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Information Journal Paper

Title

EFFECTS OF MELATONIN AND VITAMIN E ON PERIPHERAL NEUROPATHIC PAIN IN STREPTOZOTOCIN-INDUCED DIABETIC RATS

Pages

  1-8

Abstract

 Objective(s): Previous studies have indicated that DIABETES mellitus might be accompanied by neuropathic PAIN. OXIDATIVE STRESS is implicated as a final common pathway in development of diabetic neuropathy. Pharmacological interventions targeted at inhibiting free radical production have shown beneficial effects in diabetic neuropathy. The aim of this study was to investigate and compare the possible analgesic effects of MELATONIN and VITAMIN E in diabetic rats.Materials and MethodsThis study was performed on 32 male Wistar rats divided into 4 groups: control, diabetic, MELATONIN-treated diabetic and VITAMIN E-treated diabetic. Experimental DIABETES was induced by intraperitoneal streptozotocin (50 mg/kg) injection. MELATONIN (10 mg/kg, i.p.) and VITAMIN E (100 mg/kg, i.p.) were injected for 2 weeks after 21st day of DIABETES induction. At the end of administration period, PAIN-related behavior was assessed using 0.5% formalin test according to two spontaneous flinching and licking responses. The levels of lipid peroxidation as well as glutathione-peroxidase and catalase activities were evaluated in lumbosacral dorsal root ganglia.Results: Formalin-evoked flinching and total time of licking were increased in both acute and chronic phases of PAIN in diabetic rats as compared to control rats, whereas treatment with MELATONIN or VITAMIN E significantly reduced the PAIN indices. Furthermore, lipid peroxidation levels increased and glutathione-peroxidase and catalase activities decreased in diabetic rats. Both antioxidants reversed the biochemical parameters toward their control values.Conclusion: These results suggest that OXIDATIVE STRESS may contribute to induction of PAIN in DIABETES and further suggest that antioxidants, MELATONIN and VITAMIN E, can reduce peripheral neuropathic PAIN in streptozotocin-induced diabetic rats.

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    APA: Copy

    BABAEI BALDERLOU, F., ZARE, SAMAD, HEYDARI, REZA, & FAROKHI, F.. (2010). EFFECTS OF MELATONIN AND VITAMIN E ON PERIPHERAL NEUROPATHIC PAIN IN STREPTOZOTOCIN-INDUCED DIABETIC RATS. IRANIAN JOURNAL OF BASIC MEDICAL SCIENCES, 13(2 (45)), 1-8. SID. https://sid.ir/paper/573364/en

    Vancouver: Copy

    BABAEI BALDERLOU F., ZARE SAMAD, HEYDARI REZA, FAROKHI F.. EFFECTS OF MELATONIN AND VITAMIN E ON PERIPHERAL NEUROPATHIC PAIN IN STREPTOZOTOCIN-INDUCED DIABETIC RATS. IRANIAN JOURNAL OF BASIC MEDICAL SCIENCES[Internet]. 2010;13(2 (45)):1-8. Available from: https://sid.ir/paper/573364/en

    IEEE: Copy

    F. BABAEI BALDERLOU, SAMAD ZARE, REZA HEYDARI, and F. FAROKHI, “EFFECTS OF MELATONIN AND VITAMIN E ON PERIPHERAL NEUROPATHIC PAIN IN STREPTOZOTOCIN-INDUCED DIABETIC RATS,” IRANIAN JOURNAL OF BASIC MEDICAL SCIENCES, vol. 13, no. 2 (45), pp. 1–8, 2010, [Online]. Available: https://sid.ir/paper/573364/en

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