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Behavioural profile of Wistar rats with unilateral striatal lesion by quinolinic acid (animal model of Huntington disease) post-injection of apomorphine and exposure to static magnetic field.

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Giorgetto C, Silva EC, Kitabatake TT, Bertolino G, de Araujo JE. · 2015

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Static magnetic fields at 3,200 Gauss protected brain neurons and improved motor function in rats with brain lesions.

Plain English Summary

Summary written for general audiences

Researchers exposed rats with brain lesions (modeling Huntington's disease) to 3,200 Gauss static magnetic fields for seven days. Magnetic field exposure preserved brain neurons and improved movement compared to untreated rats, suggesting static magnetic fields may help brain healing in neurological conditions.

Why This Matters

This study reveals something remarkable: static magnetic fields at 3,200 Gauss (320 millitesla) appeared to protect brain neurons and improve motor function in rats with brain lesions. What makes this particularly significant is the exposure level - 3,200 Gauss is roughly 64,000 times stronger than Earth's natural magnetic field, yet still within the range of some medical MRI machines and certain industrial applications. The research demonstrates that magnetic fields can have measurable biological effects on brain tissue and behavior, adding to the growing body of evidence that electromagnetic fields interact with biological systems in ways we're still discovering. While this was a therapeutic application rather than an adverse effect study, it underscores the reality that magnetic fields are not biologically inert - they can influence cellular processes, neuronal survival, and brain function in measurable ways.

Exposure Details

Magnetic Field
320 mG
Exposure Duration
7 days

Exposure Context

This study used 320 mG for magnetic fields:

Building Biology guidelines are practitioner-based limits from real-world assessments. BioInitiative Report recommendations are based on peer-reviewed science. Check Your Exposure to compare your own measurements.

Where This Falls on the Concern Scale

Study Exposure Level in ContextStudy Exposure Level in ContextThis study: 320 mGExtreme Concern - 5 mGFCC Limit - 2,000 mGEffects observed in the Extreme Concern rangeFCC limit is 6x higher than this level

Study Details

The aim of this study is to observe Behavioural profile of Wistar rats with unilateral striatal lesion by quinolinic acid (animal model of Huntington disease) post-injection of apomorphine and exposure to static magnetic field

We analysed the motor behaviour of Wistar rats after 7 days lesion in the left striatum, injected wi...

In the activity cage test for distance (F = 3.19), time of activity (F = 5.46) and crossings (F = 3....

Thus, the results suggest that the static magnetic field north and south promoted a distinct behavioural profile and morphological preservation after 7 days of lesion with quinolinic acid associated with APO.

Cite This Study
Giorgetto C, Silva EC, Kitabatake TT, Bertolino G, de Araujo JE. (2015). Behavioural profile of Wistar rats with unilateral striatal lesion by quinolinic acid (animal model of Huntington disease) post-injection of apomorphine and exposure to static magnetic field. Exp Brain Res. 233(5):1455-1462, 2015.
Show BibTeX
@article{c_2015_behavioural_profile_of_wistar_647,
  author = {Giorgetto C and Silva EC and Kitabatake TT and Bertolino G and de Araujo JE.},
  title = {Behavioural profile of Wistar rats with unilateral striatal lesion by quinolinic acid (animal model of Huntington disease) post-injection of apomorphine and exposure to static magnetic field.},
  year = {2015},
  
  url = {https://pubmed.ncbi.nlm.nih.gov/25665872/},
}
PubMed: 25665872

Cited By (9 papers)

Quick Questions About This Study

Research suggests static magnetic fields may support brain healing. A 2015 study found that exposing brain-injured rats to 3,200 Gauss magnetic fields for seven days preserved neurons and improved movement compared to untreated animals, indicating potential therapeutic benefits for neurological conditions.
Static magnetic fields can influence brain neurons in beneficial ways. Research on rats with brain lesions showed that seven days of magnetic field exposure preserved more neurons compared to untreated animals, suggesting magnetic fields may protect brain cells from damage.
Limited animal research suggests static magnetic field therapy may be beneficial for movement disorders. A study using rats with Huntington's disease-like symptoms found improved movement and better neuron preservation after magnetic field exposure, though human studies are needed.
Static magnetic fields may promote brain healing by preserving neurons and improving function. Research found that rats with brain lesions showed better movement and fewer damaged neurons after seven days of 3,200 Gauss magnetic field exposure compared to controls.
Animal research suggests static magnetic fields might help Huntington's disease symptoms. A study found that magnetic field exposure improved movement and preserved brain neurons in rats with Huntington's-like brain damage, though human clinical trials haven't been conducted yet.