Hydrogen regulates the aryl hydrocarbon receptor, improving bronchopulmonary dysplasia in neonatal rats and RLE-6TN cells exposed to hyperoxia.
Mulin Liang, Feifei Song, Jin Wang, Chunli Yang, Huixi Yin, Wei Zhou · Frontiers in pediatrics · 2025
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Independent study record
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H2HUBB TAKEAWAY
In H₂ was administered to assess its effects on BPD rats, while hydrogen-rich medium was used to treat RLE-6TN cells to evaluate cell viability, H₂ treatment ameliorated lung tissue pathology in BPD rats, reduced cellular apoptosis, enhanced the expression of surfactant proteins SP-A and SP-B, and modulated AHR and its downstream effector CPEB4, thereby alleviating endoplasmic reticulum (ER) stress. The authors concluded that H₂ alleviates ER stress and reduces apoptosis by regulating AHR and its downstream molecule CPEB4, thereby mitigating hyperoxia-induced BPD. These findings from a laboratory model add evidence supporting molecular hydrogen's biological and therapeutic potential in the model studied.
What the Findings Mean
H2HUBB reviewed how hydrogen-rich medium affected the outcomes measured in H₂ was administered to assess its effects on BPD rats, while hydrogen-rich medium was used to treat RLE-6TN cells to evaluate cell viability. H₂ treatment ameliorated lung tissue pathology in BPD rats, reduced cellular apoptosis, enhanced the expression of surfactant proteins SP-A and SP-B, and modulated AHR and its downstream effector CPEB4, thereby alleviating endoplasmic reticulum (ER) stress.
What the Researchers Studied
The researchers studied H₂ was administered to assess its effects on BPD rats, while hydrogen-rich medium was used to treat RLE-6TN cells to evaluate cell viability. The study used a in vitro cell-culture laboratory experiment. The comparison condition was control condition or baseline measurements.
What Effects Did Molecular Hydrogen Have?
Source-reported hydrogen concentration: 2% source-reported H₂ gas concentration; Source-reported hydrogen exposure: 2% source-reported H₂ gas concentration. H₂ treatment ameliorated lung tissue pathology in BPD rats, reduced cellular apoptosis, enhanced the expression of surfactant proteins SP-A and SP-B, and modulated AHR and its downstream effector CPEB4, thereby alleviating endoplasmic reticulum (ER) stress. The authors concluded that H₂ alleviates ER stress and reduces apoptosis by regulating AHR and its downstream molecule CPEB4, thereby mitigating hyperoxia-induced BPD. This study investigates the role and underlying mechanism of hydrogen (H₂) in hyperoxia-induced bronchopulmonary dysplasia (BPD), aiming to provide a theoretical foundation for developing effective BPD treatment strategies.
Why These Findings Matter
These findings from a laboratory model add evidence supporting molecular hydrogen's biological and therapeutic potential in the model studied.
How Strong Is This Evidence?
This is laboratory evidence from a in vitro cell-culture laboratory experiment. It is most informative for the biological mechanisms, cellular responses, or biochemical outcomes directly measured.
Technical Study Details
H2HUBB classifies this publication as laboratory study with laboratory or cellular evidence. The research population or model was H₂ was administered to assess its effects on BPD rats, while hydrogen-rich medium was used to treat RLE-6TN cells to evaluate cell viability. The study used a in vitro cell-culture laboratory experiment. The hydrogen delivery method was hydrogen-rich medium. The source-reported hydrogen concentration was 2% source-reported H₂ gas concentration.
Limitations and Safety
No separate limitations or safety findings were identified in the current-study 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.