EFFECT OF D.C. MAGNETIC FIELDS ON Ca2+ TRANSPORT IN ISOLATED MUSCLE MICROSOMES
A. Ripamonti, R.B. Frankel, E.M. Ettienne · 1979
Strong magnetic fields altered calcium transport in muscle cells within 60 minutes, showing electromagnetic exposure affects fundamental cellular processes.
Plain English Summary
Researchers exposed muscle tissue from chicks to a 0.7 tesla magnetic field for up to 60 minutes, then measured calcium transport in cellular structures. They found that longer magnetic field exposure increased both the rate and total amount of calcium uptake by the muscle cells. This suggests magnetic fields can alter fundamental cellular processes that control muscle contraction.
Why This Matters
This 1979 study provides early evidence that magnetic fields can disrupt calcium regulation in muscle cells, a finding with significant implications for EMF health effects. Calcium transport is fundamental to cellular function, controlling everything from muscle contraction to nerve signaling. The researchers used a 0.7 tesla field, which is extraordinarily strong compared to everyday EMF exposure. For context, MRI machines operate at 1.5-3 tesla, while household appliances generate fields measured in millitesla or microtesla. What makes this study particularly relevant is that it demonstrates biological effects occur through disruption of calcium channels, a mechanism that appears consistently across EMF research. The science shows that even brief magnetic field exposure can alter cellular calcium handling, suggesting our cells are more sensitive to electromagnetic disturbance than previously understood.
Exposure Information
Specific exposure levels were not quantified in this study.
Show BibTeX
@article{effect_of_d_c_magnetic_fields_on_ca2_transport_in_isolated_muscle_microsomes_g5421,
author = {A. Ripamonti and R.B. Frankel and E.M. Ettienne},
title = {EFFECT OF D.C. MAGNETIC FIELDS ON Ca2+ TRANSPORT IN ISOLATED MUSCLE MICROSOMES},
year = {1979},
}