Abstract Title:

Extremely low-frequency magnetic fields can impair spermatogenesis recovery after reversible testicular damage induced by heat.

Abstract Source:

Electromagn Biol Med. 2014 Jun ;33(2):139-46. Epub 2013 Jun 19. PMID: 23781997

Abstract Author(s):

Bruno Mendes Tenorio, Moisés Bonifacio Alves Ferreira Filho, George Chaves Jimenez, Rosana Nogueira de Morais, Christina Alves Peixoto, Romildo de Albuquerque Nogueira, Valdemiro Amaro da Silva Junior

Article Affiliation:

Bruno Mendes Tenorio


Male infertility is often related to reproductive age couples experiencing fertility-related issues. Men may have fertility problems associated with reversible testicular damage. Considering that men have been increasingly exposed to extremely low-frequency magnetic fields generated by the production, distribution and use of electricity, this study analyzed whether 60 Hz and 1 mT magnetic field exposure may impair spermatogenesis recovery after reversible testicular damage induced by heat shock using rats as an experimental model. Adult male rats were subjected to a single testicular heat shock (HS, 43 °C for 12 min) and then exposed to the magnetic field for 15, 30 and 60 d after HS. Magnetic field exposure during the spermatogenesis recovery induced changes in testis components volume, cell ultrastructure and histomorphometrical parameters. Control animals had a reestablished and active spermatogenesis at 60 d after heat shock, while animalsexposed to magnetic field still showed extensive testicular degeneration. Magnetic field exposure did not change the plasma testosterone. In conclusion, extremely low-frequency magnetic field may be harmful to fertility recovery in males affected by reversible testicular damage.

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