Hydrogen promoted mitochondrial autophagy and alleviated CIH-induced vascular endothelial cell senescence by regulating oxidative stress.
Dongli Li, Qingqing Liu, Xintong Fan, Kerong Qi, Mengfan Sun, Jixian Song, Yajing Guo, Ensheng Ji · European journal of pharmacology · 2025
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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
The results demonstrated that H₂ alleviated CIH-induced vascular endothelial aging by improving the pathological injury of the aorta, alleviating vasodilation dysfunction, decreasing the expression of oxidative stress and aging markers, and increasing the expression of autophagy-related proteins. The authors concluded that these suggest that H₂ can activate mitochondrial autophagy, reduce oxidative stress, and improve the senescence of endothelial cells induced by CIH, providing evidence for the clinical application of H₂ in OSA-related vascular endothelial senescence diseases. 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 molecular hydrogen was evaluated in this publication and summarizes the source-grounded findings below. The results demonstrated that H₂ alleviated CIH-induced vascular endothelial aging by improving the pathological injury of the aorta, alleviating vasodilation dysfunction, decreasing the expression of oxidative stress and aging markers, and increasing the expression of autophagy-related proteins.
What the Researchers Studied
The study used a in vitro cell-culture laboratory experiment.
What Effects Did Molecular Hydrogen Have?
In this study, the researchers aimed to investigate the therapeutic effect of H₂ on OSA-associated vascular endothelial aging by establishing a mouse model induced by CIH and explore the mechanism of H₂ from the perspective of oxidative stress and autophagy. Echocardiography and aortic ring vasodilatory response were employed to assess the impact of H₂ on the aortic function in CIH mice. The results demonstrated that H₂ alleviated CIH-induced vascular endothelial aging by improving the pathological injury of the aorta, alleviating vasodilation dysfunction, decreasing the expression of oxidative stress and aging markers, and increasing the expression of autophagy-related proteins. The authors concluded that these suggest that H₂ can activate mitochondrial autophagy, reduce oxidative stress, and improve the senescence of endothelial cells induced by CIH, providing evidence for the clinical application of H₂ in OSA-related vascular endothelial senescence diseases.
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 study used a in vitro cell-culture laboratory experiment.
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.