Evidence map›Paper›PMID 33270696›Full record

ArticlePloS one2020

HEK293 cell response to static magnetic fields via the radical pair mechanism may explain therapeutic effects of pulsed electromagnetic fields.

Marootpong Pooam, Nathalie Jourdan, Mohamed El Esawi, Rachel M Sherrard, Margaret Ahmad

Open access · goldAbstract read
In one paragraph

Article in PloS one, 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 21 papers.

0numbers the graph read from it
0cells of the map it votes in
21citing papers in PubMed
4.7field-weighted citation impact, top 5% 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

21 citing papers in PubMed, 32 citations in OpenAlex.

  1. Article
  2. Review
  3. Magneto-oncology: a radical pair primer.Frontiers in oncology · 2025
    Review
  4. Avian cryptochrome 4 binds superoxide.Computational and structural biotechnology journal · 2024
    Article
  5. Article
  6. Review
  7. Article
  8. Article
  9. Review
  10. 14-3-3 Proteins and the Plasma Membrane HPlants (Basel, Switzerland) · 2023
    Article
  11. Article
  12. The Geomagnetic Field (GMF) Is Necessary for Black Garden Ant (International journal of molecular sciences · 2023
    Article
  13. Article
  14. Review
  15. Article
  16. Review
  17. Article
  18. Article
  19. Review
  20. Article
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

5 authors at 1 institution in 4 countries.

Marootpong PooamSorbonne Université - CNRS, UMR8256 - IBPS, Paris, France.
Nathalie JourdanSorbonne Université - CNRS, UMR8256 - IBPS, Paris, France.
Mohamed El EsawiSorbonne Université - CNRS, UMR8256 - IBPS, Paris, France.
Rachel M SherrardSorbonne Université - CNRS, UMR8256 - IBPS, Paris, France.
Margaret AhmadSorbonne Université - CNRS, UMR8256 - IBPS, Paris, France.ORCID 0000-0003-4524-5813
Centre National de la Recherche Scientifique · FR

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

PEMF (Pulsed Electromagnetic Field) stimulation has been used for therapeutic purposes for over 50 years including in the treatment of memory loss, depression, alleviation of pain, bone and wound healing, and treatment of certain cancers. However, the underlying cellular mechanisms mediating these effects have remained poorly understood. In particular, because magnetic field pulses will induce electric currents in the stimulated tissue, it is unclear whether the observed effects are due to the magnetic or electric component of the stimulation. Recently, it has been shown that PEMFs stimulate the formation of ROS (reactive oxygen species) in human cell cultures by a mechanism that requires cryptochrome, a putative magnetosensor. Here we show by qPCR analysis of ROS-regulated gene expression that simply removing cell cultures from the Earth's geomagnetic field by placing them in a Low-Level Field condition induces similar effects on ROS signaling as does exposure of cells to PEMF. This effect can be explained by the so-called Radical Pair mechanism, which provides a quantum physical means by which the rates and product yields (e.g. ROS) of biochemical redox reactions may be modulated by magnetic fields. Since transient cancelling of the Earth's magnetic field can in principle be achieved by PEMF exposure, we propose that the therapeutic effects of PEMFs may be explained by the ensuing modulation of ROS synthesis. Our results could lead to significant improvements in the design and therapeutic applications of PEMF devices.

Indexed as

Gene Expression RegulationReactive Oxygen SpeciesHEK293 CellsHumansMagnetic Field TherapyMicrofilament ProteinsCRACD protein, humanMicrofilament ProteinsReactive Oxygen Species

Identifiers

PMID33270696
PMCPMC7714230
OpenAlexW3109117734

What OpenQuestion holds

Textmetadata
LicenceCC BY
Read underepoch 390

Registered trials

None linked

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.