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Exposure to wireless phone emissions and serum beta-trace protein
Department of Oncology, University Hospital, SE-701 85 Örebro.
Department of Oncology, University Hospital, SE-701 85 Örebro.
Department of Oncology, University Hospital, SE-701 85 Örebro.
Institute of Neuroscience and Physiology, Department of Psychiatry and Neurochemistry, the Sahlgrenska Academy at the University of Gothenburg, Sahlgrenska University Hospital/Mölndal, SE-431 80 Mölndal.
Vise andre og tillknytning
2010 (engelsk)Inngår i: International Journal of Molecular Medicine, ISSN 1107-3756, E-ISSN 1791-244X, Vol. 26, nr 2, s. 301-306Artikkel i tidsskrift (Fagfellevurdert) Published
Abstract [en]

The lipocalin type of prostaglandin D synthase or β-trace protein is synthesized in the choroid plexus, leptomeninges and oligodendrocytes of the central nervous system and is secreted into the cerebrospinal fluid. β-trace protein is the key enzyme in the synthesis of prostaglandin D2, an endogenous sleep-promoting neurohormone in the brain. Electromagnetic fields (EMF) in the radiofrequency (RF) range have in some studies been associated with disturbed sleep. We studied the concentration of β-trace protein in blood in relation to emissions from wireless phones. This study included 62 persons aged 18-30 years. The concentration of β-trace protein decreased with increasing number of years of use of a wireless phone yielding a negative β coefficient = -0.32, 95% confidence interval -0.60 to -0.04. Also cumulative use in hours gave a negative β coefficient, although not statistically significant. Of the 62 persons, 40 participated in an experimental study with 30 min exposure to an 890-MHz GSM signal. No statistically significant change of β-trace protein was found. In a similar study of the remaining 22 participants with no exposure, β-trace protein increased significantly over time, probably due to a relaxed situation. EMF emissions may down-regulate the synthesis of β-trace protein. This mechanism might be involved in sleep disturbances reported in persons exposed to RF fields. The results must be interpreted with caution since use of mobile and cordless phones were self-reported. Awareness of exposure condition in the experimental study may have influence β-trace protein concentrations.

sted, utgiver, år, opplag, sider
2010. Vol. 26, nr 2, s. 301-306
Emneord [en]
beta-trace protein, cordless phones, mobile phones, prostaglandin D synthase, radio frequency fields, sleep disturbance
HSV kategori
Forskningsprogram
radiofysik
Identifikatorer
URN: urn:nbn:se:umu:diva-34845DOI: 10.3892/ijmm_00000466ISI: 000280115900018PubMedID: 20596612OAI: oai:DiVA.org:umu-34845DiVA, id: diva2:325936
Tilgjengelig fra: 2010-06-21 Laget: 2010-06-21 Sist oppdatert: 2018-06-08bibliografisk kontrollert

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