Hydrogen alleviates hypoxic-ischaemic brain damage in neonatal rats by inhibiting injury of brain pericytes.
Hui Li, Hao Sun, Shiping Li, Lingyi Huang, Mingfu Zhang, Shaopu Wang, Qian Liu, Junjie Ying, Fengyan Zhao, Xiaojuan Su, Dezhi Mu, Yi Qu · Journal of cellular and molecular medicine · 2024
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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
In rats, HRW treatment decreased DAPI/PI/β‐PDGFR and β‐PDGFR/ROS‐positive cells while increasing the β‐PDGFR/SOD‐positive cells, indicating that HRW attenuated HI‐induced oxidative stress injury in pericytes (Figure 1B–D ). These preclinical findings add evidence about the molecular-hydrogen effects, outcomes, and biological pathways measured in this model.
What the Findings Mean
H2HUBB reviewed how hydrogen-rich water affected the outcomes measured in rats. HRW treatment decreased DAPI/PI/β‐PDGFR and β‐PDGFR/ROS‐positive cells while increasing the β‐PDGFR/SOD‐positive cells, indicating that HRW attenuated HI‐induced oxidative stress injury in pericytes (Figure 1B–D ).
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: 1000 µM H₂ (≈2.02 mg/L); Source-reported hydrogen exposure: 1000 µM H₂ (≈2.02 mg/L). HRW treatment decreased DAPI/PI/β‐PDGFR and β‐PDGFR/ROS‐positive cells while increasing the β‐PDGFR/SOD‐positive cells, indicating that HRW attenuated HI‐induced oxidative stress injury in pericytes (Figure 1B–D ). The authors concluded that mechanistically, H₂ can decrease oxidative stress in pericytes after HI, in addition to a canonical mechanism, perhaps by inducing the Nrf2‐HO‐1 pathway. Rats were treated with different doses of hydrogen-rich water (HRW), and brain pericyte oxidative stress damage, cerebrovascular function and brain tissue damage were assessed.
Why These Findings Matter
This publication adds useful evidence about where molecular hydrogen did and did not change the measured outcomes, helping define the larger therapeutic evidence base.
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 hydrogen-rich water. The source-reported hydrogen concentration was 1000 µM H₂ (≈2.02 mg/L). The source-reported hydrogen exposure was 1000 µM H₂ (≈2.02 mg/L).
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.