Cancer was the first enemy of the human beings, so there were more and more attentions to the therapy methods of it. In order to explore the biological effects of the high voltage prick electrostatic field on Lewis (murine tumor lung cancer cell) cells, minus high voltage prick electrostatic field was used in this work, and MTT assay method was also used to examine the proliferation of Lewis. The result showed that Lewis cells were restrained evidently at the voltage of 1500v. So we could conclude that some intensity of minus high voltage prick electrostatic field could restrain the growth of the tumor cells.
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