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Effects of extremely low frequency electromagnetic fields on morphine analgesia and tolerance in rats

In: General Physiology and Biophysics, vol. 36, no. 4
Ercan Ozdemir - Ayse Demirkazik - Sinan Gursoy - Ahmet Taskıran - Olca Kilinc - Gokhan Arslan
Detaily:
Rok, strany: 2017, 415 - 422
O článku:
Several studies have demonstrated that the electromagnetic fields produce analgesic activity. The aim of this study was to investigate the effects of extremely low frequency (ELF) electromagnetic fields (EMF) on morphine analgesia and tolerance in rats. In the study, 78 adult male Wistar albino rats (approximately 240 ± 12 g) were used. The application of 50 Hz magnetic field, each day the same times for 30 minutes for 15 days, and a total of four times every 15 minute intervals. To constitute morphine tolerance, high dose of morphine (50 mg/kg) were administered for 3 days in rats and tolerance was evaluated on day 4. Prior to analgesia tests, the effective dose (5 mg/kg) of morphine was injected into rats. In the statistical analyzes of the data, analysis of variance (two-way ANOVA) was used and the multiple comparison determined by Tukey tests. The maximum analgesic effect of the 5 mT magnetic field was determined on 7 days. Administration of morphine (5 mg/kg) in rats exposed to a magnetic field, the analgesic effect was significantly higher compared to the morphine group (p < 0.05). Morphine tolerant animals exposed to a magnetic field, the analgesic effect was found significantly higher than morphine tolerant group rats (p < 0.05). Analgesia test data demonstrated that application of ELF-EMFs to rats increases the morphine analgesia and reduces morphine tolerance.
Ako citovať:
ISO 690:
Ozdemir, E., Demirkazik, A., Gursoy, S., Taskıran, A., Kilinc, O., Arslan, G. 2017. Effects of extremely low frequency electromagnetic fields on morphine analgesia and tolerance in rats. In General Physiology and Biophysics, vol. 36, no.4, pp. 415-422. 0231-5882.

APA:
Ozdemir, E., Demirkazik, A., Gursoy, S., Taskıran, A., Kilinc, O., Arslan, G. (2017). Effects of extremely low frequency electromagnetic fields on morphine analgesia and tolerance in rats. General Physiology and Biophysics, 36(4), 415-422. 0231-5882.