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Research in Pharmaceutical Sciences، جلد ۱۹، شماره ۴، صفحات ۳۶۶-۳۷۵
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عنوان انگلیسی Protective effects of pistachio hydroalcoholic extract on morphine-induced analgesic tolerance and dependence: investigating the impact of oxidative stress
چکیده انگلیسی مقاله Background and purpose: Chronic consumption of morphine (Mor) induces tolerance and dependence. This study aimed to survey the effects of pistachio extract (PX) on the induction and expression of Mor analgesic tolerance and physical dependency in mice. Experimental approach: Animals were randomly separated into six groups (n = 7): control, DMSO, Mor            (10 mg/kg), Mor + saline, Mor + PX (10 mg/kg), and Mor + PX (100 mg/kg). Mor was injected (10 mg/kg, twice a day, s.c.) for 7 days to induce tolerance. PX was administered (10 and 100 mg/kg, orally) during the examination period. On each day and 20 min after Mor administration, a tail-flick test was done to measure the analgesic response and induction of tolerance. On day 7, naloxone (5 mg/kg, s.c.) was injected into the Mor-dependent animals to evaluate dependence, and animals were monitored for 30 min for jumping. Also, malondialdehyde (MDA), superoxide dismutase (SOD), and glutathione peroxidase (GPx) were assessed in the brain tissue. Findings/Results: Our results indicated that co-administration of PX with Mor for 7 days diminished the induction of Mor tolerance. PX administration for 7 days alongside Mor reduced the frequency of withdrawal signs in naloxone-injected animals during dependence induction. Also, Mor increased the level of MDA and decreased the activities of SOD and GPx. Treatment with PX (100 mg/kg) restored all of the mentioned abnormalities. Conclusion and implications: According to the results presented in this study, chronic administration of PX forbade the induction of Mor analgesic tolerance and dependency in mice.
کلیدواژه‌های انگلیسی مقاله Mice,Morphine,Physical dependence,Pistachio extract,Tolerance.
نویسندگان مقاله | Elham Hakimizadeh
Research Center of Tropical and Infectious Diseases, Kerman University of Medical Sciences, Kerman, Iran.


| Iman Fatemi
Physiology-Pharmacology Research Center, Research Institute of Basic Medical Sciences, Rafsanjan University of Medical Sciences, Rafsanjan, Iran. Department of Physiology and Pharmacology, School of Medicine, Rafsanjan University of Medical Sciences, Rafsanjan, Iran.


| Jalal Hassanshahi
Physiology-Pharmacology Research Center, Research Institute of Basic Medical Sciences, Rafsanjan University of Medical Sciences, Rafsanjan, Iran. Department of Physiology and Pharmacology, School of Medicine, Rafsanjan University of Medical Sciences, Rafsanjan, Iran.


| Ayat Kaeidi


نشانی اینترنتی http://rps.mui.ac.ir/index.php/jrps/article/view/2258
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زبان مقاله منتشر شده en
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نوع مقاله منتشر شده Original Article
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