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Science 17 June 1983:
Vol. 220. no. 4603, pp. 1283 - 1285
DOI: 10.1126/science.6857248
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Articles

Science, Vol 220, Issue 4603, 1283-1285
Copyright © 1983 by American Association for the Advancement of Science

articles

Pulsing electromagnetic fields induce cellular transcription

R Goodman, CA Bassett, and AS Henderson

Weak, pulsing electromagnetic fields can modify biological processes. The hypothesis that responses to such induced currents depend on pulse characteristics was evaluated by using transcription as the target process. Two pulses in clinical use, the repetitive single pulse and the repetitive pulse train, were tested. These pulses produced different results from each other and from controls when transcription in dipteran salivary gland cells was monitored with tritiated uridine in transcription autoradiography, cytological nick translation, and analysis of isolated RNA fractions. The single pulse increased the specific activity of messenger RNA after 15 and 45 minutes of exposure. The pulse train increased specific activity only after 45 minutes of exposure.


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