Hydrogen Gas Reduces Liver Damage from Parasitic Infection in Mice

Authors
Journal
Comptes Rendus de l'Académie des Sciences - Series III - Sciences de la Vie
Year
DOI
10.1016/s0764-4469(01)01350-6
Study Type
Mouse
Outcome
Positive
Peer Reviewed
Yes
Country
France
Health Condition
Schistosomiasis
Body System
Hepatic

TL;DR

Breathing hydrogen gas reduced liver inflammation and damage in animals with a specific type of chronic liver disease.

Key Finding

Mice exposed to hydrogen gas in a hyperbaric chamber showed significant reductions in parasite-induced liver inflammation, fibrosis, and inflammatory markers compared to controls.

Summary

Researchers tested whether hydrogen gas could reduce liver inflammation caused by parasitic infection in mice. Animals exposed to hydrogen gas in a pressurized chamber for 2 weeks showed less liver scarring, better blood flow, higher levels of protective enzymes, and lower levels of inflammatory markers compared to controls. The findings suggest hydrogen may work by neutralizing harmful molecules called hydroxyl radicals, though other protective mechanisms may also be involved.

Practical Takeaway

This early animal study suggests hydrogen gas may have anti-inflammatory effects in liver disease, but it used a specialized hyperbaric chamber delivery method that is not practical for consumer use. Much more research—including human studies—would be needed before any health recommendations could be made. The study also found that helium provided some benefits too, suggesting hydrogen's protective effects may involve multiple mechanisms beyond what researchers initially hypothesized.

Abstract

Molecular hydrogen reacts with the hydroxyl radical, a highly cytotoxic species produced in inflamed tissues. It has been suggested therefore to use gaseous hydrogen in a new anti-inflammatory strategy. We tested this idea, with the aid of the equipment and skills of COMEX SA in Marseille, a group who experiments with oxygen-hydrogen breathing mixtures for professional deep-sea diving. The model used was schistosomiasis-associated chronic liver inflammation. Infected animals stayed 2 weeks in an hyperbaric chamber in a normal atmosphere supplemented with 0.7 MPa hydrogen. The treatment had significant protective effects towards liver injury, namely decreased fibrosis, improvement of hemodynamics, increased NOSII activity, increased antioxidant enzyme activity, decreased lipid peroxide levels and decreased circulating TNF-alpha levels. Under the same conditions, helium exerted also some protective effects, indicating that hydroxyl radical scavenging is not the only protective mechanism. These findings indicate that the proposed anti-inflammatory strategy deserves further attention.