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900 MHz modulated electromagnetic fields accelerate the clathrin-mediated endocytosis pathway.

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Moisescu MG, Leveque P, Verjus MA, Kovacs E, Mir LM. · 2009

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Cell phone radiation altered fundamental cellular processes in mouse cells, specifically accelerating how cells absorb substances from their environment.

Plain English Summary

Summary written for general audiences

French researchers exposed mouse cells to 900 MHz cell phone radiation and found it accelerated endocytosis, the process cells use to absorb nutrients and other substances. This suggests cell phone signals can alter fundamental cellular functions at the molecular level, potentially affecting how cells process essential materials.

Why This Matters

This study reveals something significant about how cell phone radiation affects cells at the most basic level. Endocytosis is a fundamental cellular process that controls how cells absorb everything from nutrients to signaling molecules. When this process is disrupted or accelerated, it can affect cellular function in ways we're only beginning to understand. The researchers used a SAR level of 3.2 W/kg, which is higher than typical phone use (around 1.6 W/kg maximum) but within ranges that can occur during heavy use or poor signal conditions. What makes this research particularly compelling is that the scientists carefully controlled for temperature effects and identified the specific molecular pathway involved. This isn't just cellular stress - it's a targeted biological response to modulated electromagnetic fields. The reality is that our cells are responding to these signals in measurable, reproducible ways, and we need to take that seriously when considering the long-term implications of our wireless technology use.

Exposure Details

SAR
3.2 W/kg
Source/Device
900 MHz

Exposure Context

This study used 3.2 W/kg for SAR (device absorption):

Building Biology guidelines are practitioner-based limits from real-world assessments. BioInitiative Report recommendations are based on peer-reviewed science. Check Your Exposure to compare your own measurements.

Where This Falls on the Concern Scale

Study Exposure Level in ContextA logarithmic scale showing exposure levels relative to Building Biology concern thresholds and regulatory limits.Study Exposure Level in ContextThis study: 3.2 W/kgExtreme Concern0.1 W/kgFCC Limit1.6 W/kgEffects observed in the Extreme Concern range (Building Biology)FCC limit is 1x higher than this exposure level

Study Details

To study 900 MHz modulated electromagnetic fields accelerate the clathrin-mediated endocytosis pathway

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Cite This Study
Moisescu MG, Leveque P, Verjus MA, Kovacs E, Mir LM. (2009). 900 MHz modulated electromagnetic fields accelerate the clathrin-mediated endocytosis pathway. Bioelectromagnetics30(3):222-230,2009.
Show BibTeX
@article{mg_2009_900_mhz_modulated_electromagnetic_1207,
  author = {Moisescu MG and Leveque P and Verjus MA and Kovacs E and Mir LM.},
  title = {900 MHz modulated electromagnetic fields accelerate the clathrin-mediated endocytosis pathway.},
  year = {2009},
  
  url = {https://pubmed.ncbi.nlm.nih.gov/19072782/},
}

Quick Questions About This Study

French researchers exposed mouse cells to 900 MHz cell phone radiation and found it accelerated endocytosis, the process cells use to absorb nutrients and other substances. This suggests cell phone signals can alter fundamental cellular functions at the molecular level, potentially affecting how cells process essential materials.