High-concentration hydrogen mitigates cognitive impairment in a murine model of Sepsis-associated encephalopathy by enhancing oligodendrocyte maturation and myelination in the mPFC.
Jiafeng Yu, Wenjie Qi, Feixiang Li, Beichuan Chang, Zengkun Wang, Yufei Kan, Yonghao Yu, Yang Yu · Progress in neuro-psychopharmacology & biological psychiatry · 2026
Research-use notice
Independent study record
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H2HUBB TAKEAWAY
In mice, 67% hydrogen inhalation markedly mitigated SAE-induced cognitive dysfunction by restraining mTOR overactivation to promote oligodendrocyte maturation and myelin reconstruction; rapamycin treatment exerted synergistic neuroprotective efficacy. 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 molecular hydrogen affected the outcomes measured in mice. 67% hydrogen inhalation markedly mitigated SAE-induced cognitive dysfunction by restraining mTOR overactivation to promote oligodendrocyte maturation and myelin reconstruction; rapamycin treatment exerted synergistic neuroprotective efficacy.
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. 67% hydrogen inhalation markedly mitigated SAE-induced cognitive dysfunction by restraining mTOR overactivation to promote oligodendrocyte maturation and myelin reconstruction; rapamycin treatment exerted synergistic neuroprotective efficacy. The authors concluded that the study indicated that mTOR hyperactivation in the medial prefrontal cortex of SAE mice impeded oligodendrocyte precursor cell differentiation, triggered hypomyelination, and ultimately precipitated cognitive dysfunction. Although hydrogen inhalation exerts protective effects in sepsis, its underlying mechanisms remain unclear.
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 source-reported hydrogen concentration was 67% source-reported H₂ gas concentration.
Limitations and Safety
No separate limitations or safety findings were identified in the current-study 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.