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Iranian Journal of Basic Medical Sciences، جلد ۱۸، شماره ۷، صفحات ۷۱۵-۷۲۰
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عنوان انگلیسی Effects of silymarin on neuropathic pain and formalin-induced nociception in mice
چکیده انگلیسی مقاله Objective(s):Based on the previous reports, silymarin can suppress nitric oxide, prostaglandin E2 (PGE2), leukotrienes, cytokines production, and neutrophils infiltration. Regarding the fact that inflammation plays an important role in neuropathic and formalin-induced pain, it was assumed that silymarin could reduce pain. The present study investigates the analgesic effects of silymarin in chemical nociception and a model of neuropathic pain. Materials and Methods: Chemical nociception was produced by injection of 20 µl of formalin (0.5% formaldehyde in saline) into the plantar region of the right hind paw. A sciatic-nerve ligated mouse was applied as the model of neuropathic pain and the antinociceptive response of silymarin was examined 14 days after unilateral nerve-ligation using the hot plate test. Results:The intraperitoneal administration of silymarin (25, 50, and, 100 mg/kg) 2 hr prior to the intraplantar formalin injection suppressed the nociceptive response during the late phase of the formalin test significantly, but it was not in a dose-dependent manner. Different doses of silymarin 14 days after unilateral sciatic nerve ligation in hot plate test did not induce obvious antinociception. Conclusion:Results of the present study indicated that repeated administration of silymarin prevents the formalin-induced nociceptive behavior. However, it is not effective in the treatment of sciatic neuropathic pain.
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نویسندگان مقاله فایزه وحدتی حسنی | faezeh vahdati hassani
school of pharmacy, mashhad university of medical sciences, mashhad, iran

سازمان اصلی تایید شده: دانشگاه علوم پزشکی مشهد (Mashhad university of medical sciences)

رامین رضایی | ramin rezaee
department of physiology and pharmacology, school of medicine, north khorasan university of medical sciences, bojnurd, iran


حسن سازگارا | hasan sazegara
school of pharmacy, mashhad university of medical sciences, mashhad, iran

سازمان اصلی تایید شده: دانشگاه علوم پزشکی مشهد (Mashhad university of medical sciences)

محمود هاشمزایی | mahmoud hashemzaei
department of pharmacology and toxicology, school of pharmacy, zabol university of medical sciences, zabol, iran

سازمان اصلی تایید شده: دانشگاه علوم پزشکی زابل (Zabol university of medical sciences)

کبری شیرانی | kobra shirani
school of pharmacy, mashhad university of medical sciences, mashhad, iran

سازمان اصلی تایید شده: دانشگاه علوم پزشکی مشهد (Mashhad university of medical sciences)

غلامرضا کریمی | gholamreza karimi
medical toxicology research center and pharmacy school, mashhad university of medical sciences, mashhad, iran

سازمان اصلی تایید شده: دانشگاه علوم پزشکی مشهد (Mashhad university of medical sciences)

نشانی اینترنتی http://ijbms.mums.ac.ir/article_4656.html
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زبان مقاله منتشر شده en
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نوع مقاله منتشر شده Short Communications
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