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Kinetic study on the effects of extremely low frequency electromagnetic field on catalase, cytochrome P450 and inducible nitric oxide synthase in human HaCaT and THP-1 cell lines.

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Patruno A, Tabrez S, Amerio P, Pesce M, Vianale G, Franceschelli S, Grilli A, Kamal MA, Reale M · 2011

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50 Hz electromagnetic fields altered key protective enzymes in human cells, suggesting EMFs can interfere with cellular repair mechanisms.

Plain English Summary

Summary written for general audiences

Researchers exposed human skin and immune cells to 50 Hz electromagnetic fields for 25 hours. The EMFs altered three key enzymes that protect cells from damage and control inflammation. These findings reveal new ways EMFs interact with cellular repair systems, potentially affecting wound healing and neurodegenerative diseases.

Why This Matters

This study adds important mechanistic evidence to our understanding of how extremely low frequency EMFs interact with cellular systems. The researchers focused on enzymes that are fundamental to cellular health - catalase protects against oxidative damage, cytochrome P450 processes toxins, and nitric oxide synthase regulates inflammation. What makes this research particularly relevant is that 50 Hz is the exact frequency of electrical power systems in most of the world. The 1 mT exposure level used here is significantly higher than typical household exposures (which range from 0.1-4 microtesla), but it's within the range you might encounter near power lines or electrical equipment. The fact that EMFs can alter these critical enzymatic processes suggests our cells are responding to electromagnetic exposures in ways that could affect their ability to repair damage and manage inflammation - two processes central to aging and disease development.

Exposure Details

Magnetic Field
1 mG
Source/Device
50 Hz
Exposure Duration
25 h

Exposure Context

This study used 1 mG for magnetic fields:

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 ContextStudy Exposure Level in ContextThis study: 1 mGExtreme Concern - 5 mGFCC Limit - 2,000 mGEffects observed in the Severe Concern rangeFCC limit is 2,000x higher than this level
A logarithmic frequency spectrum from 10 Hz to 100 GHz showing where this study's 50 Hz exposure sits relative to common EMF sources.Where This Frequency Sits on the EMF SpectrumELFVLFLF / MFHF / VHFUHFSHFmm10 Hz100 GHzThis study: 50 HzCell phones~1 GHzWiFi2.4 GHz5G mm28 GHzLogarithmic scale

Study Details

The aim of this study was to estimate various kinetic constants of catalase, cytochrome P450 and inducible nitric oxide synthase in response to ELF-EMF exposure in human HaCaT and THP-1 cell lines.

In order to evaluate the effect of ELF-EMF on the modulation of cellular responses to an inflammator...

To the best of our knowledge there is no available report on such type of kinetic study of selected ...

Cite This Study
Patruno A, Tabrez S, Amerio P, Pesce M, Vianale G, Franceschelli S, Grilli A, Kamal MA, Reale M (2011). Kinetic study on the effects of extremely low frequency electromagnetic field on catalase, cytochrome P450 and inducible nitric oxide synthase in human HaCaT and THP-1 cell lines. CNS Neurol Disord Drug Targets. 10(8):936-944, 2011.
Show BibTeX
@article{a_2011_kinetic_study_on_the_439,
  author = {Patruno A and Tabrez S and Amerio P and Pesce M and Vianale G and Franceschelli S and Grilli A and Kamal MA and Reale M},
  title = {Kinetic study on the effects of extremely low frequency electromagnetic field on catalase, cytochrome P450 and inducible nitric oxide synthase in human HaCaT and THP-1 cell lines. },
  year = {2011},
  
  url = {https://pubmed.ncbi.nlm.nih.gov/22229327/},
}
PubMed: 22229327

Cited By (15 papers)

Quick Questions About This Study

Yes, research shows 50 Hz electromagnetic fields can alter key cellular enzymes. A 2011 study found that 25-hour exposure changed three important enzymes in human skin and immune cells that protect against damage and control inflammation.
Research suggests 50 Hz EMF may affect wound healing by altering cellular enzymes. Scientists found these fields changed enzyme activity in human skin cells, potentially influencing the body's natural repair mechanisms and tissue regeneration processes.
Studies indicate 50 Hz frequency can affect immune cell function. Research on human immune cells showed that exposure altered enzyme systems responsible for cellular protection and inflammation control, revealing new biological interaction mechanisms.
Research suggests 50 Hz EMF may influence neurodegenerative diseases by affecting cellular enzymes. Scientists found these fields altered enzyme systems in ways that could impact conditions like Parkinson's and Alzheimer's diseases, though more research is needed.
50 Hz electromagnetic fields can alter cellular enzyme activity in human cells. Research shows 25-hour exposure changes three key enzymes involved in cellular protection and inflammation, potentially affecting wound healing and neurodegenerative disease processes.