Temporal patterns of extremely low frequency magnetic field-induced motor behavior changes in Mongolian gerbils of different age

Janać, Branka; Selaković, Vesna; Rauš, Snežana; Radenović, Lidija; Zrnić, Mila; Prolić, Zlatko

doi:10.3109/09553002.2012.652725

Cited by 14 publications

(11 citation statements)

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“…Results revealed that the EMF group had lowest total distance traveled and movement velocity in the Open field test. These results are in line with previous studies (Balassa et al, 2009b;Balind et al, 2014b;Janać et al, 2012b), that assessed that 48 h of exposure to 50 Hz low-frequency EMF on the motor activity of insects. They concluded that their motor activity was reduced (Balind et al, 2014b).…”

Section: Open-field Testsupporting

confidence: 93%

“…They concluded that their motor activity was reduced (Balind et al, 2014b). Another study investigated the effect of low‐frequency EMF on changes in the motor behavior of different age rats (Janać et al, 2012b). Their findings showed that in three‐month‐old rats, exposure to EMF increased their motor activity (in contrast to our findings, whereas in the 10‐month‐old rats, it reduced motor activity.…”

Section: Discussionmentioning

confidence: 99%

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Physical activity as an option to reduce adverse effect of EMF exposure during pregnancy

Dastamooz

Boroujeni

Shahbazi

et al. 2018

Intl J of Devlp Neuroscience

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The popularity of using wireless fidelity over the last decades increased apprehensions about impact of high frequency electromagnetic fields (EMF) on health. Most of previous studies mentioned adverse effect of EMF on cognitive processes, but so far, no study has provided a way to control adverse effects of EMF exposure. The purpose of this study was to examine the effect of Wi-Fi EMF and physical activity on spatial learning and motor function in pregnant rat's offspring. Forty Albino-Wistar pregnant rats divided randomly into four groups (EMF, physical activity, combined 2.4GHZ EMF and physical activity and control groups). For assessing spatial learning in 56 post-natal days' old (PND) male offspring, Morris Water Maze (MWM) was used and to examine motor function Open-field test was taken. Although results of MWM test revealed that Wi-Fi modem EMF caused impairment in spatial learning in rats exposed to EMF but physical activity could reduce negative effect of EMF in pregnant rat's offspring who exposed during pregnancy but performed swimming. In addition, results of open-field test showed that litter's motor function in EMF group significantly declined in comparison with physical activity and combined 2.4GHZ EMF and physical activity groups. According to our findings, it can be concluded that execution physical activity individually or along with wave-exposed pregnancy can significantly progressive effect on offspring' cognitive and motor functions.

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Section: Open-field Testsupporting

confidence: 93%

Section: Discussionmentioning

confidence: 99%

Physical activity as an option to reduce adverse effect of EMF exposure during pregnancy

Dastamooz

Boroujeni

Shahbazi

et al. 2018

Intl J of Devlp Neuroscience

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“…Its influence on ionic currents and pumps [34]–[36], neurotransmission [37]–[43] and behaviour [42], [44]–[52] has been well documented. This influence could be achieved through interaction of ELF-MF with chemical bonds between adjacent atoms leading to change in reaction between biomolecules [53] and disruption of biomembrane changing structure of its protein molecules [54].…”

Section: Discussionmentioning

confidence: 99%

Extremely Low Frequency Magnetic Field (50 Hz, 0.5 mT) Reduces Oxidative Stress in the Brain of Gerbils Submitted to Global Cerebral Ischemia

et al. 2014

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Magnetic field as ecological factor has influence on all living beings. The aim of this study was to determine if extremely low frequency magnetic field (ELF-MF, 50 Hz, 0.5 mT) affects oxidative stress in the brain of gerbils submitted to 10-min global cerebral ischemia. After occlusion of both carotid arteries, 3-month-old gerbils were continuously exposed to ELF-MF for 7 days. Nitric oxide and superoxide anion production, superoxide dismutase activity and index of lipid peroxidation were examined in the forebrain cortex, striatum and hippocampus on the 7th (immediate effect of ELF-MF) and 14th day after reperfusion (delayed effect of ELF-MF). Ischemia per se increased oxidative stress in the brain on the 7th and 14th day after reperfusion. ELF-MF also increased oxidative stress, but to a greater extent than ischemia, only immediately after cessation of exposure. Ischemic gerbils exposed to ELF-MF had increased oxidative stress parameters on the 7th day after reperfusion, but to a lesser extent than ischemic or ELF-MF-exposed animals. On the 14th day after reperfusion, oxidative stress parameters in the brain of these gerbils were mostly at the control levels. Applied ELF-MF decreases oxidative stress induced by global cerebral ischemia and thereby reduces possible negative consequences which free radical species could have in the brain. The results presented here indicate a beneficial effect of ELF-MF (50 Hz, 0.5 mT) in the model of global cerebral ischemia.

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“…Our previous results have shown that ELF‐MF, among others, has influence on motor behavior (Janać et al, ; Rauš et al, ), oxidative stress parameters in the brain (Jelenković et al, ; Selaković et al, ), the affinity and density of serotonin receptors in the prefrontal cortex (Janać et al, ). Having in mind that central control of GC secretion is regulated by neurosecretory neurons in the hypothalamic PVN we wanted to explore what influence ELF‐MF could have on ACTH cells.…”

Section: Introductionmentioning

confidence: 99%

Short- and long-term exposure to alternating magnetic field (50 Hz, 0.5 mT) affects rat pituitary ACTH cells: Stereological study

Balind

Manojlović‐Stojanoski

Milošević

et al. 2014

Environ. Toxicol.

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The aim of the present study was to determine does extremely low frequency magnetic field (ELF-MF, 50 Hz, 0.5 mT) affect pituitary adrenocorticotroph (ACTH) cells in adult animals. We performed two series of experiments: (1) short-term exposure of 3-month-old rats to ELF-MF for 1 and 7 days, and (2) long-term exposure of rats to ELF-MF from their conception to 3 months of age. Stereological study was performed on immunolabeled pituitary ACTH cells. The total number and volume of ACTH cells, the volume of their nuclei and pituitary volume were measured. ELF-MF exposure for 1 day significantly decreased total number and volume of ACTH cells, the volume of their nuclei, as well as pituitary volume. ELF-MF exposure for 7 days significantly reduced only the volume of ACTH cells. Life-long exposure to ELF-MF induced decrease in the volume of ACTH cells and pituitary volume. We can conclude that the applied ELF-MF has a strong influence on morphometrical parameters of the pituitary ACTH cells and could be considered as a stressogenic factor.

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Temporal patterns of extremely low frequency magnetic field-induced motor behavior changes in Mongolian gerbils of different age

Abstract: It can be proposed that the specific temporal patterns of ELF-MF-induced motor behavior changes in 3- and 10-month-old gerbils are a consequence of age-dependent morpho-functional differences in the brain structures responsible for a control of motor behavior.

Cited by 14 publications

References 50 publications

Physical activity as an option to reduce adverse effect of EMF exposure during pregnancy

Physical activity as an option to reduce adverse effect of EMF exposure during pregnancy

Extremely Low Frequency Magnetic Field (50 Hz, 0.5 mT) Reduces Oxidative Stress in the Brain of Gerbils Submitted to Global Cerebral Ischemia

Short- and long-term exposure to alternating magnetic field (50 Hz, 0.5 mT) affects rat pituitary ACTH cells: Stereological study

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