External RF-EMF alters cell number and ROS balance possibly via the regulation of NADPH metabolism and apoptosis

Front Public Health. 2024 Aug 9:12:1425023. doi: 10.3389/fpubh.2024.1425023. eCollection 2024.

Abstract

The influence of weak radio-frequency electromagnetic field (RF-EMF) on living organisms raises new concern because of the Industrial, Scientific, and Medical (ISM) frequency band at 6.78 MHz being promoted by the AirFuel Alliance for mid-range wireless power transfer (WPT) applications and product development. Human exposure to the RF-EMF radiation is unavoidable. In this study, we employed in vitro cell culture and molecular biology approach coupled with integrated transcriptomic and proteomic analyses to uncover the effects of RF-EMF on cells at molecular and cellular levels. Our study has demonstrated that weak RF-EMF is sufficient to exert non-thermal effects on human umbilical vein endothelial cells (HUVEC). Exposure of weak RF-EMF promotes cell proliferation, inhibits apoptosis and deregulates ROS balance. Alteration of several signaling pathways and key enzymes involved in NADPH metabolism, cell proliferation and ferroptosis were identified. Our current study provide solid evidence for the first time that the present safety standards that solely considered the thermal effect of RF-EMF on cell tissue are inadequate, prompt response and modification of existing Guidelines, Standards and Regulation are warranted.

Keywords: RF-EMF radiation; cellular responses; metabolism; mid-range wireless power transfer; reactive oxygen species.

MeSH terms

  • Apoptosis*
  • Cell Proliferation*
  • Electromagnetic Fields* / adverse effects
  • Human Umbilical Vein Endothelial Cells*
  • Humans
  • NADP* / metabolism
  • Radio Waves* / adverse effects
  • Reactive Oxygen Species* / metabolism
  • Signal Transduction

Substances

  • Reactive Oxygen Species
  • NADP