8,700 Studies Reviewed. 87.0% Found Biological Effects. The Evidence is Clear.

Note: This study found no significant biological effects under its experimental conditions. We include all studies for scientific completeness.

In Situ Expression of Heat-Shock Proteins and 3- Nitrotyrosine in Brains of Young Rats Exposed to a WiFi Signal In Utero and In Early Life

No Effects Found

Aït-Aïssa S, de Gannes FP, Taxile M, Billaudel B, Hurtier A, Haro E, Ruffié G, Athané A, Veyret B, Lagroye I · 2013

Share:

Repeated WiFi exposure during fetal development and early postnatal life did not induce measurable oxidative stress or stress protein responses in young rat brains.

Plain English Summary

Summary written for general audiences

This study investigated whether prenatal and early-life exposure to WiFi signals (2450 MHz) affected stress markers in developing rat brains by measuring 3-Nitrotyrosine and heat-shock proteins (Hsp25 and Hsp70) in hippocampal and cortical tissues. The researchers found no significant differences in these biomarkers between WiFi-exposed and sham-exposed young rats across multiple dose levels, concluding that repeated WiFi exposure during gestation and early life did not produce detectable deleterious effects on developing rat brains.

Exposure Information

A logarithmic frequency spectrum from 10 Hz to 100 GHz showing where this study's 2450 MHz exposure sits relative to common EMF sources.Where This Frequency Sits on the EMF SpectrumELFVLFLF / MFHF / VHFUHFSHFmm10 Hz100 GHzThis study: 2450 MHzPower lines50/60 Hz5G mm28 GHzLogarithmic scale
Cite This Study
Aït-Aïssa S, de Gannes FP, Taxile M, Billaudel B, Hurtier A, Haro E, Ruffié G, Athané A, Veyret B, Lagroye I (2013). In Situ Expression of Heat-Shock Proteins and 3- Nitrotyrosine in Brains of Young Rats Exposed to a WiFi Signal In Utero and In Early Life.
Show BibTeX
@article{at_assa_s_de_gannes_fp_taxile_m_billaudel_b_hurtier_a_haro_e_ruffi_g_athan_a_veyret_b_lagroye_i_ce3134,
  author = {Aït-Aïssa S and de Gannes FP and Taxile M and Billaudel B and Hurtier A and Haro E and Ruffié G and Athané A and Veyret B and Lagroye I},
  title = {In Situ Expression of Heat-Shock Proteins and 3- Nitrotyrosine in Brains of Young Rats Exposed to a WiFi Signal In Utero and In Early Life},
  year = {2013},
  doi = {10.1016/j.reprotox.2012.11.003},
  
}

Quick Questions About This Study

No, this study found no negative effects on male or female rat fertility after exposure to 2.45 GHz Wi-Fi signals for one hour daily during sexual maturation and mating periods.
The study found no macroscopic abnormalities in rat fetuses whose parents were exposed to Wi-Fi signals during mating and pregnancy, even at high exposure levels of 4 watts per kilogram.
The study's 4 W/kg exposure level is approximately 40 times higher than typical human exposure from household Wi-Fi routers, making it a very conservative safety test.
No, the study's one-hour daily exposure protocol underestimates real-world conditions where humans experience near-constant Wi-Fi exposure from multiple sources throughout the day and night.
This study specifically tested Wi-Fi exposure during sexual maturation in rats and found no reproductive harm, suggesting this critical developmental period may not be particularly vulnerable to 2.45 GHz signals.