Hydrogen-enriched preservation protects the isogeneic intestinal graft and amends recipient gastric function during transplantation.
Bettina M Buchholz, Kosuke Masutani, Tomohiro Kawamura, Ximei Peng, Yoshiya Toyoda, Timothy R Billiar, Anthony J Bauer, Atsunori Nakao · Transplantation · 2011
Research-use notice
Independent study record
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H2HUBB TAKEAWAY
In a laboratory model, reflecting improved graft preservation, hydrogen preloading of grafts increased recipient survival rates from 41% to 80%. The authors concluded that graft preloading with hydrogen demonstrated superior morphologic and functional graft protection in rodent intestinal transplantation, ultimately facilitating recipient survival. These findings from a laboratory model add evidence supporting molecular hydrogen's biological and therapeutic potential in the model studied.
What the Findings Mean
H2HUBB reviewed how inhaled hydrogen gas was evaluated in this publication and summarizes the source-grounded findings below. Reflecting improved graft preservation, hydrogen preloading of grafts increased recipient survival rates from 41% to 80%.
What the Researchers Studied
The study used a laboratory experiment.
What Effects Did Molecular Hydrogen Have?
Isogeneic intestinal transplantation was performed in Lewis rats with vascular flush, luminal preservation, and cold graft storage in nitrogen-bubbled (SITxN2) or hydrogen-bubbled (SITxH2) preservation solution. Reflecting improved graft preservation, hydrogen preloading of grafts increased recipient survival rates from 41% to 80%. The authors concluded that graft preloading with hydrogen demonstrated superior morphologic and functional graft protection in rodent intestinal transplantation, ultimately facilitating recipient survival. During the early phase of ischemia-reperfusion injury, hydrogen-enriched solution significantly preserved mucosal graft morphology, diminished graft malondialdehyde levels demonstrating substantial reduction potential and blunted proinflammatory molecular responses (early growth response gene [EGR-1], interleukin [IL]-6, IL-1ß, and inducible nitric oxide synthase) within the reperfused intestinal graft muscularis. Anti-inflammatory and antiapoptotic heme oxygenase-1 was significantly upregulated in the hydrogen-treated graft muscularis but not mucosa before reperfusion.
Why These Findings Matter
These findings from a laboratory model add evidence supporting molecular hydrogen's biological and therapeutic potential in the model studied.
How Strong Is This Evidence?
This is laboratory evidence from a laboratory experiment. It is most informative for the biological mechanisms, cellular responses, or biochemical outcomes directly measured.
Technical Study Details
H2HUBB classifies this publication as laboratory study with laboratory or cellular evidence. The study used a laboratory 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.