Yıl: 2018 Cilt: 52 Sayı: 2 Sayfa Aralığı: 129 - 134 Metin Dili: İngilizce DOI: 10.14744/SEMB.2018.42275 İndeks Tarihi: 20-10-2018

Effect of 900-MHz Electromagnetic Field on the Cerebellum: A Histopathological Investigation

Öz:
Objectives: The currently widely used technological devices give rise to electromagnetic fields (EMFs) at various frequencies. Recent studies have reported that EMFs damage the central nervous system. The cerebellum is of considerable importance to human life due to its involvement in motor control, language, and cognitive-sensory functions. Damage occurring in the histological layers of the cerebellar cortex causes various neurological and psychiatric diseases, such as paralysis, tumor, autism, and schizophrenia. Our study involved a histopathological evaluation of the effects of communication systems’ standard 900-MHz EMF on the cerebellum. Methods: Sprague–Dawley rats were assigned into two groups containing six animals each: control and EMF. The EMF group was exposed to a 24-h 900-MHz radiofrequency EMF over 20 days with a digital modulation signal generator installed in the middle of their cage. Ten days after EMF application, the rats were sacrificed by cervical dislocation under anesthesia induced with 50 mg/kg ketamine hydrochloride and 10 mg/kg intraperitoneal xylazine HC1. Results: Intense caspase-3 expression was seen in the Purkinje cells and granular cells exposed to a 900-MHz frequency EMF (p<0.05). Pyknotic nuclei were notable in the Purkinje and granular cells exposed to a 900-MHz EMF. We also observed a decrease in the cytoplasm of the Purkinje and granular cells. Specimens from the EMF group exhibited decreases in the thickness of the molecular cell layer, Purkinje cell layer, and granular cell layer compared with those from the control group. However, the difference was not statistically significant (p>0.05). Conclusion: A 900-MHz EMF causes deleterious effects on the cerebellum by giving rise to apoptosis accompanied by caspase-3 expression in the Purkinje and granular cells in particular.
Anahtar Kelime:

Belge Türü: Makale Makale Türü: Araştırma Makalesi Erişim Türü: Erişime Açık
  • Topal Z, Hanci H, Mercantepe T, Erol HS, Keleş ON, Kaya H, et al. The effects of prenatal long-duration exposure to 900-MHz electromagnetic field on the 21-day-old newborn male rat liver. Turkish J Med Sci 2015;45:291–7.
  • Sonmez OF, Odaci E, Bas O, Kaplan S. Purkinje cell number decreases in the adult female rat cerebellum following exposure to 900 MHz electromagnetic field. Brain Res 2010;1356:95–101.
  • Coşkun G, Özgür H. Molecular Mechanism of Apoptosis and Necrosis [Article in Turkish]. Arşiv Kaynak Tarama Derg 2014;20:145–58.
  • Bedir R, Tumkaya L, Şehitoğlu İ, Kalkan Y, Yilmaz A, Şahin OZ, et al. The effect of exposure of rats during prenatal period to radiation spreading from mobile phones on renal development. Ren Fail 2015;37:305–9.
  • Grisoli M, Piperno A, Chiapparini L, Mariani R, Savoiardo M. MR imaging of cerebral cortical involvement in aceruloplasminemia. AJNR Am J Neuroradiol 2005;26:657–61.
  • Patel BN, Dunn RJ, Jeong SY, Zhu Q, Julien JP, David S. Ceruloplasmin regulates iron levels in the CNS and prevents free radical injury. J Neurosci 2002;22:6578–86.
  • Schmahmann JD. Disorders of the cerebellum: ataxia, dysmetria of thought, and the cerebellar cognitive affective syndrome. J Neuropsychiatry Clin Neurosci 2004;16:367–78.
  • Steinlin M. Cerebellar disorders in childhood: Cognitive problems. Cerebellum 2008;7:607–10.
  • Schmahmann JD, Weilburg JB, Sherman JC. The neuropsychiatry of the cerebellum - insights from the clinic. Cerebellum 2007;6:254–67.
  • Marques JP, Gruetter R, van der Zwaag W. In vivo structural imaging of the cerebellum, the contribution of ultra-high fields. Cerebellum 2012;11:384–91.
