Funk · American journal of translational research 2018 · narrative review · n=?

Coupling of pulsed electromagnetic fields (PEMF) therapy to molecular grounds of the cell.

Cited 45 times in the scientific literature.

Level 5 - mechanism / opinion, no new human data

Narrative review focused on biological mechanisms and theoretical molecular pathways.

PubMed 29887943 · record verified 2026-08-28

What was done

This narrative review synthesizes published literature to explore the rationale and cellular mechanisms of pulsed electromagnetic field (PEMF) therapy, with a focus on chronic joint inflammation and arthritis. The authors examined clinical outcomes reported in existing literature and mapped potential endogenous bioelectric targets, including resting membrane potentials, charged membrane transporters, and voltage-gated calcium channels, to downstream intracellular signaling cascades.

What was found

The abstract provides no quantitative data, effect sizes, or meta-analytic numbers. Qualitatively, the review proposes that PEMF interacts with endogenous triggers such as resting membrane potential and resonance in membrane transporters, particularly activating voltage-gated calcium channels. This triggering is suggested to modulate nitric oxide production, moderate radical reactions, regulate transcription factors such as NF-κB, and ultimately downregulate inflammatory interleukins.

Why it matters

The review provides a theoretical and mechanistic framework connecting external electromagnetic field application to specific cell-surface targets and anti-inflammatory signaling pathways in joint disease.

Limits

The abstract reports no primary clinical or experimental data, systematic search protocol, or quantitative synthesis. Proposed cellular pathways represent narrative mechanism-based reasoning without direct proof of clinical efficacy or clear therapeutic dosing parameters.

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