[The role of Nrf2 in the hydrogen treatment for intestinal injury caused by severe sepsis].
Yuan Li, Keliang Xie, Hongguang Chen, Weina Wang, Guolin Wang, Yonghao Yu · Zhonghua wei zhong bing ji jiu yi xue · 2014
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, hE staining showed that there was significantly aggravated intestinal pathological injury in the mice of sepsis group; compared with sepsis group, the pathology was significantly less marked in hydrogen treatment group. The authors linked these findings to activation of the Nrf2-antioxidant response element (ARE) pathway. 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. HE staining showed that there was significantly aggravated intestinal pathological injury in the mice of sepsis group; compared with sepsis group, the pathology was significantly less marked in hydrogen treatment group.
What the Researchers Studied
The researchers studied mice. The study used a preclinical animal experiment. The comparison condition was control condition or baseline measurements.
What Effects Did Molecular Hydrogen Have?
2% inhaled H₂ concentration. HE staining showed that there was significantly aggravated intestinal pathological injury in the mice of sepsis group; compared with sepsis group, the pathology was significantly less marked in hydrogen treatment group. The authors concluded that through activation of Nrf2-antioxidant response element (ARE) pathway, hydrogen may increase the level of Nrf2, which is a kind of protective protein, in the intestine of mice, thus decreases the level of late pro-inflammatory factor, HMGB1, and it may protect the intestinal tissues in septic mice and increase the survival rate significantly. The authors linked these findings to activation of the Nrf2-antioxidant response element (ARE) pathway.
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 152. The study used a preclinical animal experiment. 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.