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Investigation of the effects of distance from sources on apoptosis, oxidative stress and cytosolic calcium accumulation via TRPV1 channels induced by mobile phones and Wi-Fi in breast cancer cells.

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Çiğ B, Nazıroğlu M. · 2015

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EMF sources within 10 centimeters triggered cellular damage in breast cancer cells, while the same sources beyond 20 centimeters showed no harmful effects.

Plain English Summary

Summary written for general audiences

Researchers exposed breast cancer cells to radiation from mobile phones (900 and 1800 MHz) and Wi-Fi (2450 MHz) at various distances to see how proximity affected cellular damage. They found that radiation sources placed within 10 centimeters of the cells triggered harmful effects including oxidative stress, cell death, and calcium overload, while sources placed 20-25 centimeters away showed no significant effects. This suggests that distance from EMF sources matters significantly for cellular protection.

Why This Matters

This study provides important evidence that distance is a critical factor in EMF exposure effects. The finding that harmful cellular responses occurred only when sources were within 10 centimeters demonstrates the inverse square law in action - EMF intensity drops dramatically with distance. What makes this research particularly relevant is that it used frequencies identical to those emitted by our everyday devices: cell phone signals at 900 and 1800 MHz, and Wi-Fi at 2450 MHz. The study's focus on breast cancer cells and the specific biological pathways involved (TRPV1 calcium channels) adds to our understanding of how EMF exposure might influence cancer cell behavior. While this was conducted on isolated cells rather than living tissue, the clear distance-dependent effects align with the precautionary principle that many EMF researchers advocate.

Exposure Information

A logarithmic frequency spectrum from 10 Hz to 100 GHz showing where this study's 2.45 GHz exposure sits relative to common EMF sources.Where This Frequency Sits on the EMF SpectrumELFVLFLF / MFHF / VHFUHFSHFmm10 Hz100 GHzThis study: 2.45 GHzPower lines50/60 Hz5G mm28 GHzLogarithmic scale

Specific exposure levels were not quantified in this study. The study examined exposure from: 900, 1800 and 2450 MHz Duration: 1 hour

Study Details

We aimed to investigate the effects of distance from sources on calcium signaling, cytosolic ROS production, cell viability, apoptosis, plus caspase-3 and -9 values induced by mobile phones and Wi-Fi in breast cancer cells MCF-7 human breast cancer cell lines were divided into A, B, C and D groups as control, 900, 1800 and 2450 MHz groups, respectively.

Cells in Group A were used as control and were kept in cell culture conditions without EMR exposure....

The cytosolic ROS production, Ca2+ concentrations, apoptosis, caspase-3 and caspase-9 values were hi...

Cite This Study
Çiğ B, Nazıroğlu M. (2015). Investigation of the effects of distance from sources on apoptosis, oxidative stress and cytosolic calcium accumulation via TRPV1 channels induced by mobile phones and Wi-Fi in breast cancer cells. Biochim Biophys Acta. 2015 Feb 19. pii: S0005-2736(15)00053-X. doi: 10.1016/j.bbamem.2015.02.013.
Show BibTeX
@article{b_2015_investigation_of_the_effects_1986,
  author = {Çiğ B and Nazıroğlu M.},
  title = {Investigation of the effects of distance from sources on apoptosis, oxidative stress and cytosolic calcium accumulation via TRPV1 channels induced by mobile phones and Wi-Fi in breast cancer cells.},
  year = {2015},
  
  url = {https://pubmed.ncbi.nlm.nih.gov/25703814/},
}
PubMed: 25703814

Cited By (71 papers)

View all 71 citing papers on Semantic Scholar

Quick Questions About This Study

Yes, distance significantly affects how WiFi radiation impacts breast cancer cells. A 2015 study found that 2450 MHz WiFi signals placed within 10 centimeters of breast cancer cells caused oxidative stress and cell death, while sources 20-25 centimeters away showed no harmful effects.
Cell phone radiation becomes harmful to breast cancer cells when sources are within 10 centimeters. Research on 900 MHz and 1800 MHz frequencies showed that distances closer than 10 cm triggered cellular damage, while 20-25 cm distances produced no significant effects.
EMF exposure can worsen breast cancer cells through TRPV1 channels when sources are close. A 2015 study found that mobile phone and WiFi radiation within 10 cm activated TRPV1 channels, causing calcium overload and increased cell death in breast cancer cells.
Mobile phone frequencies of 900 MHz and 1800 MHz, plus WiFi at 2450 MHz, cause oxidative stress in breast cancer cells when positioned within 10 centimeters. These frequencies triggered harmful cellular responses including increased reactive oxygen species production and cell death.
Yes, keeping phones 25 centimeters away appears protective for breast cancer cells. Research showed no statistically significant cellular damage occurred when 900 MHz and 1800 MHz radiation sources were placed 20-25 cm from breast cancer cells, compared to harmful effects at closer distances.