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Modulation of the biphasic pattern of cortical reorganization in spinal cord-transected rats by external magnetic fields

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Kaur S, Jain S, Bhardwaj R, Kumaran SS, Kochhar KP · 2025

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ELF-MF exposure enhanced functional recovery following complete spinal cord injury in rats by favorably modulating molecular markers of cortical plasticity while maintaining normal biphasic expression patterns.

Plain English Summary

Summary written for general audiences

This study investigated whether extremely low-frequency magnetic fields (ELF-MF) could modulate cortical reorganization patterns in rats with complete spinal cord injury by affecting BDNF and Nogo-A levels. After 32 days of ELF-MF exposure, treated rats showed significant improvements in locomotor function, pain sensitivity, grip strength, and lesion volume, along with increased BDNF and decreased Nogo-A expression compared to untreated spinal cord injury controls.

Why This Matters

Cortical reorganization following spinal cord injury involves complex molecular changes; this study suggests magnetic field exposure may enhance recovery by promoting neurotrophic support (BDNF) while reducing neurite growth inhibition (Nogo-A). The findings are preliminary, conducted in a rodent model, and would require further validation to determine clinical relevance in humans.

Exposure Information

Specific exposure levels were not quantified in this study.

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Cite This Study
Kaur S, Jain S, Bhardwaj R, Kumaran SS, Kochhar KP (2025). Modulation of the biphasic pattern of cortical reorganization in spinal cord-transected rats by external magnetic fields.
Show BibTeX
@article{kaur_s_jain_s_bhardwaj_r_kumaran_ss_kochhar_kp_ce4432,
  author = {Kaur S and Jain S and Bhardwaj R and Kumaran SS and Kochhar KP},
  title = {Modulation of the biphasic pattern of cortical reorganization in spinal cord-transected rats by external magnetic fields},
  year = {2025},
  
  
}
PubMed: 40994017

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