8,700 Studies Reviewed. 87.0% Found Biological Effects. The Evidence is Clear.
Shield Your Body
Immune System

Alterations in adenylate kinase activity in human PBMCs after in vitro exposure to electromagnetic field: comparison between extremely low frequency electromagnetic field (ELF) and therapeutic application of a musically modulated electromagnetic fiel

Bioeffects Seen

Authors not listed · 2009

Share:

100 Hz electromagnetic fields increased energy enzyme activity in human immune cells, indicating cellular stress responses to power-frequency EMF exposure.

Plain English Summary

Summary written for general audiences

Researchers exposed human blood immune cells to two types of electromagnetic fields: standard 100 Hz extremely low frequency (ELF) fields and therapeutic musically modulated fields (TAMMEFs). The ELF exposure increased activity of adenylate kinase, an enzyme crucial for cellular energy balance, while the therapeutic fields slightly decreased it.

Why This Matters

This study reveals that even low-frequency electromagnetic fields can alter fundamental cellular processes in human immune cells. The fact that 100 Hz ELF fields increased adenylate kinase activity suggests these exposures are triggering cellular stress responses - the cells are working harder to maintain energy balance. What makes this particularly relevant is that 100 Hz falls squarely within the range of power line frequencies and electrical device harmonics we encounter daily. While the researchers frame the adenylate kinase increase as potentially beneficial for cellular equilibrium, the reality is that forcing cells to work harder to maintain basic functions indicates biological disruption. The comparison with therapeutic modulated fields, which had the opposite effect, underscores how frequency characteristics matter tremendously in EMF bioeffects.

Exposure Information

A logarithmic frequency spectrum from 10 Hz to 100 GHz showing where this study's 100 Hz exposure sits relative to common EMF sources.Where This Frequency Sits on the EMF SpectrumELFVLFLF / MFHF / VHFUHFSHFmm10 Hz100 GHzThis study: 100 HzCell phones~1 GHzWiFi2.4 GHz5G mm28 GHzLogarithmic scale

Specific exposure levels were not quantified in this study.

Cite This Study
Unknown (2009). Alterations in adenylate kinase activity in human PBMCs after in vitro exposure to electromagnetic field: comparison between extremely low frequency electromagnetic field (ELF) and therapeutic application of a musically modulated electromagnetic fiel.
Show BibTeX
@article{alterations_in_adenylate_kinase_activity_in_human_pbmcs_after_in_vitro_exposure_to_electromagnetic_field_comparison_between_extremely_low_frequency_electromagnetic_field_elf_and_therapeutic_applicatio_ce2169,
  author = {Unknown},
  title = {Alterations in adenylate kinase activity in human PBMCs after in vitro exposure to electromagnetic field: comparison between extremely low frequency electromagnetic field (ELF) and therapeutic application of a musically modulated electromagnetic fiel},
  year = {2009},
  doi = {10.1155/2009/717941},
  
}
DOI: 10.1155/2009/717941PubMed: 19763276

Quick Questions About This Study

Yes, 100 Hz ELF electromagnetic fields increased adenylate kinase enzyme activity in human peripheral blood mononuclear cells, indicating the cells were working harder to maintain energy balance after EMF exposure.
Adenylate kinase is an enzyme that helps cells maintain energy balance by converting different forms of cellular energy currency. EMF exposure appears to disrupt cellular energy processes, forcing increased enzyme activity.
Yes, therapeutic musically modulated electromagnetic fields (TAMMEFs) use variable frequencies and intensities, and in this study slightly decreased adenylate kinase activity, opposite to the increase seen with standard 100 Hz fields.
No, neither 100 Hz ELF fields nor therapeutic modulated fields affected the activities of other purine metabolism enzymes including ecto-5′-nucleotidase, adenosine deaminase, and adenosine kinase in the study.
Increased adenylate kinase activity suggests cells are working harder to maintain energy balance and electrical charge stability, potentially indicating a stress response to electromagnetic field exposure that requires cellular compensation mechanisms.