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The effect of exposure to 1800 MHz radiofrequency radiation on epidermal growth factor, caspase-3, Hsp27 and p38MAPK gene expressions in the rat eye

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Authors not listed · 2018

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Rat eye cells activated stress-response genes when exposed to cell phone frequency radiation, suggesting cellular damage recognition.

Plain English Summary

Summary written for general audiences

Researchers exposed female rats to 1800 MHz radiofrequency radiation (similar to cell phone frequencies) for 2 hours daily over 8 weeks and examined gene activity in their eye tissues. They found that two stress-response genes, caspase-3 and p38MAPK, were significantly activated, indicating the eye cells recognized the RF radiation as a harmful stressor. This suggests that prolonged exposure to cell phone-type radiation may cause cellular damage in eye tissues.

Why This Matters

This study adds important evidence to growing concerns about RF radiation's effects on eye health. The 1800 MHz frequency tested is identical to what many cell phones use, and the exposure duration mirrors typical daily phone usage patterns. What makes these findings particularly significant is that the researchers detected cellular stress responses in eye tissues at relatively low power levels (0.06 W/kg SAR). The activation of caspase-3, a gene involved in programmed cell death, and p38MAPK, which responds to cellular stress and inflammation, suggests that even moderate RF exposure triggers protective mechanisms in eye cells. This biological response indicates the cells are working to defend against perceived damage. Given that many people hold phones close to their faces for hours daily, and that eye tissues are particularly vulnerable due to their limited blood flow and repair capacity, these findings warrant serious attention from both researchers and the public.

Exposure Information

A logarithmic frequency spectrum from 10 Hz to 100 GHz showing where this study's 1800 MHz exposure sits relative to common EMF sources.Where This Frequency Sits on the EMF SpectrumELFVLFLF / MFHF / VHFUHFSHFmm10 Hz100 GHzThis study: 1800 MHzPower lines50/60 Hz5G mm28 GHzLogarithmic scale

Specific exposure levels were not quantified in this study.

Cite This Study
Unknown (2018). The effect of exposure to 1800 MHz radiofrequency radiation on epidermal growth factor, caspase-3, Hsp27 and p38MAPK gene expressions in the rat eye.
Show BibTeX
@article{the_effect_of_exposure_to_1800_mhz_radiofrequency_radiation_on_epidermal_growth_factor_caspase_3_hsp27_and_p38mapk_gene_expressions_in_the_rat_eye_ce2751,
  author = {Unknown},
  title = {The effect of exposure to 1800 MHz radiofrequency radiation on epidermal growth factor, caspase-3, Hsp27 and p38MAPK gene expressions in the rat eye},
  year = {2018},
  doi = {10.4149/BLL_2018_106},
  
}

Quick Questions About This Study

The study found that 1800 MHz RF radiation activated stress-response genes caspase-3 and p38MAPK in rat eye tissues, indicating cellular recognition of damage. This frequency matches many cell phone operating frequencies.
Rats were exposed to 1800 MHz radiation for 2 hours daily over 8 weeks before researchers detected significant gene expression changes in eye tissues, suggesting cumulative effects from chronic exposure.
The study used 0.06 W/kg SAR, which is relatively low compared to cell phone limits. This suggests even moderate RF exposure levels can trigger stress responses in eye tissues.
Caspase-3 is involved in programmed cell death pathways. Its upregulation in RF-exposed rat eyes suggests cells may be initiating protective death responses to prevent further damage from radiation exposure.
p38MAPK responds to cellular stress and inflammation. Its activation in RF-exposed rat eyes indicates cells recognized the electromagnetic radiation as a stressor requiring defensive biological responses.