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Evaluation of testicular degeneration induced by low-frequency electromagnetic fields

✍ Scribed by Bruno Mendes Tenorio; George Chaves Jimenez; Rosana Nogueira de Morais; Christina Alves Peixoto; Romildo de Albuquerque Nogueira; Valdemiro Amaro da Silva Junior

Publisher
John Wiley and Sons
Year
2011
Tongue
English
Weight
436 KB
Volume
32
Category
Article
ISSN
0260-437X

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✦ Synopsis

ABSTRACT

The population exposure to electromagnetic fields (EMF) has been growing in recent decades. The generation, distribution and use of electric energy can generate low‐frequency electromagnetic fields. The present study investigates the effects of EMF (60 Hz and 1 mT) on spermatogenesis of rats during different periods of maturation. Wistar rats were exposed to EMF from day 13 of gestation to postnatal day 21 or 90 in three daily applications of 30 min. Plasma testosterone concentration was not changed by EMF exposure; however, histopathological and histomorphometrical analyses of the testes showed testicular degeneration in a subset of animals exposed to EMF. The magnitude of the degenerative process varied between those individuals affected, indicating different individual sensitivity to EMF. The main alterations observed through transmission electron microscopy were highly electron‐dense mitochondria with loss of their organization and cristae. Exposure to 60 Hz and 1 mT EMF can disturb spermatogenesis and may produce subfertility or infertility. Copyright Β© 2011 John Wiley & Sons, Ltd.

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