电场或电磁场和光动力的协同效应对癌细胞失活和坏死的作用(英文)

电化学（中英文） ›› 2004, Vol. 10 ›› Issue (3): 260-270.

电场或电磁场和光动力的协同效应对癌细胞失活和坏死的作用(英文)

Maria Radeva,Maya Lambrera,Plamena Angelova,Nelly Traitcheva,Hermann Berg

Beutenberg大学生物电化学研究室,Beutenberg大学生物电化学研究室,Beutenberg大学生物电化学研究室,Beutenberg大学生物电化学研究室,Beutenberg大学生物电化学研究室耶纳　德国 ,耶纳　德国 ,耶纳　德国 ,耶纳　德国 ,耶纳　德国

收稿日期:2004-08-28 修回日期:2004-08-28 出版日期:2004-08-28 发布日期:2004-08-28

Synergisms of Electric or Electromagnetic Fields and Photodynamic Effects Induce Apoptosis and Necrosis of Cancer Cells

Maria Radeva, Maya Lambrera, Plamena Angelova, Nelly Traitcheva, Hermann Berg

(Laboratory of Bioelectrochemistry, Campus Beutenberg, Jena, Germany

Received:2004-08-28 Revised:2004-08-28 Published:2004-08-28 Online:2004-08-28

摘要/Abstract

摘要： 　应用弱正弦波电磁场改变细胞膜的穿透性并引起其失活和坏死.研究中,将人类癌细胞U 937和K 562放置于强度为10mT和39mT(50Hz)的正弦波电磁场内,并依次结合细胞毒素放线菌素 C以及其独特的光动力活性分别进行试验.

关键词: 正弦波电磁场, 电生孔, 放线菌素-C, 光动力学, 协同效应, 癌细胞U-937, K-562

Abstract: Weak pulsating sinusoidal electromagnetic fields (PEMF) have been applied to change membrane permeation and induction of apoptosis (necrosis). In the case of suspension of human cancer cells U-937 and K-562 inside of Helmholtz-coils the amplitude of PEMF B=10 and at 39mT (at 50 Hz) was combined gradually with the cytotoxic agent actinomycin-C on one hand with its novel photodynamic activity on the other. Depending on temperature, pH-value and treatment time the necrosis of these cells was determined by means of trypan blue staining as well as the induced apoptosis by FACScan technique. Synergisms were discovered yielding high rates of cell death for three combinations:I.PEMF + hyperthermia or (and) hyperacidityII.PEMF + cytostatic drugs in the dark III.PEMF + cytostatic drugs irradiated by visible light (photodynamic effect)The selection of cytostatic drugs as actinomycin-C and some anthracyclines was to prove their photodynamic activity, which is suitable to enhance their cytotoxic effects.These results of inductive coupling (PEMF) were compared with effects of A.C. currents and electroporation by single D.C. pulses between solid electrodes. Contrary to these both methods the PEMF application has a noninvasive influence on the viability of cancer cells suitable therefore to support tumor therapy by this adjuvant bioelectrochemical method.

Key words: PEMF, Electroporation, Actinomycin-C, Photodynamics, Synergism, Cancer cells U-937, K-562

中图分类号:

R73-3

Maria Radeva,Maya Lambrera,Plamena Angelova,Nelly Traitcheva,Hermann Berg. 电场或电磁场和光动力的协同效应对癌细胞失活和坏死的作用(英文)[J]. 电化学（中英文）, 2004, 10(3): 260-270.

Maria Radeva, Maya Lambrera, Plamena Angelova, Nelly Traitcheva, Hermann Berg . Synergisms of Electric or Electromagnetic Fields and Photodynamic Effects Induce Apoptosis and Necrosis of Cancer Cells[J]. Journal of Electrochemistry, 2004, 10(3): 260-270.

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https://electrochem.xmu.edu.cn/CN/Y2004/V10/I3/260

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