  • Frei MR, Berger RE, Dusch SJ, Guel V, Jauchem JR, Merritt JH, et al. Chronic exposure of cancer-prone mice to low-level 2450 MHz radiofrequency radiation. Bioelectromagnetics 1998;19:20–31.
  • Akdag MZ, Dasdag S, Ulukaya E, Uzunlar AK, Kurt MA, Taşkin A. Effects of extremely low-frequency magnetic field on caspase activities and oxidative stress values in rat brain. Biol Trace Elem Res 2010;138:238–49.
  • Pace V, Bellizzi D, Giordano F, Panno ML, De Benedictis G. Experimental testing of a mathematical model relevant to the extrinsic pathway of apoptosis. Cell Stress Chaperones 2010;15:13–23.
  • Snigdha S, Smith ED, Prieto GA, Cotman CW. Caspase-3 activation as a bifurcation point between plasticity and cell death. Neurosci Bull 2012;28:14–24.
  • Folch J, Alvira D, López-querol M, Tajes M, Sureda FX, Forsby A, et al. Evaluation of transcriptional activity of caspase-3 gene as a marker of acute neurotoxicity in rat cerebellar granular cells. Toxicol Vitro 2010;24:465–71.
  • Dinçel GÇ, Kul O. Pathologic apoptosis and diagnostic methods [Article in Turkish]. Gümüşhane Üniversitesi Sağlık Bilimleri Dergisi 2016;5:86–108.
  • Mackenzie SH, Clark AC. Death by Caspase Dimerization. In: Matthews JM, editors. Protein Dimerization and Oligomerization in Biology. New York: Springer; 2012. p. 55–73.
  • Rağbetli MC, Aydinlioğlu A, Koyun N, Rağbetli C, Bektas S, Ozdemir S. The effect of mobile phone on the number of Purkinje cells: a stereological study. Int J Radiat Biol 2010;86:548–54.
  • Odacı E, Hancı H, İkinci A, Sönmez OF, Aslan A, Şahin A, et al. Maternal exposure to a continuous 900-MHz electromagnetic field provokes neuronal loss and pathological changes in cerebellum of 32-day-old female rat offspring. J Chem Neuroanat 2016;75:105–10.
  • Oda T, Koike T. Magnetic field exposure saves rat cerebellar granule neurons from apoptosis in vitro. Neurosci Lett 2004;365:83–6.
  • Kerimoğlu G, Mercantepe T, Erol HS, Turgut A, Kaya H, Çolakoğlu S, et al. Effects of long-term exposure to 900 megahertz electromagnetic field on heart morphology and biochemistry of male adolescent rats. Biotech Histochem 2016;91:445–54.
  • İkinci A, Mercantepe T, Unal D, Erol HS, Şahin A, Aslan A, et al. Morphological and antioxidant impairments in the spinal cord of male offspring rats following exposure to a continuous 900MHz electromagnetic field during early and mid-adolescence. J Chem Neuroanat 2016;75:99–104.
  • Iwata NK, Hanajima R, Furubayashi T, Terao Y, Uesugi H, Shiio Y, et al. Facilitatory effect on the motor cortex by electrical stimulation over the cerebellum in humans. Exp Brain Res 2004;159:418–24.
  • Köktürk S, Yardimoglu M, Celikozlu SD, Dolanbay EG, Cimbiz A. Effect of Lycopersicon esculentum extract on apoptosis in the rat cerebellum, following prenatal and postnatal exposure to an electromagnetic field. Exp Ther Med 2013;6:52–6.
