Inhalation of Hydrogen Gas Is Beneficial for Preventing Contrast-Induced Acute Kidney Injury in Rats.
Koichiro Homma, Tadashi Yoshida, Maho Yamashita, Kei Hayashida, Matsuhiko Hayashi, Shingo Hori · Nephron. Experimental nephrology · 2015
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, one day after the injection, serum levels of urea nitrogen were significantly lower in H₂ gas-inhaling CIAKI rats (17.6 ± 2.3 mg/dl) than those in control gas-treated CIAKI rats (36.0 ± 7.3 mg/dl), although they both were elevated as compared to untreated rats (14.9 ± 0.9 mg/dl). 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. One day after the injection, serum levels of urea nitrogen were significantly lower in H₂ gas-inhaling CIAKI rats (17.6 ± 2.3 mg/dl) than those in control gas-treated CIAKI rats (36.0 ± 7.3 mg/dl), although they both were elevated as compared to untreated rats (14.9 ± 0.9 mg/dl).
What the Researchers Studied
The researchers studied rats. The study used a preclinical animal experiment. The comparison condition was control condition or baseline measurements.
What Effects Did Molecular Hydrogen Have?
During the injection of these reagents, the rats inhaled H₂ gas or control gas. One day after the injection, serum levels of urea nitrogen were significantly lower in H₂ gas-inhaling CIAKI rats (17.6 ± 2.3 mg/dl) than those in control gas-treated CIAKI rats (36.0 ± 7.3 mg/dl), although they both were elevated as compared to untreated rats (14.9 ± 0.9 mg/dl). The authors concluded that suggest that H₂ gas inhalation is effective in ameliorating the severity of CIAKI in rats by reducing renal cellular apoptosis and oxidative stress. © 2015 S.
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 study used a preclinical animal experiment. The hydrogen delivery method was inhaled hydrogen gas.
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.