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Electromagnetic Biology and Medicine, Volume 27, Issue 3 September 2008 , pages 215 - 229

Blood-Brain Barrier Permeability and Nerve Cell Damage in Rat Brain 14 and 28 Days After Exposure to Microwaves from GSM Mobile Phones

Lunes 10 de noviembre de 2008 · 1698 lecturas

Blood-Brain Barrier Permeability and Nerve Cell Damage in Rat Brain 14 and 28 Days After Exposure to Microwaves from GSM Mobile Phones
Authors: Jacob L. Eberhardt a; Bertil R. R. Persson a; Arne E. Brun b; Leif G. Salford c; Lars O. G. Malmgren d
Affiliations: a Department of Medical Radiation Physics, Lund University Hospital, Lund, Sweden
b Department of Neuropathology, Lund University, Lund, Sweden
c Department of Neurosurgery (The Rausing Laboratory), Lund University, Lund, Sweden
d MAX-Lab, Lund University, Lund University, Lund, Sweden

DOI: 10.1080/15368370802344037
Publication Frequency: 4 issues per year
Published in: Electromagnetic Biology and Medicine, Volume 27, Issue 3 September 2008 , pages 215 - 229
Subjects: Cell Biology; Molecular Biology;
Formats available: HTML (English) : PDF (English)
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Abstract
We investigated the effects of global system for mobile communication (GSM) microwave exposure on the permeability of the blood-brain barrier and signs of neuronal damage in rats using a real GSM programmable mobile phone in the 900 MHz band. Ninety-six non-anaesthetized rats were either exposed to microwaves or sham exposed in TEM-cells for 2 h at specific absorption rates of average whole-body Specific Absorption Rates (SAR) of 0.12, 1.2, 12, or 120 mW/kg. The rats were sacrificed after a recovery time of either 14 or 28 d, following exposure and the extravazation of albumin, its uptake into neurons, and occurrence of damaged neurons was assessed. Albumin extravazation and also its uptake into neurons was seen to be enhanced after 14 d (Kruskal Wallis test: p = 0.02 and 0.002, respectively), but not after a 28 d recovery period. The occurrence of dark neurons in the rat brains, on the other hand, was enhanced later, after 28 d (p = 0.02). Furthermore, in the 28-d brain samples, neuronal albumin uptake was significantly correlated to occurrence of damaged neurons (Spearman r = 0.41; p < 0.01).
Keywords: Rats; CNS; Blood-brain barrier; Neuronal damage; Microwaves; Mobile phones

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