Hydrogen Gas Reduces Gut Inflammation by Restoring Healthy Bacteria
Gut microbiota as a central mediator in hydrogen gas-induced alleviation of colitis via TLR4/NF-κB and Nrf2 pathway regulation
- Evidence type
- Animal study (mouse)
- Authors
- Wei Shi, Mingyu Xi, Kaini Zhang, Jiaojiao Yang, Xi Cheng, Haojing Zang, Weiping Fan
- Journal
- International Immunopharmacology
- Year
- 2025
- DOI
- 10.1016/j.intimp.2025.115671
- Study Type
- Mouse
- Outcome
- Positive
- Peer Reviewed
- Yes
- Country
- China
- Health Condition
- Inflammatory Bowel Disease
- Body System
- Gastrointestinal
This research was done in animals. Results in animals often don't carry over to people.
TL;DR
Hydrogen inhalation improves IBD by restoring gut microbiota, strengthening the gut barrier, and reducing inflammation.
Key Finding
Hydrogen gas inhalation reversed gut bacteria imbalances caused by colitis and reduced colon inflammation in mice by restoring beneficial bacteria, strengthening the intestinal barrier, and suppressing inflammatory signaling pathways.
Summary
This mouse study investigated how hydrogen gas inhalation might help treat colitis (inflammation of the colon). Researchers found that hydrogen gas inhalation changed the balance of bacteria in the gut, reduced harmful bacteria, increased beneficial bacteria, strengthened the intestinal barrier, and reduced inflammation through specific molecular pathways. The study suggests that these effects work together to reduce colitis symptoms.
Practical Takeaway
This is an early-stage animal study that provides mechanistic insight into how hydrogen gas might help with inflammatory bowel disease, but results in mice do not necessarily translate to humans. Before considering hydrogen gas therapy for colitis or IBD, people should consult their healthcare provider, as human clinical trials are needed to establish safety and effectiveness.
Abstract (excerpt)
Inflammatory bowel disease (IBD) is a chronic and relapsing autoimmune disorder of the gastrointestinal tract with incompletely elucidated pathogenesis and limited therapeutic options. Although hydrogen gas (H₂) has demonstrated therapeutic efficacy in various diseases including IBD, its mechanisms…