Molecular hydrogen triggers TRPC4-TRPC4AP-dependent reversible calcium transients via extracellular influx.
Pengxiang Zhao, Han Li, Zisong Cai, Xujuan Zhang, Xiaohu Wen, Ziyi Liu, Shihao Jiang, Xue Jiang, Jiateng Wang, Zheng Dang, Mengyu Liu, Fei Xie, Xuemei Ma · Theranostics · 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 vivo imaging in mice expressing a genetically encoded Ca2+ sensor showed that H₂ inhalation elevated Ca2+ signals in the motor cortex (M1 region) and dorsal skin. 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 C57BL/6 mice. In vivo imaging in mice expressing a genetically encoded Ca2+ sensor showed that H₂ inhalation elevated Ca2+ signals in the motor cortex (M1 region) and dorsal skin.
What the Researchers Studied
The researchers studied C57BL/6 mice. The study used a preclinical animal experiment.
What Effects Did Molecular Hydrogen Have?
Live-cell F-actin staining and a wound healing (scratch) assay were used to assess the effects of H₂ on cell motility. In vivo imaging in mice expressing a genetically encoded Ca2+ sensor showed that H₂ inhalation elevated Ca2+ signals in the motor cortex (M1 region) and dorsal skin. The authors concluded that this study identifies H₂ as a novel gaseous signaling molecule that can regulate Ca2+ channels via the TRPC4-TRPC4AP axis. RATIONALE: Hydrogen gas (H₂) produces pleiotropic therapeutic actions, but the exact molecular targets and ion-channel-based signaling cascades that underlie these benefits remain elusive.
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 C57BL/6 mice. The study used a preclinical animal experiment.
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.