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Melatonin ameliorates RF-EMR-induced reproductive damage by inhibiting ferroptosis through Nrf2 pathway activation

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Wang J, Dong J, Xu Q, Yan S, Wang H, Lei H, Ma X, Yang T, Wang K, Li Z, Wang X · 2025

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Melatonin may protect against RF-EMR-induced reproductive damage in male mice by inhibiting ferroptosis through activation of the Nrf2 antioxidant pathway.

Plain English Summary

Summary written for general audiences

This study investigated whether melatonin could protect against reproductive damage caused by radiofrequency electromagnetic radiation (RF-EMR) exposure in male mice. The researchers found that 8 weeks of RF-EMR exposure (2.45 GHz) induced ferroptosis and oxidative stress in testicular tissue, reducing sperm quality, but melatonin administration mitigated these effects by activating the Nrf2 signaling pathway.

Why This Matters

Ferroptosis is an iron-dependent form of regulated cell death distinct from apoptosis, increasingly studied as a mechanism of cellular damage from oxidative stress. The Nrf2 pathway is a well-established cellular defense mechanism that regulates antioxidant response genes.

Exposure Information

Specific exposure levels were not quantified in this study.

Cite This Study
Wang J, Dong J, Xu Q, Yan S, Wang H, Lei H, Ma X, Yang T, Wang K, Li Z, Wang X (2025). Melatonin ameliorates RF-EMR-induced reproductive damage by inhibiting ferroptosis through Nrf2 pathway activation.
Show BibTeX
@article{wang_j_dong_j_xu_q_yan_s_wang_h_lei_h_ma_x_yang_t_wang_k_li_z_wang_x_ce2636,
  author = {Wang J and Dong J and Xu Q and Yan S and Wang H and Lei H and Ma X and Yang T and Wang K and Li Z and Wang X},
  title = {Melatonin ameliorates RF-EMR-induced reproductive damage by inhibiting ferroptosis through Nrf2 pathway activation},
  year = {2025},
  
  
}
PubMed: 40344840

Quick Questions About This Study

Yes, this 2025 mouse study found melatonin protected sperm quality against 2.45 GHz radiofrequency exposure. Melatonin activated the Nrf2 pathway, a cellular defense system that fights oxidative stress. What this means for you: melatonin supplementation may help offset reproductive damage from RF-EMR exposure, though human studies are still needed.
The evidence shows yes. Eight weeks of 2.45 GHz exposure, the same frequency used by WiFi and microwave ovens, triggered ferroptosis (iron-dependent cell death) in mouse testicular tissue. This process damaged sperm quality through oxidative stress, highlighting a specific cellular mechanism behind RF-EMR reproductive harm.
In this study, 8 weeks of continuous 2.45 GHz radiofrequency exposure was enough to reduce sperm quality in male mice. The researchers linked this timeframe to measurable increases in oxidative stress and ferroptosis in testicular tissue, suggesting sustained exposure duration matters for reproductive risk.
Nrf2 is your body's master antioxidant switch, activating genes that neutralize cellular damage. This study found that RF-EMR exposure suppressed Nrf2 activity in testicular tissue, while melatonin restored it. Put simply, supporting this pathway may be key to reducing radiofrequency-induced reproductive harm.
This 2025 mouse study demonstrates that 2.45 GHz RF-EMR exposure, similar to frequencies used in WiFi and some phone technologies, reduced sperm quality by inducing oxidative stress and ferroptosis in testicular tissue. The reality is these biological effects were measurable, though melatonin significantly reduced the damage.