Paper Information

Journal:   INTERNATIONAL JOURNAL OF RADIATION RESEARCH   2007 , Volume 5 , Number 3; Page(s) 119 To 124.
 
Paper: 

LOW-POWER DENSITY OF 950 MHZ RADIATION DOES NOT AFFECT LONG-TERM POTENTIATION IN RAT DENTATE GYRUS

 
 
Author(s):  JADIDI M., FIROUZABADI S.M.*, RASHIDIPOUR A., BOLOURI B., FATH ELAHI Y.
 
* DEPARTMENT OF MEDICAL PHYSICS, TARBIAT MODARES UNIVERSITY, TEHRAN, IRAN
 
Abstract: 

Introduction: Over the last decade, exposure to non-ionizing electromagnetic waves due to base station antenna has increased. This in vivo study was planned for evaluating the effects of whole-body exposure to 950 MHz field of GSM mobile phone system on rat dentate gyrus long-term potentiation.

Materials and Methods: 24 naive male Wistar rats (3 month old, 225±25 g) were randomly divided in the three groups (sham-exposed, GSM and continuous field exposed). The exposure program was planned for 10 sessions at 3 days. Animals were exposed to electromagnetic field for 45 minutes in a circular plastic chamber (mean power density=0.835 mW/cm2). Immediately after end exposure, anesthesia was induced for long term potentiation (LTP) induction. Field potentials were recorded and analyzed using the population spike amplitude and EPSP slope for 60- min.

Results: There were no significant differences in population spike amplitude, EPSP slope and EPSP slope maintenance among the three groups.
Conclusion: This study provides no evidence indicating that long-term potentiation can be affected by the whole-body exposure to low-power density of 950 MHz field of GSM mobile phone system.

 
Keyword(s): ELECTROMAGNETIC FIELD, BASE STATION, LONG-TERM POTENTIATION, DENTATE GYRUS, RAT
 
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