Pulsed electromagnetic fields activate a peripheral interoceptive pathway to suppress sympathetic Npy for osteogenesis.

PEMF improved bone measures in stressed mice, suggesting a peripheral nerve pathway worth investigating. This was not a human treatment trial.

Wang T, Liang Z, Zeng W, Chen J, Wang C, Gong X, Chen S, Zhou Y, Wu H, Tang L, Ma Y, Zhou D, Hong Z.
Nature communications · Publication date: 2026-09-29
Added to site: 2026-10-05
DOI: 10.1038/s41467-026-77654-2

Published September 29, 2026. Added October 5, 2026.

Modalities

PEMF

Clinical focus

Preclinical mechanisms, Stress-related bone loss

Population

Male mice, including genetic models; cultured cells

Sample

Main stress/bone experiment: six biological replicates per group; other experiments varied

Intervention / method

8-Hz, 3.8-mT PEMF for one hour daily over four weeks in mice

Comparator

Sham exposure and genetic/pharmacological pathway controls

Clinician summary

Experiments implicate sensory-nerve semaphorin 3A suppression of sympathetic neuropeptide Y signaling. Bone effects occurred without improved anxiety-like behavior or normalized systemic stress markers.

How to interpret the findings

Animal and cell findings do not establish clinical benefit, brain enhancement or human dosing. Male-mouse focus and small experiment-level samples limit generalization; human transcriptomic reanalysis is not a treatment test.

Equipment and disclosures

Custom signal generator and Helmholtz coil system.

National Natural Science Foundation of China and West China Hospital support; authors declare no competing interests.

Related evidence

Compare findings from the same clinical area, including mixed results.

• Combined photobiomodulation and pulsed electromagnetic field exposure attenuates nitric oxide production in high-glucose/LPS-stimulated RAW264.7 macrophages. · Positive with limitations