Molecular hydrogen-mediated SIRT1 activation alleviates sepsis-associated encephalopathy by promoting mitophagy.
Jianfeng Liu, Shuqi Meng, Zhiwei Wang, Yan Fan, Shuaijie Pei, Jiatian Cui, Jie Liu, Yu Song, Xiaofan Huang, Xuguang Li, Yan Cui, Keliang Xie · European journal of medical research · 2025
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, hydrogen treatment upregulated SIRT1 expression and promoted PINK1/Parkin-mediated mitophagy, leading to reduced phosphorylation of STING, decreased levels of pro-inflammatory cytokines (IL-1β, IL-6, and TNF-α), and suppressed neuronal apoptosis in the hippocampal CA1 region. 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. Hydrogen treatment upregulated SIRT1 expression and promoted PINK1/Parkin-mediated mitophagy, leading to reduced phosphorylation of STING, decreased levels of pro-inflammatory cytokines (IL-1β, IL-6, and TNF-α), and suppressed neuronal apoptosis in the hippocampal CA1 region.
What the Researchers Studied
The researchers studied mice. The study used a preclinical animal experiment.
What Effects Did Molecular Hydrogen Have?
2% inhaled H₂ concentration. Hydrogen treatment upregulated SIRT1 expression and promoted PINK1/Parkin-mediated mitophagy, leading to reduced phosphorylation of STING, decreased levels of pro-inflammatory cytokines (IL-1β, IL-6, and TNF-α), and suppressed neuronal apoptosis in the hippocampal CA1 region. Proteomics was employed to explore the specific mechanism by which hydrogen regulates mitophagy.
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 study used a preclinical animal experiment. The hydrogen delivery method was inhaled hydrogen gas. The reported hydrogen concentration was 2% inhaled H₂ concentration.
Limitations and Safety
No separate limitations or safety findings were identified in the source text available to H2HUBB.
Original Study and H2HUBB Research Context
H2HUBB presents this source-grounded research record as one contribution to the broader molecular-hydrogen evidence base.