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Medical/biological Study (experimental study)

Syrian hamster dermal cell immortalization is not enhanced by power line frequency electromagnetic field exposure. med./biol.

By: Gamble SC, Wolff H, Arrand JE
Published in: Br J Cancer 1999; 81 (3): 377 - 380 ( open external web page PubMed Entry , open external web page Journal web site )

Aim of study (according to author)
This in vitro study was performed to investigate the effects of electromagnetic fieds on the cell immortalization of hamster dermal cells in the presence or absence of a known carcinogen (gamma radiation, at 0.5 or 1.5 Gy)
Background/further details:
Syrian hamster dermal cells were chosen as investigated cell line as they show very low frequency of spontaneous immortalization. Cell immortalization can be a sign of tumor initiation.
The cells were exposed to electromagnetic fields at the levels commonly encountered in the home.

Endpoint

Exposure
General category: magnetic field, 50/60 Hz (AC), power transmission line

Field characteristicsParameters
50 Hz
continuous wave (CW)
exposure duration: 60 h
magnetic flux density: 44 µT (DC superimposed for earth MF)
magnetic flux density: 1 mT max value (10, 100, 1000 µT)

FIELD View further expo parameters

Exposed system:
intact cell/cell culture (in vitro)
SHD (syrian hamster dermal) cells

Methods
Endpoint/Measurement parameters/Methodology

investigated material: intact cell/cell culture (in vitro)

time of investigation: after exposure

Main outcome of study (according to author)
The electromagnetic field exposure alone did not cause cell immortalization in the investigated cell line. Furthermore the electromagnetic fields exposures did not enhance the frequency of ionizing radiation-induced immortalization.

(Study character: medical/biological study, experimental study, full/main study, blind study, randomized)

Study funded by

  • EMF Biological Research Trust (EMFBRT), UK

Related articles i
Glossary: 50/60 Hz, AC, biological, blind study, carcinogen, cell, cell culture, cell division, cell line, cell viability, colonies, CW, DC, dermal, electromagnetic, electromagnetic field, endpoint, exposed, exposure, frequency, full/main study, gamma radiation, Gy, immortalized, induced, in vitro, ionizing radiation, low frequency, magnetic field, magnetic flux density, power transmission line, proliferation, randomized, tumor initiation

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