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Pulsed electromagnetic fields mediate sensory nerve regulation for bone formation in aging models

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Wang T, Liang Z, Wang C, Chen J, Ma Y, Chen S, Zhou D, Hong Z · 2025

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The Sema3A-Nrp1 signaling pathway activated by sensory nerves appears essential for PEMF-mediated bone formation benefits in aging, suggesting a potential therapeutic mechanism for osteoporosis treatment.

Plain English Summary

Summary written for general audiences

This review examined how pulsed electromagnetic fields (PEMFs) promote bone formation in aging male mice through sensory nerve signaling. The study found that PEMFs stimulate sensory nerves to release semaphorin 3A (Sema3A), which activates the Sema3A-Nrp1 pathway in mesenchymal stem cells to enhance osteogenesis, reduce adipogenesis, and counter cellular senescence associated with aging.

Why This Matters

This study identifies a specific molecular pathway linking electromagnetic field exposure to bone health through nerve-mediated signaling, which represents a mechanistic advance in understanding PEMF bioeffects. The findings emphasize the role of sensory innervation in age-related bone loss and regeneration.

Exposure Information

Specific exposure levels were not quantified in this study.

Cite This Study
Wang T, Liang Z, Wang C, Chen J, Ma Y, Chen S, Zhou D, Hong Z (2025). Pulsed electromagnetic fields mediate sensory nerve regulation for bone formation in aging models.
Show BibTeX
@article{pulsed_electromagnetic_fields_mediate_sensory_nerve_regulation_for_bone_formation_in_aging_models_ce4254,
  author = {Wang T and Liang Z and Wang C and Chen J and Ma Y and Chen S and Zhou D and Hong Z},
  title = {Pulsed electromagnetic fields mediate sensory nerve regulation for bone formation in aging models},
  year = {2025},
  doi = {10.1038/s41593-025-01907-4},
  
}
DOI: 10.1038/s41593-025-01907-4PubMed: 41022817

Quick Questions About This Study

Brain connectivity peaks in the late fourth decade of life (late 30s), while connectivity variance peaks in the late third decade (late 20s). This represents the culmination of decades of brain network development and refinement.
The study analyzed brain scans from 33,250 individuals across 132 global sites, making it one of the largest brain connectivity studies ever conducted. Participants ranged from 32 weeks of fetal development to 80 years old.
Primary sensorimotor regions mature first, followed by higher-order association regions. This spatiotemporal pattern shows brain development progresses from basic sensory and motor functions to more complex cognitive abilities over decades.
Yes, the researchers created normative reference maps that can quantify individual variation in brain development, aging, and neuropsychiatric disorders. This allows comparison of individual brain patterns against typical development trajectories.
This study covers the entire human lifespan from fetal development to 80 years using the largest dataset ever assembled. It created fine-grained brain atlases showing distinct maturation timelines for different brain systems.