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Cytoplasmic Ca2+ oscillations in human leukemia T-cells are reduced by 50 Hz magnetic fields

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Authors not listed · 1999

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Exposure to 50 Hz magnetic fields reduced the total spectral power of the cytosolic Ca2+ oscillator in Jurkat E6.1 cells in a dose-response manner.

Plain English Summary

Summary written for general audiences

Researchers investigated the effect of 50 Hz magnetic fields on the cytosolic calcium oscillator in Jurkat E6.1 cells at field strengths from 0 to 0.40 mT root mean square. The total spectral power of the cytosolic Ca2+ oscillator was reduced by magnetic field exposure and the effect increased in a dose-response manner. This reduction was also observed in the 0-10 mHz subinterval of the oscillation spectrum, while higher frequency subintervals showed no significant change.

Why This Matters

Data were analyzed by computing spectral densities of the Ca2+ oscillating patterns for each 10-minute interval. For each single-cell experiment, the spectra of all exposure and nonexposure periods were averaged separately before comparison.

Exposure Information

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

Specific exposure levels were not quantified in this study.

Cite This Study
Unknown (1999). Cytoplasmic Ca2+ oscillations in human leukemia T-cells are reduced by 50 Hz magnetic fields.
Show BibTeX
@article{cytoplasmic_ca2_oscillations_in_human_leukemia_t_cells_are_reduced_by_50_hz_magnetic_fields_ce1562,
  author = {Unknown},
  title = {Cytoplasmic Ca2+ oscillations in human leukemia T-cells are reduced by 50 Hz magnetic fields},
  year = {1999},
  doi = {10.1002/(SICI)1521-186X(1999)20:5<269::AID-BEM2>3.0.CO;2-S},
  
}

Quick Questions About This Study

The study used Jurkat E6.1 cells, a human leukemia T-cell line.
Cells were exposed to 50 Hz magnetic fields at strengths from 0 to 0.40 mT root mean square in 10-minute intervals alternating with nonexposure intervals.
The total spectral power of the cytosolic Ca2+ oscillator was reduced by magnetic field exposure, and the effect increased in a dose-response manner.
The reduction was observed in the 0-10 mHz subinterval of the Ca2+ oscillation spectrum, but changes at higher frequencies were not significant.