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Paper Information

Title: 

STUDY ON THE ANALGESIC EFFECTS OF EXTREMELY LOW FREQUENCY ELECTROMAGNETIC FIELDS IN MICE

Type: POSTER
Author(s): RAHIMNEZHAD M.R.*,BABAPOUR V.,ZARINDAST M.R.,KHANLARI M.R.
 
 *DEPT. OF PHYSIOLOGY, ISLAMIC AZAD UNIVERSITY OF KARAJ
 
Name of Seminar: IRANIAN CONGRESS OF PHYSIOLOGY AND PHARMACOLOGY
Type of Seminar:  CONGRESS
Sponsor:  PHYSIOLOGY AND PHARMACOLOGY SOCIETY, MASHHAD UNIVERSITY OF MEDICAL SCIENCE
Date:  2007Volume 18
 
 
Abstract: 

Background: Biological consequences of extremely low frequency electromagnetic fields (ELF-EMFs) have been of great importance in modern societies.
Objective: Current study investigated the potential analgesic effect of ELF-EMF exposure and possible interaction between ELF-EMFs and opioid, alpha and beta adrenergic systems.
Methods: effects of 60 Hz magnetic field (100mT) was investigated on the pain thresholds in 80 male albino mice. Pain thresholds was assessed by the tail immersion technique (52oc water)Findings: pain thresholds were significantly increased following ELF-EMF exposure among the control group (p<0.0001) this effect was significantly blocked with pretreatment of animals with naloxane (2 mg/kg) (p<0.0001) and phentolamine (10 mg/kg) (p<0.0001) but not affect with propranolol (10 mg/kg)Conclusion: these results suggest that ELF-EMFs can induce analgesic behavior in mice and this effect relate with opioid and alpha- adrenergic systems.

 
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