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📰 27.5 GHz 5G exposure from birth triggers skin inflammation and mast cell changes in mice

June 9, 2026 (EMFS)
Jun 8, 2026 (original)
Source: Sci Rep
Source category: Research
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A Scientific Reports study reports that newborn mice exposed to 27.5 GHz millimeter waves (5G FR2 band) for 21 days showed no visible skin damage, but molecular analysis revealed significant changes in inflammation-related gene expression and mast cell degranulation. The EU Horizon Europe-funded study also found reduced cutaneous glutamate levels in wild-type mice, suggesting a subtle homeostatic shift in the skin microenvironment.

"These findings show that 27.5 GHz exposure induces coordinated changes in cutaneous inflammatory pathways and mast cell-mediated homeostasis without detectable structural damage."

— Francesca Palone et al.

Exposure

"Patched1- heterozygous knockout and wild-type CD1 mice were exposed from birth to weaning (P21), 23 h per day, in 10-minute ON/5-minute OFF cycles, at two power densities (6.67 and 20 W/m²)."

— Francesca Palone et al.

Source

Early-life exposure to 27.5 GHz 5G millimeter-wave radiation induces skin-related biological responses in mice. pubmed.ncbi.nlm.nih.gov

📄 Underlying Research

Early-life exposure to 27.5 GHz 5G millimeter-wave radiation induces skin-related biological responses in mice.

Francesca Palone et al. (2026) Scientific reports Journal Level Xⓘ

🔗 DOI 📚 PubMed

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