APA mercantepe t, TÜMKAYA L, GÖKÇEK M, TOPAL SUZAN Z, ESMER E (2018). Effect of 900-MHz Electromagnetic Field on the Cerebellum: A Histopathological Investigation. , 129 - 134. 10.14744/SEMB.2018.42275
Chicago mercantepe tolga,TÜMKAYA LEVENT,GÖKÇEK Mehmet Fatih,TOPAL SUZAN ZEHRA,ESMER Erva Effect of 900-MHz Electromagnetic Field on the Cerebellum: A Histopathological Investigation. (2018): 129 - 134. 10.14744/SEMB.2018.42275
MLA mercantepe tolga,TÜMKAYA LEVENT,GÖKÇEK Mehmet Fatih,TOPAL SUZAN ZEHRA,ESMER Erva Effect of 900-MHz Electromagnetic Field on the Cerebellum: A Histopathological Investigation. , 2018, ss.129 - 134. 10.14744/SEMB.2018.42275
AMA mercantepe t,TÜMKAYA L,GÖKÇEK M,TOPAL SUZAN Z,ESMER E Effect of 900-MHz Electromagnetic Field on the Cerebellum: A Histopathological Investigation. . 2018; 129 - 134. 10.14744/SEMB.2018.42275
Vancouver mercantepe t,TÜMKAYA L,GÖKÇEK M,TOPAL SUZAN Z,ESMER E Effect of 900-MHz Electromagnetic Field on the Cerebellum: A Histopathological Investigation. . 2018; 129 - 134. 10.14744/SEMB.2018.42275
IEEE mercantepe t,TÜMKAYA L,GÖKÇEK M,TOPAL SUZAN Z,ESMER E "Effect of 900-MHz Electromagnetic Field on the Cerebellum: A Histopathological Investigation." , ss.129 - 134, 2018. 10.14744/SEMB.2018.42275
ISNAD mercantepe, tolga vd. "Effect of 900-MHz Electromagnetic Field on the Cerebellum: A Histopathological Investigation". (2018), 129-134. https://doi.org/10.14744/SEMB.2018.42275
APA mercantepe t, TÜMKAYA L, GÖKÇEK M, TOPAL SUZAN Z, ESMER E (2018). Effect of 900-MHz Electromagnetic Field on the Cerebellum: A Histopathological Investigation. Şişli Etfal Hastanesi Tıp Bülteni, 52(2), 129 - 134. 10.14744/SEMB.2018.42275
Chicago mercantepe tolga,TÜMKAYA LEVENT,GÖKÇEK Mehmet Fatih,TOPAL SUZAN ZEHRA,ESMER Erva Effect of 900-MHz Electromagnetic Field on the Cerebellum: A Histopathological Investigation. Şişli Etfal Hastanesi Tıp Bülteni 52, no.2 (2018): 129 - 134. 10.14744/SEMB.2018.42275
MLA mercantepe tolga,TÜMKAYA LEVENT,GÖKÇEK Mehmet Fatih,TOPAL SUZAN ZEHRA,ESMER Erva Effect of 900-MHz Electromagnetic Field on the Cerebellum: A Histopathological Investigation. Şişli Etfal Hastanesi Tıp Bülteni, vol.52, no.2, 2018, ss.129 - 134. 10.14744/SEMB.2018.42275
AMA mercantepe t,TÜMKAYA L,GÖKÇEK M,TOPAL SUZAN Z,ESMER E Effect of 900-MHz Electromagnetic Field on the Cerebellum: A Histopathological Investigation. Şişli Etfal Hastanesi Tıp Bülteni. 2018; 52(2): 129 - 134. 10.14744/SEMB.2018.42275
Vancouver mercantepe t,TÜMKAYA L,GÖKÇEK M,TOPAL SUZAN Z,ESMER E Effect of 900-MHz Electromagnetic Field on the Cerebellum: A Histopathological Investigation. Şişli Etfal Hastanesi Tıp Bülteni. 2018; 52(2): 129 - 134. 10.14744/SEMB.2018.42275
IEEE mercantepe t,TÜMKAYA L,GÖKÇEK M,TOPAL SUZAN Z,ESMER E "Effect of 900-MHz Electromagnetic Field on the Cerebellum: A Histopathological Investigation." Şişli Etfal Hastanesi Tıp Bülteni, 52, ss.129 - 134, 2018. 10.14744/SEMB.2018.42275
ISNAD mercantepe, tolga vd. "Effect of 900-MHz Electromagnetic Field on the Cerebellum: A Histopathological Investigation". Şişli Etfal Hastanesi Tıp Bülteni 52/2 (2018), 129-134. https://doi.org/10.14744/SEMB.2018.42275