Hydrogen Gas Inhalation Attenuates Endothelial Glycocalyx Damage and Stabilizes Hemodynamics in a Rat Hemorrhagic Shock Model.
Tomoyoshi Tamura, Motoaki Sano, Tadashi Matsuoka, Joe Yoshizawa, Ryo Yamamoto, Yoshinori Katsumata, Jin Endo, Koichiro Homma, Mayumi Kajimura, Masaru Suzuki, Eiji Kobayashi, Junichi Sasaki · Shock (Augusta, Ga.) · 2020
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, H₂ and XOR-I both suppressed MAP reduction and improved survival rates. H₂ did not affect XOR activity and the therapeutic effects of XOR-I and H₂ were additive. 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. H₂ and XOR-I both suppressed MAP reduction and improved survival rates.
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?
A, Rats inhaled oxygen or H₂ + oxygen after achieving shock either in the presence or absence of an XOR-I for both groups. B, Rats received oxygen alone or anti-TNF-α monoclonal antibody with oxygen or H₂ + oxygen. Control and H₂ groups were administered equivalent amounts of methylcellulose. H₂ and XOR-I both suppressed MAP reduction and improved survival rates. The authors concluded that H₂ inhalation after shock stabilized hemodynamics and improved survival rates in an HS/R model independent of XOR.
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 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.