NDLI: Study of the effects of 50 Hz homogeneous magnetic field on apoptosis and proliferation of SNU cells in vitro

Content Provider	IEEE Xplore Digital Library
Author	Hongyong Guo Mo Zheng Lingxiao Xing Ying Li Manling Ge Xianghong Zhang Weili Yan
Copyright Year	2004
Description	Author affiliation: Dept. of Electr. Eng., Hebei Univ. of Technol., Tianjin, China (Hongyong Guo)
Abstract	The biological effects of magnetic field on SNU (human low differentiated gastric adenocarcinoma cell line) cells are studied in this paper. SNU cells were randomly divided into control groups and four treatment groups, the treatment groups were respectively irradiated by 50 Hz ferromagnetic field (0.097 T) 5 min., 30 min., 60 min., and 120 min. We observed the effects on proliferation and apoptosis of SNU cells after the treatment of magnetic field by flow cytometric (FCM) DNA analysis and electron microscope observation. The apoptosis rate in treatment groups are 4.75% /spl plusmn/ 1.24%, 6.50% /spl plusmn/ 0.61%, 9.20% /spl plusmn/ 1.76% and 6.26% /spl plusmn/ 2.95% respectively and significantly higher than that in control group. In the irradiation time range from 5 min to 60 min, there is a significant time-depended response correlation of apoptosis rate( r = 0.97, P < 0.01), but FCM results showed that the effects of 50 Hz homogeneous ferromagnetic field on the proliferation and distribution of cell cycle of SNU cells is not significant. We concluded that irradiation of 50 Hz homogeneous ferromagnetic field could promote apoptosis of SNU cells.
Starting Page	4990
Ending Page	4993
File Size	979537
Page Count	4
File Format	PDF
ISBN	0780384393
DOI	10.1109/IEMBS.2004.1404379
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2004-09-01
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	In vitro Tumors Cells (biology) Magnetic field measurement Humans DNA Electron microscopy Magnetic force microscopy Magnetic fields AC generators Flow Cytometry (FCM) Proliferation and Apoptosis Ferromagnetic Field Exposure
Content Type	Text
Resource Type	Article

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