Evidence map›Paper›PMID 31089145›Full record

ArticleScientific reports2019

Tumour-treating fields (TTFields): Investigations on the mechanism of action by electromagnetic exposure of cells in telophase/cytokinesis.

Lukas Berkelmann, Almke Bader, Saba Meshksar, Anne Dierks, Gökce Hatipoglu Majernik, Joachim K Krauss, Kerstin Schwabe, Dirk Manteuffel, Anaclet Ngezahayo

Open access · goldAbstract read
In one paragraph

Article in Scientific reports, 2019. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 44 papers.

0numbers the graph read from it
0cells of the map it votes in
44citing papers in PubMed
3.4field-weighted citation impact, top 7% of its field
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

44 citing papers in PubMed, 76 citations in OpenAlex.

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  8. [Study on the electric field transmission characteristics of conducted-electrode tumor treating fields].Sheng wu yi xue gong cheng xue za zhi = Journal of biomedical engineering = Shengwu yixue gongchengxue zazhi · 2025
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  14. Tumor-treating fields in cancer therapy: advances of cellular and molecular mechanisms.Clinical & translational oncology : official publication of the Federation of Spanish Oncology Societies and of the National Cancer Institute of Mexico · 2025
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4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

9 authors at 3 institutions in 1 country.

Lukas BerkelmannInstitute of Microwave and Wireless Systems, Leibniz University Hannover, Hannover, Germany.ORCID http://orcid.org/0000-0003-1130-4301
Almke BaderInstitute of Cell Biology and Biophysics, Department of Cell Physiology and Biophysics, Leibniz University Hannover, Hannover, Germany.
Saba MeshksarInstitute of Microwave and Wireless Systems, Leibniz University Hannover, Hannover, Germany.
Anne DierksInstitute of Cell Biology and Biophysics, Department of Cell Physiology and Biophysics, Leibniz University Hannover, Hannover, Germany.
Gökce Hatipoglu MajernikDepartment of Neurosurgery, Hannover Medical School, Hannover, Germany.
Joachim K KraussDepartment of Neurosurgery, Hannover Medical School, Hannover, Germany.
Kerstin SchwabeDepartment of Neurosurgery, Hannover Medical School, Hannover, Germany.
Dirk ManteuffelInstitute of Microwave and Wireless Systems, Leibniz University Hannover, Hannover, Germany.
Anaclet NgezahayoInstitute of Cell Biology and Biophysics, Department of Cell Physiology and Biophysics, Leibniz University Hannover, Hannover, Germany. ngezahayo@cell.uni-hannover.de.ORCID http://orcid.org/0000-0002-3686-923X
Leibniz University Hannover · DEUniversity of Veterinary Medicine Hannover, Foundation · DEMedizinische Hochschule Hannover · DE

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Tumour-treating fields (TTFields) use alternating electric fields which interfere with dividing cells, thereby reducing tumour growth. Previous reports suggest that electrical forces on cell structure proteins interfered with the chromosome separation during mitosis and induced apoptosis. In the present report we evaluate electromagnetic exposure of cells in telophase/cytokinesis in order to further analyse the mechanism of action on cells. We performed numerical electromagnetic simulations to analyse the field distribution in a cell during different mitotic phases. Based thereon, we developed an electric lumped element model of the mitotic cell. Both the electromagnetic simulation and the lumped element model predict a local increase of the specific absorption rate (SAR) as a measure of the electromagnetically induced power absorption density at the mitotic furrow which may help to explain the anti-proliferative effect. In accordance with other reports, cell culture experiments confirmed that TTFields reduce the proliferation of different glioma cell lines in a field strength- and frequency-dependent manner. Furthermore, we found an additional dependence on the commutation time of the electrical fields. The report gives new insights into TTFields' anti-proliferative effect on tumours, which could help to improve future TTFields application systems.

Indexed as

CytokinesisTelophaseBrain NeoplasmsCell Line, TumorElectromagnetic FieldsGliomaHumansNeoplasm GradingPatch-Clamp TechniquesTranscranial Magnetic StimulationTreatment Outcome

Identifiers

PMID31089145
PMCPMC6517379
OpenAlexW2945428285

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Registered trials

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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.