Effects of 1-Week and 6-Week Exposure to GSM/DCS Radiofrequency Radiation on Micronucleus Formation in B6C3F1 Mice

Bernd-D. Görlitz, Meike Müller, Sven Ebert, Hartmut Hecker, Niels Kuster, and Clemens Dasenbrock, in Radiation Research, Volume 164, Number 4 pt 1, pp. 431–439, October 2005

The aim of this study was to examine the possible induction of micronuclei in erythrocytes of the peripheral blood and bone marrow and in keratinocytes and spleen lymphocytes of mice exposed to radiofrequency (RF) radiation for 2 h per day over periods of 1 and 6 weeks, respectively. The applied signal simulated the exposure from GSM900 and DCS1800 handsets (center channel of uplink), including DTX, nonDTX, handovers and power control. Uniform whole-body exposure was achieved with the PERFORM A mice setups. Mice were exposed to slot-averaged whole-body SARs of 33.2, 11.0, 3.7 and 0 mW/g during the 1-week study and 24.9, 8.3, 2.8 and 0 mW/g during the 6-week study. During both experiments and for both frequencies, no clinical abnormalities were detected in the animals nor any influence on the formation of red blood cells. After 1 week of exposure, the ratio of polychromatic to normochromatic erythrocytes was unchanged in the treated groups compared to the sham-exposed groups. Furthermore, the RF-field exposure of mice did not induce an increase in the number of micronuclei in erythrocytes of the bone marrow or peripheral blood, in keratinocytes, or in spleen lymphocytes compared to the sham-treated control.

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