Nanoparticles Deliver Hydrogen in Mice After Stroke
Magnesium silicate nanosheets enable sustained hydrogen release to attenuate secondary brain injury following intracerebral hemorrhage
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 (mouse)
- Authors
- Chang-Sheng Ma, Bo Han, Jia-Ru Guo, Jin-Fen Guo, Chang-Ku Shi, Yu-Xi Liu, Wen-Jing Yi, Li-Ying Zhang, Ai-Jun Deng, Ying-Shuai Wang, Mao-Tao He
- Journal
- Journal of Translational Medicine
- Year
- 2026
- PMID
- 41654898
- Study Type
- Mouse
- Delivery
- Gas (Sustained Release)
- Dose
- orally administered magnesium silicate nanosheets
- Outcome
- Positive
- Peer Reviewed
- Yes
- Cited by
- 0 (OpenAlex, as of November 2026)
- Country
- China
TL;DR
Orally administered magnesium silicate nanosheets provided sustained hydrogen release and reduced secondary brain injury after intracerebral hemorrhage in mice.
Key Finding
Magnesium silicate nanoparticles that slowly release hydrogen gas reduced secondary brain injury (damage that occurs after the initial bleeding) in mice with intracerebral hemorrhage more effectively than conventional hydrogen gas inhalation.
Summary
Researchers tested a new nanoparticle material (made from magnesium silicate) designed to release hydrogen gas slowly in the brain to treat intracerebral hemorrhage, a type of stroke caused by bleeding in the brain. In mice with this type of stroke, the nanoparticles reduced brain swelling, preserved brain cells, and decreased harmful inflammation and cell death better than standard hydrogen gas inhalation.
Practical Takeaway
This is early-stage research in mice only, so it cannot yet be applied to humans. The study suggests that a sustained-release hydrogen delivery method may be more effective than inhaled hydrogen for brain injury, but human clinical trials would be needed to determine if this approach is safe and effective for stroke patients.
Abstract (excerpt)
Background: Intracerebral hemorrhage (ICH) is a devastating stroke subtype with high mortality and disability, primarily driven by secondary brain injury involving oxidative stress, neuroinflammation, and apoptosis. Molecular hydrogen (H₂) exhibits potent neuroprotective effects; however…