Hydrogen Therapy Patch Reverses Age-Related Testicular Decline in Mice

An intrascrotal bioadhesive nanoplatform for sustained hydrogen delivery ameliorates age-associated testicular dysfunction

Research hubs: Reproductive System · Endocrine System

Authors
Shu Liang, Jiawei Lv, Zun Li, Zheng Li, Jiachun Jiang, Shaoqing Yu, Cheng Wang, Xiongjun Wang, Lingyun Xiao, Guanzhen Yu
Journal
Materials Today Bio
Year
2026
DOI
10.1016/j.mtbio.2026.103732
Study Type
Mouse
Outcome
Positive
Peer Reviewed
Yes
Country
China
Health Condition
Testicular Aging
Body System
Reproductive

TL;DR

A sustained hydrogen-releasing system reduced age-related testicular degeneration and improved sperm production in aged mice, potentially by enhancing metabolic support from Sertoli cells.

Key Finding

A sustained-release hydrogen nanoplatform injected near the testes reduced age-related testicular degeneration and improved spermatogenesis in aged mice by stabilizing HIF-1α and boosting the metabolic activity of sperm-supporting Sertoli cells.

Summary

This mouse study tested a new way to deliver molecular hydrogen directly to testicular tissue using tiny silicon particles embedded in a sticky gel injected near the testes. Researchers wanted to address the problem that hydrogen gas normally dissipates too quickly to have a lasting effect. The system slowly released hydrogen over time, which reduced signs of age-related testicular decline and improved sperm production in older mice. The researchers found this worked partly by activating a cellular pathway (HIF-1α signaling) that helps Sertoli cells — the cells that support sperm development — produce more energy through a process called glycolysis (breaking down glucose for fuel).

Practical Takeaway

This is early-stage animal research involving a specialized injectable nanoparticle system — it has no direct application to hydrogen water consumption. However, it adds to the evidence suggesting that molecular hydrogen may support male reproductive health by reducing oxidative stress, and it highlights that delivery method matters significantly for hydrogen's effectiveness.

Abstract (excerpt)

Testicular aging is characterized by progressive spermatogenic decline. Accumulating oxidative injury and insufficient metabolic support from Sertoli cells may contribute to this process. Although molecular hydrogen has shown antioxidant potential, its therapeutic application in reproductive aging…

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