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In vitro non-thermal oxidative stress response after 1800 MHz radiofrequency radiation (CROSBI ID 240052)

Prilog u časopisu | izvorni znanstveni rad | međunarodna recenzija

Marjanović Čermak, Ana Marija ; Pavičić, Ivan ; Tariba Lovaković, Blanka ; Pizent, Alica ; Trošić, Ivančica In vitro non-thermal oxidative stress response after 1800 MHz radiofrequency radiation // General physiology and biophysics, 36 (2017), 4; 407-414. doi: 10.4149/gpb_2017007

Podaci o odgovornosti

Marjanović Čermak, Ana Marija ; Pavičić, Ivan ; Tariba Lovaković, Blanka ; Pizent, Alica ; Trošić, Ivančica

engleski

In vitro non-thermal oxidative stress response after 1800 MHz radiofrequency radiation

In this study possible connection between radiofrequency exposure (RF) and development of oxidative stress was investigated by measuring impairment in cellular oxidation-reduction balance immediately after RF exposure. Fibroblast cells, V79 were exposed for 10, 30 and 60 minutes to 1800 MHz RF radiation. Electric field strength was 30 V/m and specific absorption rate (SAR) was calculated to be 1.6 W/kg. Electromagnetic field was generated within Gigahertz Transversal Electromagnetic Mode cell (GTEM) equipped by signal generator, amplifier and modulator. Cell viability was determined by CCK-8 colorimetric assay and level of reactive oxygen species (ROS) was detected by dihydroethidium staining. Reduced glutathione (GSH) and glutathione peroxidase (GSH-Px) were used to assess cell antioxidant activity while lipid oxidative damage was evaluated measuring concentration of malondialdehyde. Viability of V79 cells remained within normal physiological values regardless of exposure time. Increased level of superoxide radicals was detected after 60 minute-exposure. Significantly higher GSH level was observed immediately after 10 minute-exposure with higher but insignificant activity of GSH-Px. Lipid oxidative damage in exposed cell samples was not observed. Short-term RF exposure revealed transient oxidation-reduction imbalance in fibroblast cells following adaptation to applied experimental conditions.

fibroblast cells ; viability ; glutathione ; malondialdehyde ; oxidation-reduction balance

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Podaci o izdanju

36 (4)

2017.

407-414

objavljeno

0231-5882

10.4149/gpb_2017007

Povezanost rada

nije evidentirano

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