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Exposure to RF-EMF Alters Postsynaptic Structure and Hinders Neurite Outgrowth in Developing Hippocampal Neurons of Early Postnatal Mice

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Kim JH, Chung KH, Hwang YR, Park HR, Kim HJ, Kim HG, Kim HR · 2021

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RF-EMF exposure during early postnatal development reduced synaptic density markers and neurite outgrowth in hippocampal neurons, which correlated with decreased memory performance in exposed mice.

Plain English Summary

Summary written for general audiences

This study examined the effects of radiofrequency electromagnetic field (RF-EMF) exposure on developing hippocampal neurons in early postnatal mice exposed to 4.0 W/kg SAR for 5 hours daily over 4 weeks. The research found that RF-EMF exposure decreased dendritic spine density (particularly mushroom-type spines), reduced BDNF and glutamate receptor expression, hindered neurite outgrowth, and impaired memory function in exposed mice.

Why This Matters

The study employed both in vivo (whole pup exposure) and in vitro (primary cultured neurons) approaches to examine developmental neurotoxicity. The findings suggest potential mechanistic links between RF-EMF exposure, reduced synaptic plasticity markers (BDNF, PSD95), and functional cognitive outcomes during critical developmental windows.

Exposure Information

Specific exposure levels were not quantified in this study.

Cite This Study
Kim JH, Chung KH, Hwang YR, Park HR, Kim HJ, Kim HG, Kim HR (2021). Exposure to RF-EMF Alters Postsynaptic Structure and Hinders Neurite Outgrowth in Developing Hippocampal Neurons of Early Postnatal Mice.
Show BibTeX
@article{kim_jh_chung_kh_hwang_yr_park_hr_kim_hj_kim_hg_kim_hr_ce3309,
  author = {Kim JH and Chung KH and Hwang YR and Park HR and Kim HJ and Kim HG and Kim HR},
  title = {Exposure to RF-EMF Alters Postsynaptic Structure and Hinders Neurite Outgrowth in Developing Hippocampal Neurons of Early Postnatal Mice},
  year = {2021},
  doi = {10.1016/S1470-2045(21)00493-9},
  
}
DOI: 10.1016/S1470-2045(21)00493-9PubMed: 34069478

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