Effect of Hydrogen on AM Pyroptosis Induced by Severe Burns in Rats.
Ning Luo, Hua Lin, Linlin Zhang, Yi Jiang, Yue Zhao, Qingqing Han, Xin Wang, Yonghao Yu, Chao Qin · Journal of personalized medicine · 2023
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, through transmission electron microscopy, the researchers observed that the GSDMD membrane pores in AMs were increased at 12 and 24 h post-burn compared with sham rats; however, hydrogen treatment mitigated this trend ( Figure 6 ). 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 inhaled hydrogen gas affected the outcomes measured in rats. Through transmission electron microscopy, the researchers observed that the GSDMD membrane pores in AMs were increased at 12 and 24 h post-burn compared with sham rats; however, hydrogen treatment mitigated this trend ( Figure 6 ).
What the Researchers Studied
The researchers studied rats. The study used a preclinical animal experiment.
What Effects Did Molecular Hydrogen Have?
The rats in the sham and sham + H₂ groups were exposed to skin temperature only for back depilation. At 1 and 6 h post-injury, rats in the sham + H₂ and burn + H₂ groups inhaled hydrogen in this environment for 1 h, while rats in the sham and burn groups were in the same environment and inhaled air. Through transmission electron microscopy, the researchers observed that the GSDMD membrane pores in AMs were increased at 12 and 24 h post-burn compared with sham rats; however, hydrogen treatment mitigated this trend ( Figure 6 ). The authors concluded that the results of this study suggest that hydrogen may protect against ALI induced by burn injury by inhibiting pyroptosis of macrophages via NLRP3. Hydrogen has anti-inflammatory and antioxidant effects and is beneficial to multiple organs. hydrogen can inhibit the NLRP3/caspase-1/GSDMD pathway, reduce AM membrane pore formation, reduce pyroptosis, and reduce the release of inflammatory factors; thus, part of the reason hydrogen reduces lung tissue density and burn-induced ALI may be due to reduced cell pyroptosis.
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 study used a preclinical animal experiment. The hydrogen delivery method was inhaled hydrogen gas.
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.