Simultaneous oral and inhalational intake of molecular hydrogen additively suppresses signaling pathways in rodents.
Sayaka Sobue, Kazuaki Yamai, Mikako Ito, Kinji Ohno, Masafumi Ito, Takashi Iwamoto, Shanlou Qiao, Tetsuo Ohkuwa, Masatoshi Ichihara · Molecular and cellular biochemistry · 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 mice, first examined the H₂ concentrations in blood and organs after its administration and found that oral intake of HRW rapidly but transiently increased H₂ concentrations in the liver and atrial blood, while H₂ concentrations in arterial blood and the kidney were one-tenth of those in the liver and atrial blood. 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 hydrogen-rich water affected the outcomes measured in mice. first examined the H₂ concentrations in blood and organs after its administration and found that oral intake of HRW rapidly but transiently increased H₂ concentrations in the liver and atrial blood. H₂ concentrations in arterial blood and the kidney were one-tenth of those in the liver and atrial blood.
What the Researchers Studied
The researchers studied mice. The study used a preclinical animal experiment.
What Effects Did Molecular Hydrogen Have?
H₂ is usually administered by inhaling H₂-containing air (HCA) or by oral intake of H₂-rich water (HRW). In contrast, inhalation of HCA increased H₂ equally in both atrial and arterial blood. The authors concluded that finally, the researchers evaluated whether the changes in gene expression were influenced by the route of H₂ administration and found that the combination of both HRW and HCA had the most potent effects on signaling pathways and gene expression in systemic organs, suggesting that H₂ may act not only through a dose-dependent mechanism but also through a complex molecular network. Molecular hydrogen (H₂) is an agent with potential applications in oxidative stress-related and/or inflammatory disorders.
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 hydrogen-rich water.
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.