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| Item Type: | Review |
|---|---|
| Title: | Literature review: potential non-thermal molecular effects of external radiofrequency electromagnetic fields on cancer |
| Creators Name: | Dieper, A., Scheidegger, S., Füchslin, R.M., Veltsista, P.D., Stein, U., Weyland, M., Gerster, D., Beck, M., Bengtsson, O., Zips, D. and Ghadjar, P. |
| Abstract: | INTRODUCTION: There is an ongoing scientific discussion, that anti-cancer effects induced by radiofrequency (RF)-hyperthermia might not be solely attributable to subsequent temperature elevations at the tumor site but also to non-temperature-induced effects. The exact molecular mechanisms behind said potential non-thermal RF effects remain largely elusive, however, limiting their therapeutical targetability. OBJECTIVE: Therefore, we aim to provide an overview of the current literature on potential non-temperature-induced molecular effects within cancer cells in response to RF-electromagnetic fields (RF-EMF). MATERIAL AND METHODS: This literature review was conducted following the PRISMA guidelines. For this purpose, a MeSH-term-defined literature search on MEDLINE (PubMed) and Scopus (Elsevier) was conducted on March 23(rd), 2024. Essential criteria herein included the continuous wave RF-EMF nature (3 kHz - 300 GHz) of the source, the securing of temperature-controlled circumstances within the trials, and the preclinical nature of the trials. RESULTS: Analysis of the data processed in this review suggests that RF-EMF radiation of various frequencies seems to be able to induce significant non-temperature-induced anti-cancer effects. These effects span from mitotic arrest and growth inhibition to cancer cell death in the form of autophagy and apoptosis and appear to be mostly exclusive to cancer cells. Several cellular mechanisms were identified through which RF-EMF radiation potentially imposes its anti-cancer effects. Among those, by reviewing the included publications, we identified RF-EMF-induced ion channel activation, altered gene expression, altered membrane potentials, membrane oscillations, and blebbing, as well as changes in cytoskeletal structure and cell morphology. CONCLUSION: The existent literature points toward a yet untapped therapeutic potential of RF-EMF treatment, which might aid in damaging cancer cells through bio-electrical and electro-mechanical molecular mechanisms while minimizing adverse effects on healthy tissue cells. Further research is imperative to definitively confirm non-thermal EMF effects as well as to determine optimal cancer-type-specific RF-EMF frequencies, field intensities, and exposure intervals. |
| Keywords: | Radiofrequency, Hyperthermia, Electromagnetic Fields, Cancer Therapy, Animals |
| Source: | International Journal of Hyperthermia |
| ISSN: | 0265-6736 |
| Publisher: | Taylor & Francis |
| Volume: | 41 |
| Number: | 1 |
| Page Range: | 2379992 |
| Date: | 17 July 2024 |
| Official Publication: | https://doi.org/10.1080/02656736.2024.2379992 |
| PubMed: | View item in PubMed |
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