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Effects of acute and chronic exposure to both 900 MHz and 2100 MHz electromagnetic radiation on glutamate receptor signaling pathway.

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Gökçek-Saraç Ç, Er H, Kencebay Manas C, Kantar Gok D, Özen Ş, Derin N. · 2017

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Chronic wireless radiation exposure affects brain chemistry more than acute exposure, with 3G frequencies showing stronger effects than 2G.

Plain English Summary

Summary written for general audiences

Researchers exposed rats to cell phone radiation at 900 MHz and 2100 MHz frequencies for either 1 week or 10 weeks, then examined changes in brain enzymes involved in memory and learning. They found that longer exposure (10 weeks) caused more significant changes than shorter exposure (1 week), and that 2100 MHz radiation (used by 3G networks) had stronger effects than 900 MHz radiation (used by 2G networks). This suggests that both the duration of exposure and the specific frequency matter when it comes to how wireless radiation affects the brain.

Why This Matters

This study adds important nuance to our understanding of how wireless radiation affects the brain. The researchers found that both exposure duration and frequency matter - chronic exposure over 10 weeks produced more pronounced changes in brain enzymes than acute exposure over just one week. Perhaps more significantly, they discovered that 2100 MHz radiation (commonly used in 3G networks) had stronger effects than 900 MHz radiation (used in older 2G systems). This frequency-dependent response challenges the wireless industry's position that all non-ionizing radiation below heating thresholds is equally safe. The enzymes affected in this study play crucial roles in memory formation and learning, which means these changes could potentially impact cognitive function. What this means for you is that the duration of your daily wireless device use and the specific technologies you're using both matter when it comes to potential brain effects.

Exposure Information

A logarithmic frequency spectrum from 10 Hz to 100 GHz showing where this study's 2.10 GHz exposure sits relative to common EMF sources.Where This Frequency Sits on the EMF SpectrumELFVLFLF / MFHF / VHFUHFSHFmm10 Hz100 GHzThis study: 2.10 GHzPower lines50/60 Hz5G mm28 GHzLogarithmic scale

Specific exposure levels were not quantified in this study. The study examined exposure from: 900 and 2100 MHz Duration: 2 h/day for acute (1 week) or chronic (10 weeks)

Study Details

To demonstrate the molecular effects of acute and chronic exposure to both 900 and 2100 MHz radiofrequency electromagnetic radiation (RF-EMR) on the hippocampal level/activity of some of the enzymes - including PKA, CaMKIIα, CREB, and p44/42 MAPK - from N-methyl-D-aspartate receptor (NMDAR)-related signaling pathways.

Rats were divided into the following groups: sham rats, and rats exposed to 900 and 2100 MHz RF-EMR ...

The obtained results revealed that the hippocampal level/activity of selected enzymes was significan...

The present study provides experimental evidence that both exposure duration (1 week versus 10 weeks) and different carrier frequencies (900 vs. 2100 MHz) had different effects on the protein expression of hippocampus in Wistar rats, which might encourage further research on protection against RF-EMR exposure.

Cite This Study
Gökçek-Saraç Ç, Er H, Kencebay Manas C, Kantar Gok D, Özen Ş, Derin N. (2017). Effects of acute and chronic exposure to both 900 MHz and 2100 MHz electromagnetic radiation on glutamate receptor signaling pathway. Int J Radiat Biol. 93(9):980-989, 2017.
Show BibTeX
@article{c_2017_effects_of_acute_and_2118,
  author = {Gökçek-Saraç Ç and Er H and Kencebay Manas C and Kantar Gok D and Özen Ş and Derin N.},
  title = {Effects of acute and chronic exposure to both 900 MHz and 2100 MHz electromagnetic radiation on glutamate receptor signaling pathway.},
  year = {2017},
  
  url = {https://pubmed.ncbi.nlm.nih.gov/28565929/},
}
PubMed: 28565929

Cited By (14 papers)

Quick Questions About This Study

Yes, 2100 MHz radiation (used in 3G networks) causes stronger effects on brain enzymes than 900 MHz radiation (2G networks). A 2017 study found that both frequencies affected memory-related enzymes in the hippocampus, but 2100 MHz produced significantly greater changes in brain chemistry.
Brain enzyme changes occur within one week of cell phone radiation exposure, but become significantly stronger after 10 weeks. Research on rats showed that chronic exposure (10 weeks) to both 900 MHz and 2100 MHz frequencies caused greater hippocampal enzyme changes than acute exposure (1 week).
The hippocampus, your brain's memory center, shows the strongest response to cell phone radiation. A 2017 study found that both 900 MHz and 2100 MHz frequencies significantly altered enzyme levels in this critical brain region responsible for learning and memory formation.
Yes, 3G frequencies (2100 MHz) produce stronger brain effects than 2G frequencies (900 MHz). Research found that 2100 MHz radiation caused significantly higher enzyme activity in the hippocampus compared to 900 MHz, suggesting that newer phone technologies may have greater biological impact.
Chronic cell phone radiation exposure significantly increases glutamate receptor-related enzyme activity in the brain's memory center. A 10-week study showed that both 900 MHz and 2100 MHz frequencies elevated hippocampal enzyme levels, with longer exposure durations producing more pronounced effects than shorter exposures.