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| Content Provider | World Health Organization (WHO)-Global Index Medicus |
|---|---|
| Author | Mansouri, Mohammad Taghi Khodayar, Mohammad Javad Tabatabaee, Amirhossein Ghorbanzadeh, Behnam Naghizadeh, Bahareh |
| Description | Author Affiliation: Mansouri MT ( Department of Pharmacology, School of Medicine, Ahvaz Jundishapur Univ. of Med. Sciences, Ahvaz, Iran. Electronic address: mansouri_smt@yahoo.com.); Khodayar MJ ( Department of Toxicology and Pharmacology, School of Pharmacy, Ahvaz Jundishapur Univ. of Med. Sciences, Ahvaz, Iran.); Tabatabaee A ( Department of Toxicology and Pharmacology, School of Pharmacy, Ahvaz Jundishapur Univ. of Med. Sciences, Ahvaz, Iran.); Ghorbanzadeh B ( Department of Pharmacology, School of Medicine, Dezful Univ. of Med. Sciences, Dezful, Iran.); Naghizadeh B ( Department of Pharmacology, School of Medicine, Ahvaz Jundishapur Univ. of Med. Sciences, Ahvaz, Iran.) |
| Abstract | Statins, 3-hydroxy-3-methylglutaryl co-enzyme A (HMG-CoA) reductase inhibitors, are widely used in the management of different diseases beyond their primary indication for lowering cholesterol. Previous studies have demonstrated the neuroprotective effects of simvastatin in different animal models. In the present study, we examined the effects of simvastatin (30, 60, 100 and 300mg/kg, p.o.) on the development and expression of morphine-induced tolerance and dependence in mice. For the induction of morphine tolerance and dependence, mice were twice daily treated with morphine (10mg/kg, s.c.) for 5 consecutive days. Tolerance was evaluated by the hot-plate test and physical dependence by naloxone challenge, on the sixth day. The results showed that oral administration of simvastatin produced antinociceptive activity in a dose-dependent way. Co-administration of simvastatin with morphine did not affect the acute morphine-induced analgesia (10mg/kg, s.c.). However, repeated co-administration of simvastatin with morphine significantly attenuated the development of tolerance to the analgesic effect of morphine and inhibited the naloxone (5mg/kg, s.c.)-precipitated withdrawal signs (jumping and body weight loss). Also, simvastatin at doses of 100 and 300mg/kg attenuated the expression of morphine-induced tolerance and dependence. These data indicated that, while simvastatin can alleviate both development and expression of morphine-induced tolerance, it cannot enhance morphine-induced antinociception. Taken together, simvastatin may be used as an adjutant therapeutic agent in combination with morphine and or other opioids in patients with severe chronic pain. |
| File Format | HTM / HTML |
| ISSN | 00913057 |
| Volume Number | 137 |
| e-ISSN | 18735177 |
| Journal | Pharmacology Biochemistry and Behavior |
| Language | English |
| Publisher | Elsevier |
| Publisher Date | 2015-10-01 |
| Publisher Place | United States |
| Access Restriction | One Nation One Subscription (ONOS) |
| Subject Keyword | Discipline Behavioral Sciences Discipline Biochemistry Discipline Pharmacology Analgesics, Opioid Administration & Dosage Drug Tolerance Hydroxymethylglutaryl-coa Reductase Inhibitors Morphine Dependence Drug Therapy Morphine Simvastatin Animals Dose-response Relationship, Drug Physiology Male Mice Metabolism Journal Article Research Support, Non-u.s. Gov't |
| Content Type | Text |
| Resource Type | Article |
| Subject | Biological Psychiatry Behavioral Neuroscience Biochemistry Clinical Biochemistry Toxicology Pharmacology |
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