Webinar-MRI Biomarkers Date: Oct 25, 2020

Image: Robina Weermeijer Unsplash.com

•What is the context of these MRI biomarkers and the relationship with other biomarkers?

•Could these biomarkers be helpful for those with EHS/MCS?

The studies below will be discussed in our webinar:

Yang, L., Zhang, C., Chen, Z. et al. Functional and network analyses of human exposure to long-term evolution signal. Environ Sci Pollut Res (2020). https://doi.org/10.1007/s11356-020-10728-w
Abstract: Human exposure to the electromagnetic field emitted by wireless communication systems has raised public concerns. There were claims of the potential association of some neurophysiological disorders with the exposure, but the mechanism is yet to be established. The wireless networks, recently, experience a transition from the 4th generation (4G) to 5th generation (5G), while 4G long-term evolution (LTE) is still the frequently used signal in wireless communication. In the study, exposure experiments were conducted using the LTE signal. The subjects were divided into sham and real exposure groups. Before and after the exposure experiments, they underwent functional magnetic resonance imaging. Within-session and between-session comparisons have been executed for functional connectivity and network properties. Individual specific absorption rate (SAR) was also calculated. The results indicated that acute LTE exposure beneath the safety limits modulated both the functional connection and graph-based properties. To characterize the effect of functional activity, SAR averaged over a certain tissue mass was not an appropriate metric. The potential neurophysiological effect of 5G exposure has also been discussed in the study. 

Chutinet A, Rost NS. White matter disease as a biomarker for long-term cerebrovascular disease and dementia. Curr Treat Options Cardiovasc Med. 2014 Mar;16(3):292. doi: 10.1007/s11936-013-0292-z. PMID: 24496967; PMCID: PMC3964019.  

We have also decided to add the following study and reflect upon the data presented in the paper:

No Increased DNA Damage Observed in the Brain, Liver, and Lung of Fetal Mice Treated With Ethylnitrosourea and Exposed to UMTS Radiofrequency Electromagnetic Fields https://onlinelibrary.wiley.com/doi/full/10.1002/bem.22301

To atttend the free webinar, kindly contact us at: https://www.emfsa.co.za/contact/

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