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The effect of 2.45 GHz non-ionizing radiation on the structure and ultrastructure of the testis in juvenile rats
V. Šimaiová, V. Almášiová, K. Holovská, T. Kisková, F. Horváthová, Z. Ševčíková, Š. Tóth, A. Raček, E. Račeková, K. Beňová, P. Dvořák, V. Cigánková,
Jazyk angličtina Země Španělsko
Typ dokumentu časopisecké články
Grantová podpora
1/0214/15
Slovak Republic VEGA
1/0060/18
Slovak Republic VEGA
PubMed
30259955
DOI
10.14670/hh-18-049
Knihovny.cz E-zdroje
- MeSH
- elektromagnetické záření * MeSH
- krysa rodu rattus MeSH
- neionizující záření škodlivé účinky MeSH
- potkani Wistar MeSH
- stárnutí MeSH
- testis účinky záření MeSH
- zvířata MeSH
- Check Tag
- krysa rodu rattus MeSH
- mužské pohlaví MeSH
- zvířata MeSH
- Publikační typ
- časopisecké články MeSH
BACKGROUND: Nowadays, mobile devices that emit non-ionizing electromagnetic radiation (EMR) are predominantly used by juveniles and pubescents. The aim of the present study was to evaluate the effect of whole body pulsed EMR on the juvenile Wistar albino rat testis at a frequency of 2.45 GHz and mean power density of 2.8 mW/cm2. METHODS: The investigated animals (n=24) were divided into two control and two EMR groups (5 and 6 week old rats; 6 rats per group). Both EMR groups were irradiated continually for 3 weeks (2h/day) from postnatal days 14 and 21, respectively. RESULTS: EMR caused an irregular shape of seminiferous tubules with desquamated immature germ cells in the lumen, a large number of empty spaces along the seminiferous epithelium and dilated and congested blood vessels in the interstitial tissue of the testis. The cytoplasm of Sertoli cells showed strong vacuolization and damaged organelles, with the cytoplasm full of different heterophagic and lipid vacuoles or the cytoplasm of spermatocytes with swollen mitochondria in both irradiated groups. A significant increase in the total tubular area of seminiferous tubules was observed in both EMR groups compared with controls (P<0.001). A significant increase in the TUNEL-positive apoptotic nuclei (P<0.01) was accompanied by a significant rise in both Cu-Zn-SOD (P<0.01) and Mn-SOD (P<0.001) positive cells in the 6 week old experimental rats compared to control animals. CONCLUSION: Our results confirmed a harmful effect of non-ionizing radiation on the structure and ultrastructure of the juvenile rat testis.
Citace poskytuje Crossref.org
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- $a Šimaiová, Veronika $u Department of Anatomy, Histology and Physiology, Institute of Histology and Embryology, University of Veterinary Medicine and Pharmacy in Košice, Slovakia. nika.simaiova@gmail.com.
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- $a BACKGROUND: Nowadays, mobile devices that emit non-ionizing electromagnetic radiation (EMR) are predominantly used by juveniles and pubescents. The aim of the present study was to evaluate the effect of whole body pulsed EMR on the juvenile Wistar albino rat testis at a frequency of 2.45 GHz and mean power density of 2.8 mW/cm2. METHODS: The investigated animals (n=24) were divided into two control and two EMR groups (5 and 6 week old rats; 6 rats per group). Both EMR groups were irradiated continually for 3 weeks (2h/day) from postnatal days 14 and 21, respectively. RESULTS: EMR caused an irregular shape of seminiferous tubules with desquamated immature germ cells in the lumen, a large number of empty spaces along the seminiferous epithelium and dilated and congested blood vessels in the interstitial tissue of the testis. The cytoplasm of Sertoli cells showed strong vacuolization and damaged organelles, with the cytoplasm full of different heterophagic and lipid vacuoles or the cytoplasm of spermatocytes with swollen mitochondria in both irradiated groups. A significant increase in the total tubular area of seminiferous tubules was observed in both EMR groups compared with controls (P<0.001). A significant increase in the TUNEL-positive apoptotic nuclei (P<0.01) was accompanied by a significant rise in both Cu-Zn-SOD (P<0.01) and Mn-SOD (P<0.001) positive cells in the 6 week old experimental rats compared to control animals. CONCLUSION: Our results confirmed a harmful effect of non-ionizing radiation on the structure and ultrastructure of the juvenile rat testis.
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