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  • 标题:Rodent cell transformation and immediate early gene expression following 60-Hz magnetic field exposure.
  • 作者:E K Balcer-Kubiczek ; X F Zhang ; G H Harrison
  • 期刊名称:Environmental Health Perspectives
  • 印刷版ISSN:0091-6765
  • 电子版ISSN:1552-9924
  • 出版年度:1996
  • 卷号:104
  • 期号:11
  • 页码:1188-1198
  • 语种:English
  • 出版社:OCR Subscription Services Inc
  • 摘要:Some epidemiological studies suggest that exposure to power frequency magnetic fields (MFs) may be associated with an elevated risk of human cancer, but the experimental database remains limited and controversial. We investigated the hypothesis that 60-Hz MF action at the cellular level produces changes in gene expression that can result in neoplastic transformation. Twenty-four hour 200 microT continuous MF exposure produced negative results in two standard transformation systems (Syrian hamster embryo cells and C3H/10T1/2 murine fibroblasts) with or without postexposure to a chemical promoter. This prompted a reexamination of previously reported MF-induced changes in gene expression in human HL60 cells. Extensive testing using both coded and uncoded analyses was negative for an MF effect. Using the same exposure conditions as in the transformation studies, no MF-induced changes in ornithine decarboxylase expression were observed in C3H/10T1/2 cells, casting doubt on a promotional role of MF for the tested cells and experimental conditions. Full text Full text is available as a scanned copy of the original print version. Get a printable copy (PDF file) of the complete article (4.5M), or click on a page image below to browse page by page. Links to PubMed are also available for Selected References . 1188 1189 1190 1191 1192 1193 1194 1195 1196 1197 1198
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