yu, Jie Liu, XiaoLiang Mei, Jia Meng
- Journal
- Journal of Surgical Research
- Year
- 2021
- DOI
- 10.1016/j.jss.2021.03.046
- Study Type
- Mouse
- Outcome
- Positive
- Peer Reviewed
- Yes
- Country
- China
- Health Condition
- Ischemia-Reperfusion Injury
- Body System
- Cardiovascular
TL;DR
Breathing in hydrogen gas helps reduce tissue damage and stress in mice legs after blood flow is restored following a blockage.
Key Finding
Hydrogen gas inhalation significantly reduced tissue damage and cell death in mice experiencing hind limb ischemia-reperfusion injury by decreasing oxidative stress and suppressing stress-induced cell death pathways.
Summary
Researchers studied whether inhaling hydrogen gas could protect mouse hind limbs from damage caused by temporarily cutting off blood flow and then restoring it. Mice that received hydrogen gas during the recovery period showed significantly less tissue damage, less cellular stress from harmful molecules called free radicals, and less cell death compared to mice that didn't receive hydrogen. The protective effect appeared to work by reducing stress in a cellular structure called the endoplasmic reticulum and by affecting a specific cellular signaling pathway.
Practical Takeaway
This mouse study provides early evidence that hydrogen gas may have protective effects against tissue damage from interrupted blood flow, but it is a preliminary animal study and does not demonstrate whether these effects would occur in humans. Much more research, including human trials, would be needed before any clinical applications could be considered.
Abstract (excerpt)
Background: The aim of this study was to investigate the mechanism of hydrogen gas on hind limb IR injury. Methods: Male C57BL/6 mice were randomly divided into three groups: sham group (Sham), ischemia-reperfusion group (IR), IR plus H2 inhalation group (IR + H2). IR was induced by interrupting…