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Sinusoidal Extremely Low-Frequency Electromagnetic Stimulation (ELF-EMS) Promotes Angiogenesis In Vitro.

Lena Perez Font^1,2, Amanda Moya-Gomez¹, Hannelore Kemps³

¹UHasselt-Hasselt University, Faculty of Medicine, and Life Sciences, BIOMED, Agoralaan C, 3590 Diepenbeek, Belgium.

|June 26, 2025

Summary

This summary is machine-generated.

Extremely low-frequency electromagnetic stimulation (ELF-EMS) significantly promotes angiogenesis, the formation of new blood vessels. This process, vital for tissue repair and recovery from injuries like stroke, was enhanced by ELF-EMS in laboratory and in ovo models.

Keywords:

angiogenesis endothelial cell extremely low-frequency electromagnetic stimulation nitric oxide

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Published on: May 11, 2021

Area of Science:

Biomedical Engineering
Cell Biology
Regenerative Medicine

Background:

Angiogenesis, the formation of new blood vessels, is crucial for tissue repair and recovery from ischemic injuries.
Extremely low-frequency electromagnetic stimulation (ELF-EMS) has shown potential in improving cerebral blood flow and recovery post-stroke.
Previous research suggests ELF-EMS effects are dependent on endothelial nitric oxide synthase (eNOS).

Purpose of the Study:

To investigate the effects of ELF-EMS (13.5 mT/10 and 60 Hz) on angiogenic processes in vitro.
To explore the role of nitric oxide (NO) and calcium in ELF-EMS-induced angiogenesis.
To assess in vivo angiogenesis using a chicken chorioallantoic membrane (CAM) assay.

Main Methods:

Human microvascular endothelial cells (HMEC-1) were used to study proliferation, migration, and tube formation.
Nitric oxide (NO) production and the influence of calcium were measured.
The chicken chorioallantoic membrane (CAM) assay was employed to evaluate blood vessel formation in ovo.

Main Results:

ELF-EMS significantly increased HMEC-1 cell proliferation, migration, and tube formation.
ELF-EMS-induced cell transmigration was mediated by NO, and calcium inhibition reduced NO production.
Significant enhancement of blood vessel formation was observed in the CAM assay following ELF-EMS exposure.

Conclusions:

ELF-EMS (13.5 mT/10 and 60 Hz) effectively induces angiogenesis in vitro and in ovo.
The findings highlight ELF-EMS as a potential therapeutic strategy for conditions involving insufficient blood supply.
NO plays a critical role in mediating ELF-EMS-induced angiogenic responses.