The effects of methane and hydrogen gases produced by enteric bacteria on ileal motility and colonic transit time.
J Jahng, I S Jung, E J Choi, J L Conklin, H Park · Neurogastroenterology and motility · 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 isolated guinea pig ileum segments in a peristaltic tissue bath, hydrogen shortened colonic transit time by 47% in the proximal colon, and by 10% in the distal colon, compared with baseline (P < 0.05). The authors concluded that hydrogen shortened colonic transit, and that effect was more prominent in the proximal colon than distal colon. 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 hydrogen gas infusion into the tissue-bath preparation affected the outcomes measured in isolated guinea pig ileum segments in a peristaltic tissue bath. Hydrogen shortened colonic transit time by 47% in the proximal colon, and by 10% in the distal colon, compared with baseline (P < 0.05).
What the Researchers Studied
The researchers studied isolated guinea pig ileum segments in a peristaltic tissue bath. The study used a ex vivo tissue-bath laboratory experiment. The comparison condition was control condition or baseline measurements.
What Effects Did Molecular Hydrogen Have?
Hydrogen shortened colonic transit time by 47% in the proximal colon, and by 10% in the distal colon, compared with baseline (P < 0.05). The authors concluded that hydrogen shortened colonic transit, and that effect was more prominent in the proximal colon than distal colon.
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 ex vivo tissue-bath 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 research population or model was isolated guinea pig ileum segments in a peristaltic tissue bath. The study used a ex vivo tissue-bath laboratory experiment. The hydrogen delivery method was hydrogen gas infusion into the tissue-bath preparation.
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.