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Related Experiment Video

Updated: Sep 27, 2025

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Tumor Treating Fields: killing two birds with one stone.

Juyeun Lee1, Matthew M Grabowski1,2,3, Justin D Lathia1,2,3

  • 1Department of Cardiovascular & Metabolic Sciences, Lerner Research Institute and.

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Tumor Treating Fields (TTFields) boost the immune system against glioblastoma by stimulating cytokine production in tumor cells. This research reveals TTFields as a novel immune-modulating therapy for GBM.

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Area of Science:

  • Oncology
  • Immunology
  • Biophysics

Background:

  • Glioblastoma (GBM) is an aggressive brain tumor with immunosuppressive properties, making it challenging to treat.
  • Tumor Treating Fields (TTFields) show promise for GBM, but their full antitumor mechanisms require further investigation.

Purpose of the Study:

  • To investigate the impact of TTFields on the immune response in glioblastoma.
  • To elucidate the molecular mechanisms by which TTFields modulate the tumor microenvironment.

Main Methods:

  • Utilized step-by-step experimental approaches to analyze TTFields' effects on tumor cells.
  • Investigated the involvement of cGAS/STING and AIM2 inflammasome pathways in TTFields' immune-stimulating action.

Main Results:

  • TTFields promote the production of immune-stimulating proinflammatory and type 1 interferon cytokines within tumor cells.
  • This cytokine production is dependent on the cGAS/STING and AIM2 inflammasome pathways.
  • TTFields were shown to enhance antitumor immunity, in addition to their direct tumor cell growth inhibition.

Conclusions:

  • TTFields not only directly inhibit GBM growth but also enhance antitumor immunity by activating immune-stimulating pathways.
  • TTFields represent a potential immune-modulating strategy for treating glioblastoma.