The effect of spinally administered WIN ۵۵,۲۱۲-۲, a cannabinoid agonist, on thermal pain sensitivity in diabetic rats
- سال انتشار: 1395
- محل انتشار: مجله علوم پایه پزشکی ایران، دوره: 19، شماره: 4
- کد COI اختصاصی: JR_IJBMS-19-4_008
- زبان مقاله: انگلیسی
- تعداد مشاهده: 317
نویسندگان
Department of Pharmacology, School of Medicine, Tehran University of Medical Sciences, Tehran, Iran
Department of Physical Therapy, Faculty of Rehabilitation Sciences, Tehran University of Medical Sciences, Tehran, Iran
Department of Pharmacology, School of Medicine, Tehran University of Medical Sciences, Tehran, Iran
Department of Pathology, School of Medicine, Tehran University of Medical Sciences, Tehran, Iran
Department of Pathology, School of Medicine, Tehran University of Medical Sciences, Tehran, Iran
Department of Pharmacology, School of Medicine, Tehran University of Medical Sciences, Tehran, Iran
Department of Pharmacology, School of Medicine, Tehran University of Medical Sciences, Tehran, Iran
چکیده
Objective(s):Diabetic neuropathy (DN) is a common complication of diabetes that leads to allodynia, impaired nerve conduction, and progressive sensory loss. The aim of this study was to observe the effect of a high-affinity cannabinoid receptors agonist, WIN ۵۵,۲۱۲-۲, on thermal hyperalgesia, nerve conduction velocity and sciatic nerve histopathology in diabetic rats. Materials and Methods: Diabetes was induced in rats using a single dose of streptozotocin (۴۵ mg/kg IP). Results: Intrathecal (IT) administration of WIN۵۵, ۲۱۲-۲ (۱, ۱۰, ۱۰۰ µg/۱۰ µl, IT), produced antinociceptive effects in the hot plate test and also improved nerve conduction velocity (۱۰۰ µg/۱۰ µl, IT) and sciatic nerve histology. Conclusion: These data show that cannabinoids have potent antinociceptive effects through direct actions in the spinal dorsal horn of nociceptive pathway. This suggests that intrathecally administered cannabinoids may offer hopeful strategies for the treatment of diabetic neuropathic pain.کلیدواژه ها
Diabetes, Intrathecal, Neuropathy, Pain, WIN ۵۵, ۲۱۲-۲اطلاعات بیشتر در مورد COI
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