[Effect of hydrogen inhalation on p38 MAPK activation in rats with lipopolysaccharide- induced acute lung injury].
Canxin Liang, Xinwei Liu, Ling Liu, Dongwei He · Nan fang yi ke da xue xue bao = Journal of Southern Medical University · 2012
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 rats, hydrogen inhalation decreased the expression of p-p38 MAPK in the lung tissue, and significantly reduced TNF-α content in the lung tissue and serum of rats with ALI. 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 rats. Hydrogen inhalation decreased the expression of p-p38 MAPK in the lung tissue, and significantly reduced TNF-α content in the lung tissue and serum of rats with ALI.
What the Researchers Studied
The researchers studied rats. The study used a preclinical animal experiment.
What Effects Did Molecular Hydrogen Have?
2% inhaled H₂ concentration. Hydrogen inhalation decreased the expression of p-p38 MAPK in the lung tissue, and significantly reduced TNF-α content in the lung tissue and serum of rats with ALI. The authors concluded that hydrogen inhalation can decrease the expression of TNF-α in the lung tissue and serum, and this effect may be related with reduced p38 MAPK expression and inhibition of p38 MAPK activation. To investigate the effect of hydrogen inhalation on lipopolysaccharide (LPS)-induced acute lung injury (ALI) and the underlying molecular mechanisms.
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 rats. The reported sample size was 2. 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.