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2008 | 17 | 5 |

Tytuł artykułu

The effect of extremely low-frequency magnetic fields on the morphology of thyroid gland cells on female rats

Warianty tytułu

Języki publikacji

EN

Abstrakty

EN
The aim of this study was the evaluation of the influence of extremely low-frequency magnetic fields (ELF-MF) on the morphology of thyroid epithelial cells in female rats. The rats were exposed to ELF–MF (frequency: 5-10 Hz, induction 10 mT), 1 hour daily for 7 days over a week for 4 months. Control animals were sham exposed. After that time the rats were sacrificed by anaesthetizing with Ketamine and decapitated. The animals’ thyroid glands were extracted. They served as microscopic preparations. In the preparations, the thyreocytes, nuclei, nucleoli and nucleo-cytoplasmatic ratio were evaluated. We concluded that changes in the location of nuclei, surface field, the number and surface of nucleoli and nucloli organizers show an increase in reply activity in the nuclei of thyreocytes and a probable increase of DNA synthesis.

Wydawca

-

Rocznik

Tom

17

Numer

5

Opis fizyczny

p.757-763,ref.

Twórcy

autor
  • Medical University of Silesia, Zabrze, Poland
autor
autor

Bibliografia

  • 1. BALCEVAGE W.X., ALVAGER T., SWEZ J., GOFF C.W., FOX M.T., Abdullyava S., KING M.W. A. Mechanism for action of Extremely Low Frequency Electromagnetic Fields on Biological Systems. Biochem Biophys Res Commun. 222, 374, 1996.
  • 2. BLANK M. Biological effects of environmental electromagnetic fields molecular mechanism. Biosystems 35, 175, 1995.
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  • 5. PERSINGER M.A., GLAVIN G.B., OSSENKOPP K.P. Physiological changes in adult rats exposed to an ELF rotating magnetic field. Int J Biometeor 16, 163, 1972.
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  • 7. GOODMAAN R., LIN H., BLANK M. The mechanism of magnetic fields stimulation of the stress response is similar to other environmental stress. Electricity and Magnetism in Biology and Medicine, In Bersani F (eds); Kluwer Academic/Plenum Publishers: New York, Boston, Dordrecht, London, Moscow, pp. 179-182, 1999.
  • 8. MATAVULJ M., RAJKOVIC V., USCERBKA G., ZIKIC D., STEVANOVIC D., LAZETIC B. Electromagnetic field effects on the morphology of rat thyroid gland. Electricity and Magnetism in Biology and Medicine, In Bersani F (eds); Kluwer Academic/Plenum Publishers: New York, Boston, Dordrecht, London, Moscow, pp. 489-492. 1999.
  • 9. PROKHVATILO E.V. [Reaction of the endocrine system to the effect of an electromagnetic field of industrial frequency (50Hz)]. Reaktsiia endokrinnoi sistemy na vozdeistvie elektromagnitnogo polia promyshlennoi chastoty (50 GTs). Vrach Delo 11, 135, 1976.
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  • 11. SIERON A., BRUS R., SZKILNIK R., PLECH A., KUBANSKI N., CIESLAR G. Influence of alternating low frequency magnetic fields on reactivity of central dopamine receptors in neonatal 6-hydroxydopamine treated rats. Bioelectromagnetics 22(7), 479, 2001.
  • 12. SIERON A., LABUS L., NOWAK P., CIESLAR G., BRUS H., DURCZOK A, ZAGZIL T., KOSTRZEWA R.M., BRUS R. Alternating extremely low frequency magnetic field increases turnover of dopamine and serotonin in rat frontal cortex. Bioelectromagnetics 25(6), 426, 2004.
  • 13. CANET V., MONTMASSON M.P., USSON Y., GIROUD F., BRUGAL G. Correlation between silver-stained nucleolar organizer region area and cell cycle time. Cytometry 43(2), 110, 2001.
  • 14. LAFRANIERE G.F., PERSINGER M.A.Thyroid morphology and activity does not respond to ELF electromagnetic field exposures. Experientia 15, 35(4), 561, 1979.
  • 15. SIERON A. Magnetoterapia Magnetostymulacja. Podstawy cz. II. Acta Bio-Opt Et Inf Med 4, 45, 1998 [In Polish].
  • 16. PERSHIN S.B., BOGOLIUBOV V.M., KUZ'MIN S.N., KOZLOVA N.N., GALENCHIK A.I. [Immunobiological effects of a decimeter - range electromagnetic field in its exposure over the area of the thyroid gland]. Immunobiologicheskie effekty elektromagnitnogo polia detsimetrovogo diapazona pri ego vozdeistvii na oblasti shchitovidnoi zhelezy. Zh Mikrobiol Epidemiol Immunobiol 4, 76, 1983.
  • 17. MATAVULJ M., RAJKOVIC V., USCERBKA G., GUDOVIC R., STEVANOVIC D., LAZETIC B. Structural and steorogical analysis of rat thyroid gland after exposure to an electromagnetic field. Acta Veterinaria 46, 285, 1996.
  • 18. BLANK M. Mechanism of biological interaction with electric and magnetic fields. Electricity and Magnetism in Biology and Medicine, In Bersani F (eds); Kluwer Academic/Plenum Publishers: New York, Boston, Dordrecht, London, Moscow, pp. 21-25, 1999.
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  • 20. IATROPOULOS M.J., WILLIMS G.M. Proliferationmarkers. Exp Toxicol Pathol. 48(2-3), 175, 1996.
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  • 22. OSSENKOPP K.P., KOLTEK W.T., PERSINGER M.A. Prenatal exposure to an extremely low frequency - low intensity rotating magnetic field and increases in thyroid and testicle weight in rats. Develop Psychobiol 5, 275, 1972.
  • 23. RAJKOVIC V., MATAVULJ M., JOHANSSON O. The effect of extremely low-frequency electromagnetic fields on skin and thyroid amine- and peptide-containing cells in rats: an immunohistochemical and morphometrical study. Environ Res 99(3), 369, 2005.
  • 24. RAJKOVIC V., MATAVULJ M., LAZERIC B. Stereological analysis of thyroid mast cells in rats after exposure to extremely low frequency electromagnetic field and the following "off" field period. Acta Biol. Hung. 56(1-2), 43, 2005.
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  • 29. KARASEK M., WOLDANSKA-OKONSKA M. Electromagnetic fields and human endocrine system. Scientific World Journal. 20(4), Suppl 2, 23, 2004.

Typ dokumentu

Bibliografia

Identyfikatory

Identyfikator YADDA

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