Hydrogen Gas: A Novel Type of Antioxidant in Modulating Sexual Organs Homeostasis.
Yaxing Zhang, Haimei Liu, Jinwen Xu, Shuhui Zheng, Lequan Zhou · Oxidative medicine and cellular longevity · 2021
Research-use notice
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
This narrative review examined the available molecular-hydrogen literature. The protective effect of H₂ on sperm motility was further confirmed by human sperm in vitro; it improved sperm motility of experimentally damaged sperm suspensions from patients left at room temperature for >5 days or frozen immediately after ejaculation, and increased mitochondrial membrane potential; however, H₂ treatment did not affect sperm swimming speed [ 86 ]. The reviewed evidence adds support for molecular hydrogen's therapeutic potential across the conditions, mechanisms, or outcomes examined.
What the Findings Mean
H2HUBB reviewed this publication as a synthesis of molecular-hydrogen research and summarizes the outcomes emphasized by the authors. The protective effect of H₂ on sperm motility was further confirmed by human sperm in vitro; it improved sperm motility of experimentally damaged sperm suspensions from patients left at room temperature for >5 days or frozen immediately after ejaculation, and increased mitochondrial membrane potential; however, H₂ treatment did not affect sperm swimming speed [ 86 ].
What the Researchers Studied
The authors reviewed hydrogen Gas: A Novel Type of Antioxidant in Modulating Sexual Organs Homeostasis.
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. The protective effect of H₂ on sperm motility was further confirmed by human sperm in vitro; it improved sperm motility of experimentally damaged sperm suspensions from patients left at room temperature for >5 days or frozen immediately after ejaculation, and increased mitochondrial membrane potential; however, H₂ treatment did not affect sperm swimming speed [ 86 ]. The authors concluded that another clinical trial in Japan indicated that curcumin can activate carbohydrate colonic fermentation in human, thereby increasing the concentration of breath H₂ [ 142 ].
Why These Findings Matter
The reviewed evidence adds support for molecular hydrogen's therapeutic potential across the conditions, mechanisms, or outcomes examined.
How Strong Is This Evidence?
This is review or synthesis evidence (narrative review).
Technical Study Details
H2HUBB classifies this publication as narrative review with review or synthesis evidence. The study used a narrative review. The hydrogen delivery method was hydrogen-rich water. 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 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.