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Author  |
Beneduci, A.; Chidichimo, G.; Tripepi, S.; Perrotta, E. |
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Title |
Transmission electron microscopy study of the effects produced by wide-band low-power millimeter waves on MCF-7 human breast cancer cells in culture |
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Journal Article |
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Year |
2005 |
Publication |
Anticancer Research |
Abbreviated Journal |
Anticancer Res |
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Volume |
25 |
Issue |
2a |
Pages |
1009-1013 |
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Keywords |
Breast Neoplasms/*radiotherapy/*ultrastructure; Cell Line, Tumor/radiation effects; *Electromagnetic Fields; Humans; Microscopy, Electron, Transmission; Microwaves |
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Abstract |
Our previous work showed that low-power wide-band millimeter waves (MMW) inhibit the growth of the MCF-7 human breast carcinoma cell line, also causing a marked reduction of the density of microvilli at the apical membrane of the MCF-7 cells, as revealed by scanning electron microscopy. The aim of the present work was to investigate the ultrastructural changes induced by such electromagnetic radiations on this cell line. A transmission electron microscopy study was performed on MCF-7 cells irradiated under the same experimental conditions previously adopted. Transmission electron microscopy analysis revealed several ultrastructural features of the MMW-irradiated cells pertinent to cells subjected to sublethal injury. The antiproliferative effect of the millimeter radiation was confirmed. MMW, in the 52-78 GHz frequency range, act as stress factor on the cells that survive in a non-steady low-mitogenetic metabolic state. |
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Address |
Department of Chemistry, University of Calabria, Arcavacata di Rende (CS), Italy. beneduci@unical.it |
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Language |
English |
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Original Title |
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Series Volume |
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Edition |
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ISSN |
0250-7005 |
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Notes |
PMID:15868940 |
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no |
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Call Number |
IT'IS @ evaj @ |
Serial |
285 |
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