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No effects of UMTS exposure on the function of rat outer hair cells

TitleNo effects of UMTS exposure on the function of rat outer hair cells
Publication TypeArticolo su Rivista peer-reviewed
Year of Publication2009
AuthorsGalloni, P, Lopresto Vanni, Parazzini M., Pinto Rosanna, Piscitelli Marta, Ravazzani P., and Marino Carmela
JournalBioelectromagnetics
Volume30
Pagination385-392
ISSN01978462
KeywordsAbsorption, animal experiment, Animalia, Animals, article, audiology, Auditory, cell function, controlled study, distortion product otoacoustic emission, electromagnetic field, Electromagnetic Fields, external auditory canal, hair cell, Hair Cells, kanacill fortius, kanamycin, male, mobile phone, nonhuman, ototoxicity, Outer, priority journal, radiofrequency, rat, Rats, Rattus, Rodentia, Sprague-Dawley, statistical significance, Telecommunications, unclassified drug
Abstract

UMTS communication devices are becoming common in everyday use. This could raise public concern about their possible detrimental effects on human health. The aim of this study, in the framework of the EMF nEAR Project, was to evaluate possible influence of UMTS electromagnetic fields (EMF) exposure on cochlear outer hair cells' (OHCs) functionality in laboratory animals. Fortyeight male Sprague-Dawley rats were locally exposed (right ear) or sham-exposed to a controlled UMTSEMF, frequency of 1946 MHz, atSAR level of 10 W/kg, 2 h a day, 5 days a week, for 4 weeks.A group of 12 rats treated with kanamycin (KM) was also included as positive control. Rats were tested by recording Distortion Product Otaoacoustic Emissions (DPOAEs), a non-invasive test capable of assessing the status of the OHCs in the inner ear. DPOAEs were performed before, during (one or three times a week) and after (1-week) exposure to the EMF. The analysis of the data shows that no statistically significant differences were found between the audiological signals recorded from the different experimental groups. The ototoxic effect of KM has been confirmed. © 2009 Wiley-Liss, Inc.

Notes

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URLhttps://www.scopus.com/inward/record.uri?eid=2-s2.0-67649757503&doi=10.1002%2fbem.20483&partnerID=40&md5=7ad6e6f2dd9fa03a141481de706c501b
DOI10.1002/bem.20483
Citation KeyGalloni2009385