The effect of electroporation type pulsed electric fields on DNA in aqueous solution

Technology in Cancer Research & Treatment
Alex Goldberg, Boris Rubinsky

Abstract

Electroporation is a physical phenomenon in which pulsed electric fields applied across a cell produce transient (reversible) or permanent (irreversible) permeabilization of the cell membrane. Irreversible electroporation is an important method of sterilization in the food industry and it is becoming an important minimally invasive tissue ablation technique in medicine. Motivated by recent observations of apoptosis like marker stains in irreversibly electroporated cells we performed a study on the effects of electroporation type electric pulses on the integrity of naked DNA in solution. Using gel electrophoresis analyses we show that pulses of the irreversible electroporation type have the ability to affect the naked DNA in solution. It is found that some electric parameters that lead to cell death by irreversible electroporation also cause changes in the naked DNA exposed to the same procedure. Our analysis tentatively suggests that some electroporation type electric pulses cause nicks in the DNA molecule. Therefore, it is possible that the mechanisms of cell death in irreversible electroporation also include damages to the DNA. However, this work did not investigate the possible effects of electroporation induced electrode co...Continue Reading

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Feb 22, 2012·Bioelectrochemistry·Denis PavlihaDamijan Miklavčič
Mar 1, 2013·Advanced Healthcare Materials·Xianfeng ChenWenjun Zhang
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Jun 20, 2021·Bioelectrochemistry·Tina Batista NapotnikDamijan Miklavčič

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