Hydrogen Nanobubbles Inhibit Oxidative Stress and Myocardial Fibrosis to Reverse Chemotherapy-Induced Myocardial Injury.
Tao Xie, Na Li, Xin Hu, Hang Liu, Yichao Liu, Yan Zhang, Chengzeng Wang, Lin Liu · ACS applied materials & interfaces · 2026
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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 mice, rOS fluorescence staining and flow cytometry showed that HNBs significantly reduced Dox-induced ROS increases. 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 molecular hydrogen affected the outcomes measured in mice. ROS fluorescence staining and flow cytometry showed that HNBs significantly reduced Dox-induced ROS increases.
What the Researchers Studied
The researchers studied mice. The study used a preclinical animal experiment.
What Effects Did Molecular Hydrogen Have?
To address this, a hydrogen delivery system, hydrogen nanobubbles (HNBs), was constructed, leveraging hydrogen's selective antioxidant and antifibrotic properties to counteract doxorubicin (Dox)-induced myocardial injury and explore its mechanism. The average hydrogen content of HNBs measured by chemical titration was about 1.9 mg/L. TEM revealed spherical HNBs with a dense outer lipid polymer layer encapsulating hydrogen. ROS fluorescence staining and flow cytometry showed that HNBs significantly reduced Dox-induced ROS increases. The authors concluded that in vivo fluorescence imaging of mice showed that HNBs could accumulate in the myocardium in large quantities at 1 h. mRNA-seq and network pharmacology suggested that HNBs inhibit myocardial fibrosis.
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 mice. The study used a preclinical animal 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.