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J Radiat Prot > Volume 33(4);2008 > Article
Journal of Radiation Protection 2008;33(4):161.
Bleomycin이 처리된 사람 섬유아세포에서 극저주파 전자기장의 효과
The Effect of Extremely Low Frequency Electromagnetic Fields on the Chromosomal Instability in Bleomycin Treated Fibroblast Cells
Cho, Yoon-Hee;Kim, Yang-Jee;Lee, Joong-Won;Kim, Gye-Eun;Chung, Hai-Won;
In order to determine the effect of extremely low frequency electromagnetic fields (ELF-EMF) on the frequency of micronuclei (MN), aneuploidy and chromosomal rearrangement induced by bleomycin (BLM) in human fibroblast cells, a 60 Hz ELF-EMF of 0.8 mT field strength was applied either alone or with ELM throughout the culture period and a micronucleus-centromere assay was performed. Our results indicate that the frequencies of MN, aneuploidy and chromosomal rearrangement induced by ELM increased in a dose-dependent manner. The exposure of cells to 0.8 mT ELF-EMF followed by ELM exposure for 3 hours led to significant increases in the frequencies of MN and aneuploidy compared to BLM treatment for 3 hours alone (p<0.05), but no significant difference was observed between field exposed and sham exposed control cells. The obtained results suggest that low density ELF-EMF could act as an enhancer of the initiation process of BLM rather than as an initiator of mutagenic effects in human fibroblast.
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