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Abstract Title:

GSM 900 MHz cellular phone radiation can either stimulate or depress early embryogenesis in Japanese quails depending on the duration of exposure.

Abstract Source:

Int J Radiat Biol. 2013 Sep ;89(9):756-63. Epub 2013 May 13. PMID: 23578013

Abstract Author(s):

Olexandr Tsybulin, Evgeniy Sidorik, Olga Brieieva, Lyubov Buchynska, Sergiy Kyrylenko, Diane Henshel, Igor Yakymenko

Article Affiliation:

Olexandr Tsybulin

Abstract:

PURPOSE: Our study was designed to assess the effects of low intensity radiation of a GSM (Global System for Mobile communication) 900 MHz cellular phone on early embryogenesis in dependence on the duration of exposure.

MATERIALS AND METHODS: Embryos of Japanese Quails were exposed in ovo to GSM 900 MHz cellular phone radiation during initial 38 h of brooding or alternatively during 158 h (120 h before brooding plus initial 38 h of brooding) discontinuously with 48 sec ON (average power density 0.25μW/cm(2), specific absorption rate 3 μW/kg) followed by 12 sec OFF intervals. A number of differentiated somites were assessed microscopically. Possible DNA damage evoked by irradiation was assessed by an alkaline comet assay.

RESULTS: Exposure to radiation from a GSM 900 MHz cellular phone led to a significantly altered number of differentiated somites. In embryos irradiated during 38 h the number of differentiated somites increased (p<0.001), while in embryos irradiated during 158 h this number decreased (p<0.05). The lower duration of exposure led to a significant (p<0.001) decrease in a level of DNA strand breaks in cells of 38-h embryos, while the higher duration of exposure resulted in a significant (p<0.001) increase in DNA damage as compared to the control.

CONCLUSION: Effects of GSM 900 MHz cellular phone radiation on early embryogenesis can be either stimulating or deleterious depending on the duration of exposure.

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Sayer Ji
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