The Preventive Role of Hydrogen-Rich Water in Thioacetamide-Induced Cholangiofibrosis in Rat Assessed by Automated Histological Classification.
Chaofu Li, Xing Zhao, Xiaoqiang Gu, Ying Chen, Guanzhen Yu · Frontiers in pharmacology · 2021
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 rats, continuous use of H₂-rich water was safe and improved QOL.The incidence and average number of cholangiofibrosis in the liver were higher in the TAA group (100%, 12.0 ± 10.07) than that in the H₂ group (57.1%, 2.86 ± 5.43). These preclinical findings add evidence supporting molecular hydrogen's therapeutic potential within the outcomes and biological pathways measured in this model.
What the Findings Mean
H2HUBB reviewed how hydrogen-rich water affected the outcomes measured in rats. Continuous use of H₂-rich water was safe and improved QOL.The incidence and average number of cholangiofibrosis in the liver were higher in the TAA group (100%, 12.0 ± 10.07) than that in the H₂ group (57.1%, 2.86 ± 5.43).
What the Researchers Studied
The researchers studied rats. The study used a preclinical animal experiment. The comparison condition was control condition or baseline measurements.
What Effects Did Molecular Hydrogen Have?
Source-reported hydrogen concentration: 1.8 mg/L H₂; Source-reported hydrogen exposure: 2 mL hydrogen-rich water/day; approximately 0 mg H₂ across the reported daily volume. Continuous use of H₂-rich water was safe and improved QOL.The incidence and average number of cholangiofibrosis in the liver were higher in the TAA group (100%, 12.0 ± 10.07) than that in the H₂ group (57.1%, 2.86 ± 5.43). The authors concluded that hydrogen-rich water protects against liver injury and cholangiofibrosis and improved quality of life partially through regulating the composition of intestinal flora. Subsequent studies showed that molecular hydrogen suppresses multiple signaling pathways and downstream targets in inflammation ( Itoh et al., 2011; Ichihara et al., 2015 ). The authors' analysis showed that the expression levels of the members of the S100 family (S100A4, −6, −8, −9, −10, and −11) were dramatically decreased when H₂-rich water was administered long-term.
Why These Findings Matter
These preclinical findings add evidence supporting molecular hydrogen's therapeutic potential within the outcomes and biological pathways measured in this model.
How Strong Is This Evidence?
This is preclinical animal evidence from a preclinical animal experiment. It is most informative for the disease model, mechanisms, biomarkers, and outcomes directly measured in the study.
Technical Study Details
H2HUBB classifies this publication as animal study with preclinical animal evidence. The research population or model was rats. The reported sample size was 20. The study used a preclinical animal experiment. The hydrogen delivery method was hydrogen-rich water. The source-reported hydrogen concentration was 1.8 mg/L H₂. The source-reported hydrogen exposure was 2 mL hydrogen-rich water/day; approximately 0 mg H₂ across the reported daily volume.
Limitations and Safety
Safety information: Continuous use of H₂-rich water was safe and improved QOL.The incidence and average number of cholangiofibrosis in the liver were higher in the TAA group (100%, 12.0 ± 10.07) than that in the H₂ group (57.1%, 2.86 ± 5.43). This experiment was used to decide the safety of long-term use of H₂-rich water and whether H₂-rich water could improve the quality of life ( Supplementary Figure S1 ).
Original Study and H2HUBB Research Context
H2HUBB presents this source-grounded research record as one contribution to the broader molecular-hydrogen evidence base.