High-concentration hydrogen inhalation mitigates sepsis-associated encephalopathy in mice by improving mitochondrial dynamics.
Yan Cui, Shuqi Meng, Nannan Zhang, Jingya Liu, Lina Zheng, Wanjie Ma, Yu Song, Zhiwei Wang, Yuehao Shen, Jianfeng Liu, Keliang Xie · CNS neuroscience & therapeutics · 2024
Research-use notice
Independent study record
Each H2HUBB study page organizes source-linked research details for educational use. Interpretation should remain proportional to the study design, population, controls, and limitations.
H2HUBB TAKEAWAY
In mice, inhalation of 67% H₂ improved the 7-day survival rates and recognition memory function of septic mice, alleviated brain antioxidant enzyme activity (SOD and CAT), and reduced serum proinflammatory cytokine levels. These preclinical findings add evidence supporting molecular hydrogen's therapeutic potential within the outcomes and biological pathways measured in this model.
What the Findings Mean
H2HUBB reviewed how inhaled hydrogen gas affected the outcomes measured in mice. Inhalation of 67% H₂ improved the 7-day survival rates and recognition memory function of septic mice, alleviated brain antioxidant enzyme activity (SOD and CAT), and reduced serum proinflammatory cytokine levels.
What the Researchers Studied
The researchers studied mice. The study used a preclinical animal experiment.
What Effects Did Molecular Hydrogen Have?
Source-reported hydrogen concentration: 67% source-reported H₂ gas concentration; Source-reported hydrogen exposure: 67% source-reported H₂ gas concentration. Inhalation of 67% H₂ improved the 7-day survival rates and recognition memory function of septic mice, alleviated brain antioxidant enzyme activity (SOD and CAT), and reduced serum proinflammatory cytokine levels. The authors concluded that inhalation of high concentration (67%) of H₂ in septic mice improved the survival rate and reduced neuronal injury. However, with the development of advanced high concentration H₂ therapeutic devices, 66.7% hydrogen and 33.3% oxygen can be produced by electrolyzing water, and the safety of use is ensured through safety mechanisms such as sealing loop and concentration monitoring feedback.
Why These Findings Matter
These preclinical findings add evidence supporting molecular hydrogen's therapeutic potential within the outcomes and biological pathways measured in this model.
How Strong Is This Evidence?
This is preclinical animal evidence from a preclinical animal experiment. It is most informative for the disease model, mechanisms, biomarkers, and outcomes directly measured in the study.
Technical Study Details
H2HUBB classifies this publication as animal study with preclinical animal evidence. The research population or model was mice. The reported sample size was 1. The study used a preclinical animal experiment. The hydrogen delivery method was inhaled hydrogen gas. The source-reported hydrogen concentration was 67% source-reported H₂ gas concentration.
Limitations and Safety
Safety information: However, with the development of advanced high concentration H₂ therapeutic devices, 66.7% hydrogen and 33.3% oxygen can be produced by electrolyzing water, and the safety of use is ensured through safety mechanisms such as sealing loop and concentration monitoring feedback.
Original Study and H2HUBB Research Context
H2HUBB presents this source-grounded research record as one contribution to the broader molecular-hydrogen evidence base.