Spinning magnetic field patterns that cause oncolysis by oxidative stress in glioma cells

Authors: Hambarde S, Manalo JM, Baskin DS, Sharpe MA, Helekar SA

Year: 2023

Category: Oncology

Journal: Sci Rep

DOI: 10.1038/s41598-023-46758-w

URL: https://www.ncbi.nlm.nih.gov/pmc/articles/PMC10630398/

Abstract

Overview

The study explores the utilization of reactive oxygen species (ROS) elevation in cancer cells, focusing on glioma cells, to induce cell death as a potential anticancer treatment. This involves the development of a new portable wearable electromagnetic field (EMF) device.

Findings

  • The introduced device generates spinning oscillating magnetic fields (sOMF) targeting selective oncolysis in cancer cells, sparing normal cells.
  • Effective both in vitro and in shrinking glioma-based tumors in vivo via a novel biological mechanism.
  • Detailing the configurations and timing of sOMF that lead to increased superoxide levels causing cytotoxic effects.
  • Impact of antioxidant Trolox on reversing these effects, confirming ROS's role in the observed anticancer activity.

Conclusion

The study provides a clearer understanding of the link between the physical properties of magnetic stimulation and its anticancer effects, supporting the development of new noninvasive treatments for gliomas and potentially other cancers.

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