Hydrogen Water Protects Against Chronic Gut Inflammation in Rats
- Authors
- Jin Peng, Qi He, Shuaichen Li, Tao Liu, Jiantao Zhang
- Journal
- Veterinary Sciences
- Year
- 2022
- DOI
- 10.3390/vetsci9110621
- Study Type
- Rat
- Outcome
- Positive
- Peer Reviewed
- Yes
- Country
- China
- Health Condition
- Chronic Intestinal Inflammation
- Body System
- Digestive
TL;DR
Drinking hydrogen-rich water may help prevent long-term gut inflammation caused by harmful substances.
Key Finding
Hydrogen-rich water reduced chronic intestinal inflammation in rats by activating antioxidant defenses and suppressing inflammatory signaling pathways, while strengthening the intestinal barrier.
Summary
Researchers gave rats hydrogen-rich water for seven months, then exposed them to a bacterial toxin (lipopolysaccharide) known to trigger intestinal inflammation. The hydrogen-rich water reduced inflammatory markers and oxidative stress (cellular damage from unstable molecules) in the rats' intestines by activating protective cellular pathways (Nrf-2) and suppressing inflammatory pathways (NF-κB). The treatment also strengthened the intestinal barrier.
Practical Takeaway
This rat study suggests hydrogen-rich water may help protect against intestinal inflammation, but results from animal studies do not automatically translate to humans. No human trials have tested this yet, so it remains unclear whether these effects would occur in people or at what dose. More research in humans is needed before drawing conclusions about practical benefits.
Abstract
Long-term exposure to low-dose lipopolysaccharide can impair intestinal barriers, causing intestinal inflammation and leading to systemic inflammation. Hydrogen-rich water possesses antioxidant and anti-inflammatory functions and exerts inhibitory effects on various inflammatory diseases. In this study, we investigated whether oral hydrogen-rich water could prevent lipopolysaccharide-induced chronic intestinal inflammation. An experimental model was established by feeding hydrogen-rich water, followed by the injection of lipopolysaccharide (200 μg/kg) in the tail vein of rats after seven months. ELISA, Western blot, immunohistochemistry, and other methods were used to detect related cytokines, proteins related to the NF-κB and Nrf-2 signaling pathways, and tight-junction proteins to study the anti-inflammatory and antioxidant effects of hydrogen-rich water. The obtained results show that hydrogen-rich water significantly increased the levels of superoxide dismutase and structural proteins; activated the Nrf-2 signaling pathway; downregulated the expression of inflammatory factors cyclooxygenase-2, myeloperoxidase, and ROS; and decreased the activation of the NF-κB signaling pathway. These results suggest that hydrogen-rich water could protect against chronic intestinal inflammation in rats caused by lipopolysaccharide-induced activation of the NF-κB signaling pathway by regulating the Nrf-2 signaling pathway.