Cytostatic response of NB69 cells to weak pulse-modulated 2.2 GHz radar-like signals
Authors not listed · 2011
Exposure to pulse-modulated 2.2 GHz radar-like signals at 0.023 W/kg SAR reduced NB69 cell numbers by 13.5% but did not affect HepG2 cells.
Plain English Summary
Researchers exposed two human cancer cell lines to a 2.2 GHz pulse-modulated radar-like signal for 24 hours at an average SAR of 0.023 W/kg. The exposure was subthermal with a temperature rise below 0.1 °C. NB69 neuroblastoma cells showed a 13.5% reduction in cell number and increases in G0/G1 and G2/M phase proportions, while HepG2 hepatocarcinoma cells did not respond.
Why This Matters
A complete discretized model of the exposure setup was created for numerical dosimetry using FDTD software SEMCAD X. The authors concluded that pulse-modulated RF radiation with high instantaneous amplitude and low average power can induce cytostatic responses in specific sensitive cancer cell lines. They suggested the effect is mediated at least in part by alterations in cell cycle kinetics.
Exposure Information
Specific exposure levels were not quantified in this study.
Show BibTeX
@article{cytostatic_response_of_nb69_cells_to_weak_pulse_modulated_22_ghz_radar_like_signals_ce751,
author = {Unknown},
title = {Cytostatic response of NB69 cells to weak pulse-modulated 2.2 GHz radar-like signals},
year = {2011},
doi = {10.1002/bem.20643},
}