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Author  |
Schimmelpfeng, J.; Dertinger, H. |
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Title |
Action of a 50 Hz magnetic field on proliferation of cells in culture |
Type |
Journal Article |
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Year |
1997 |
Publication |
Bioelectromagnetics |
Abbreviated Journal |
Bioelectromagnetics |
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Volume |
18 |
Issue |
2 |
Pages |
177-183 |
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Keywords |
3T3 Cells; Animals; Cell Count/radiation effects; Cell Division/physiology/radiation effects; Cells, Cultured; Electromagnetic Fields/*adverse effects; HL-60 Cells; Humans; Mice |
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Abstract |
Proliferation of SV40-3T3 mouse fibroblasts and human HL-60 promyelocytes was studied after treatment with a sinusoidal 2 mT 50 Hz magnetic field. A single exposure of 60 minutes caused quasicyclic changes in the number of SV40-3T3 cultures as function of time after treatment, which was interpreted to be due to the induction of chronobiological mechanisms by the field. Moreover, small variations in cell cycle distribution were measured during postexposure incubation for both cell lines. To discriminate between the effect of the magnetic vector and the induced electric field, HL-60 cell exposure was also performed on organ culture dishes. These dishes consist of two coaxially centered, isolated compartments in which different electric field levels are induced in the medium during treatment. Cell growth was affected in the outer compartment only where the induced electric field ranged from 8 to 12 mVpeak/meter at 2 mT, but it was not affected in the inner compartment (field range 0-4 mVpeak/meter). This suggests that the effects on cell growth are due to the induced electric field and are expressed only above a threshold of between 4 and 8 mVpeak/meter. |
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Address |
Forschungszentrum Karlsruhe, Institut fur Toxikologie, Germany |
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Language |
English |
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Original Title |
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Series Title |
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Series Volume |
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Edition |
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ISSN |
0197-8462 |
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Conference |
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Notes |
PMID:9084869 |
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no |
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Call Number |
IT'IS @ evaj @ |
Serial |
403 |
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