No significant Cytogenetic Effects in Cultured Human Lymphocytes Exposed to Cell Phones Radiofrequencies (900MHz and 1800MHz)

صخلملا The aim of this study isto examine whether radiofrequency (RF) used in cellular phone communications at a specific absorption rate (SAR) less than 1.2 w/kg could increase the spontaneous rate of sister chromatid exchanges (SCE) or elicit alterations both in the cell replication index (CRI) and mitotic index (MI) in human peripheral blood lymphocytes. Whole blood samples were obtained from twenty six healthy donors (male nonsmokers). Cultures were placed in sterile T-25 tissue flasks and sham-exposed or RFexposed to 900 MHz or 1800 MHz radiation for 1 h, then incubated for 72 h at 37 °C. The mean SCE values of both RF exposure groups slightly increased, as compared with the sham-exposure group. However, there was no significant difference between the RF exposure groups and sham-RF exposure group. Compared with the negative control, both CRI and MI were nonsignificantly elevated after exposure to both frequencies, but to a lesser extent in case of 1800 MHz exposure. In view of the present guidelines of mutagenicity, which necessitates at least two-fold increase in SCE rate, RF is not considered as mutagenic. ةيويدارلا تاجوملا تناآ اذا ام يصقت ىلا ةساردلا هذه تفده ددحم صاصتما لدعم دنع ،لاقنلا فتاهلا يف ةمدختسملا ) نم لقا 1,2 مارغ وليآ لكل طاو ( قش تلادابتلل يعيبطلا لدعملا ديزت ، ةيغبصلا ا تايوتسملا رييغت ىلاو ةيفمللا اي لاخلا ماسقنا و رثاكت يلماعمل ةيداعل ةيرشبلا . لاجرلا نم اعوطتم نيرشعو ةتس نم مد تانيع تذخا دق و نينخدملا ريغ . تاجوم نم نييوتسمل ايلاخلا عرازم ضيرعت متو لاقنلا فتاهلا ) 900 و 1800 زتريه اغيم ( ةدحاو ةعاس ةدمل . دعب و نيتنثا لا ةعارزلا ةدم تلمآا ،كلذ ةرارح ةجرد ىلع ةعاس نيعبس و 37 سيسليس . ةللاد تاذ تسيل ،ةليئض ةدايز ثحبلا جئاتن ترهظا و قش تلادابتلا تلادعم يف ،ةيئاصحا ةضرعتملا ايلاخلا يف ةيغبصلا ةطباضلا ايلاخلاب ةنراقم ،نيددرتلا نم يلأ , ةدايز ةساردلا تنيب امآ لماعم يف ،يئاصحا ىنعم اذ تسيل اهنكل ،ةظوحلم ماسقنا و رثاكت ي ةطباضلا عرازملا عم ةنراقملاب ،ايلاخلا . و رثآا ةدايزلا هذه تناآو ىلع لاا ددرتلا ىوتسم دنع احوض . ةيملاعلا تاميلعتلا ءوض يف و ضرعتلا نا جاتنتسلاا نكمي هناف ،ةيثارولا ةيمسلاب ةقلعتملا ةيلاحلا ؤت لا لاقنلا فتاهلا تاعاعشا نم ةسوردملا تايوتسملل يف ابلس رث ةداملا ةيثارولا . © 2009 Jordan Journal of Biological Sciences. All rights reserved