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Electrochemical Cells01:28

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Electrochemical cells are systems that convert chemical energy into electrical energy or use electrical energy to drive chemical reactions. They consist of two electrodes in contact with an electrolyte, where redox reactions enable electron transfer. Most electrochemical cells include two half-cells connected by an external wire for electron flow and a salt bridge for ion flow. The salt bridge contains an electrolyte solution and maintains charge neutrality by allowing ions—not...
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Electrochemotherapy of Tumours
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Electrochemotherapy - Evidence for Cell-type Selectivity In Vitro.

Fredrik Landström1, Mikael Ivarsson2, Anita Koskela Von Sydow3

  • 1Department of Otolaryngology, Örebro University Hospital, Örebro, Sweden School of Health and Medical Sciences, Örebro University, Örebro, Sweden fredrik.landstrom@orebroll.se.

Anticancer Research
|October 28, 2015
PubMed
Summary

Electrochemotherapy (ECT) selectively impacts cancer cell survival. This study found fibroblasts survived better than cancer cells and endothelial cells after ECT, supporting its anti-vascular effects in cancer treatment.

Keywords:
Electrochemotherapybleomycinendothelial cellsfibroblastshead and neck cancerselectivitysquamous cell carcinoma

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Area of Science:

  • Oncology
  • Biotechnology
  • Cell Biology

Background:

  • Electrochemotherapy (ECT) is an innovative cancer treatment.
  • It enhances chemotherapy efficacy using electroporation.
  • ECT exhibits both direct cytotoxicity and anti-vascular effects.

Purpose of the Study:

  • To investigate the selective impact of ECT on cell survival.
  • To compare the survival rates of fibroblasts, endothelial cells (HUVEC), and two squamous cell carcinoma lines (CAL-27, SCC-4).

Main Methods:

  • Cells were treated with electroporation and two bleomycin concentrations.
  • Cell survival was assessed using two assays at 1, 2, 3, and 4 days post-treatment.

Main Results:

  • Fibroblast survival was significantly higher than other cell lines at day 4.
  • Endothelial cell (HUVEC) survival was significantly lower than other cell types at day 1 after electroporation alone.

Conclusions:

  • In vitro studies demonstrated a selective survival effect of ECT.
  • These findings support the observed in vivo anti-vascular effects of ECT in cancer treatment.