Static Magnetic Stimulation Induces Cell-type Specific Alterations in the Viability of SH-SY5Y Neuroblastoma Cell Line

Anticancer Res. 2020 Sep;40(9):5151-5158. doi: 10.21873/anticanres.14518.

Abstract

Background/aim: Magnetic stimulation is used in the treatment of a diversity of diseases, but a complete understanding of the underlying mechanisms of action requires further investigation. We examined the effect of static magnetic stimulation (SMS) in different cell lines.

Materials and methods: A culture plate holder with attached NeFeB magnets was developed. Different magnetic field intensities and periods were tested in tumoral and non-tumoral cell lines. To verify the cellular responses to SMS, cell viability, cell death, cell cycle and BDNF expression were evaluated.

Results: Exposure of SH-SY5Y cells to SMS for 24 hours led to a decrease in cell viability. Analysis 24 h after stimulation revealed a decrease in apoptotic and double-positive cells, associated with an increase in the number of necrotic cells.

Conclusion: The effects of SMS on cell viability are cell type-specific, inducing a decrease in cell viability in SH-SY5Y cells. This suggests that SMS may be a potential tool in the treatment of neuronal tumors.

Keywords: Static magnetic stimulation; cell cycle; cell death; cell viability; neuroblastoma.

MeSH terms

  • Apoptosis / radiation effects
  • Brain-Derived Neurotrophic Factor / genetics
  • Brain-Derived Neurotrophic Factor / metabolism
  • Cell Cycle / radiation effects
  • Cell Line, Tumor
  • Cell Survival / radiation effects*
  • Gene Expression Regulation, Neoplastic / radiation effects
  • Humans
  • Magnetic Phenomena*
  • Neuroblastoma / genetics
  • Neuroblastoma / metabolism
  • Organ Specificity / radiation effects

Substances

  • Brain-Derived Neurotrophic Factor
  • BDNF protein, human