Note: This study found no significant biological effects under its experimental conditions. We include all studies for scientific completeness.
Exposure to extremely low frequency magnetic fields has no effect on growth rate or clonogenic potential of multipotential haemopoietic progenitor cells
No Effects Found
Authors not listed · 1996
Power line magnetic fields showed no direct cancer-promoting effects on blood stem cells in laboratory conditions.
Plain English Summary
Summary written for general audiences
Researchers exposed blood stem cells to extremely low frequency magnetic fields similar to those from power lines for up to 21 days. The fields had no effect on cell growth, division, or ability to form colonies. This laboratory study found no evidence that power line EMF directly promotes blood cancer development in these primitive blood cells.
Exposure Information
Cite This Study
Unknown (1996). Exposure to extremely low frequency magnetic fields has no effect on growth rate or clonogenic potential of multipotential haemopoietic progenitor cells.
Show BibTeX
@article{exposure_to_extremely_low_frequency_magnetic_fields_has_no_effect_on_growth_rate_or_clonogenic_potential_of_multipotential_haemopoietic_progenitor_cells_ce2267,
author = {Unknown},
title = {Exposure to extremely low frequency magnetic fields has no effect on growth rate or clonogenic potential of multipotential haemopoietic progenitor cells},
year = {1996},
doi = {10.3109/08977199609003222},
}Quick Questions About This Study
No, this study found that 50 Hz magnetic fields at 6 microTesla had no effect on blood stem cell growth rate, cell division cycles, or ability to form colonies over exposures lasting up to 21 days.
Calcium ion cyclotron resonance refers to specific magnetic field conditions that theoretically could affect calcium movement in cells. This study tested these conditions at 50 Hz but found no effects on blood cell behavior.
This study found no evidence that power line magnetic fields act as tumor promoters in blood stem cells, despite testing conditions representative of high-voltage power line exposures over multiple weeks.
Clonogenic potential measures a cell's ability to divide and form colonies, which is important for cancer development. This study found magnetic fields didn't affect this cancer-related cellular capability in blood stem cells.
The study used 6 microTesla magnetic fields, which are representative of exposures near high-voltage power lines and significantly stronger than typical household levels of 0.1-0.2 microTesla.