Permeability enhancement of Kv1.2 potassium channel by a terahertz electromagnetic field

Authors: Zhao X, Ding W, Wang H, Wang Y, Liu Y, Li Y, Liu C

Year: 2023 Jul 28

Category: Biophysics

Journal: J Chem Phys

DOI: 10.1063/5.0143648

URL: https://pubmed.ncbi.nlm.nih.gov/37486058/

Abstract

Abstract Summary

Overview

The study investigates the effects of terahertz electromagnetic fields on the Kv1.2 potassium ion channel, which plays a fundamental role in the propagation of biological electrical signals. The dynamics of these channels under the influence of varying frequencies are explored to understand their physiological impacts.

Findings

  • Ion channels, vital for biological electric signaling, respond significantly to terahertz bands.
  • Exposure to a 15 THz electromagnetic field enhances the permeability of the Kv1.2 potassium ion channel by 1.7 times compared to the channels without electromagnetic exposure.
  • Behavioral studies of water molecules during this process suggest accelerated dynamics that facilitate potassium ion passage, showcasing the energy-efficiency and heightened activity due to the 15 THz frequency.

Conclusion

This study highlights a significant increase in the permeability of Kv1.2 ion channels due to specific terahertz electromagnetic frequencies, suggesting a critical examination of the health implications of such environmental exposures.

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