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Description
Fibrosarcoma, an aggressive form of soft tissue cancer, has demonstrated interactions with electromagnetic fields (EMF), particularly within the low frequency spectrum such as radio waves. Modeling cancer cells as feedback systems with time delays and considering nuclear spin coupling as potential modifiers for chemical reaction rates, their interaction with extremely low frequency (ELF) and low energy magnetic fields can be predicted. This study aims to investigate the effects of weak magnetic fields at extremely low frequencies superimposed on a geomagnetic field background on the growth rate of in vitro fibrosarcoma cultures. High-permeability metal enclosures are utilized to eliminate unaccounted environmental electromagnetic fields within the low frequency range. The experiments reveal altering the frequency of the alternating magnetic field can significantly impact fibrosarcoma growth rates, with shifts as small as 0.25 Hz resulting in transitions between acceleration and inhibition. Furthermore, investigation into mitochondrial calcium and superoxide levels at frequencies associated with accelerated growth reveals an overall reduction in both quantities, albeit to varying degrees. Varying the time-varying fields amplitude can cause growth rate reversal with a transition as small as 0.5 μT. These observations suggest HT-1080 sensitivity to minor frequency and amplitude changes of the magnetic fields due to multiple oscillatory biochemical pathways.
