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Biofizika. 2003 May-Jun;48(3):511-20.

[Effect of low intensity of electromagnetic radiation in the centimeter and millimeter range on proliferative and cytotoxic activity of murine spleen lymphocytes].

[Article in Russian]

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Institute of Cell Biophysics, Russian Academy of Sciences, Pushchino, Moscow Region, 142290 Russia.


It was found that single total-body exposure to electromagnetic centimeter waves (8.15-18 GHz, 1 microW/cm2, 5 h) stimulated the proliferation of mouse T and B splenic lymphocytes. The same effects were observed upon in vivo treatment of rats for 5 h with millimeter waves (42.2 GHz, amplitude modulation 10 Hz, 1 microW/cm2). The whole-body irradiation with centimeter or millimeter waves did not cause any significant changes in natural activity of killer cells. The cellular responses induced by the irradiation of isolated animal cells in vitro did not coincide with those revealed after the total-body irradiation of animals. Thus, the in vitro irradiation of natural killer cells to millimeter waves for 1 h increased their cytotoxic activity whereas, after treatment to centimeter waves for the same time, the activity of killer cells did not change. On the contrary, irradiation of T and B lymphocytes with millimeter waves (42.2 GHz, amplitude modulation 10 Hz, 1 microW/cm2, 1 h) suppressed the blasttransformation of cells. The results show a higher immunostimulative potential of centimeter waves as compared to millimeter waves.

[Indexed for MEDLINE]

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