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Shefaye Khatam 2017, 5 - The Spring Supplement of Shefaye Khatam 2 -: 64-64 Back to browse issues page
P 33: Effect of Alcoholic Extract of Rosmarinus officinalis L. and Rosmarinic Acid on Inflammation Induced by Chronic Constriction Injury (CCI) Model of Neuropathic Pain in Rats
Mahboobeh Ghasemzadeh Rahbardar, Bahareh Amin, Hossein Hosseinzadeh *
Pharmaceutical Research Center, Department of Pharmacodynamics and Toxicology, School of Pharmacy, Mashhad University of Medical Sciences, Mashhad, Iran , hosseinzadehh@mums.ac.ir
Abstract:   (1685 Views)

Introduction: Rosemary, Rosmarinus (R.) officinalis L. is a well-known plant with several useful properties such as analgesic, anti-inflammatory and anti-neurodegenerative. It has been used in folk medicine to alleviate rheumatic pain, stomachache and dysmenorrhea. Rosemary has several constituents such as rosmarinic acid which can be responsible for therapeutic properties been noted with rosemary. The aim of this study was to investigate the potential anti-inflammatory effects of R. officinalis and rosmarinic acid in a rat model of sciatic nerve chronic constriction injury (CCI)-induced neuropathic pain to verify usage of rosemary in folk medicine. Materials and Methods: Rats underwent CCI, were treated  with either normal saline, ethanolic extract of aerial parts of R. officinalis (400 mg/kg, i.p.) or rosmarinic acid (40 mg/kg, i.p.) from the day of surgery (day 0) for 14 days. The anti-inflammatory effects of R. officinalis extract and rosmarinic acid were evaluated by assessing the levels of some spinal inflammatory markers including cyclooxygenase-2 (COX2), prostaglandin E2 (PGE-2), interleukin 1 beta (IL-1β), matrix metallopeptidase 2 (MMP2) through western blotting and nitric oxide (NO) production via Griess reaction on days 7 and 14 post-surgery. Results: CCI rats exhibited a marked expression in the levels of inflammatory markers (COX2, PGE-2, IL-1β, MMP2 and NO) on both days 7 (p < 0.001) and 14 (p < 0.001). Rosmarinic acid and ethanolic extract of R. officinalis were able to decrease amounts of mentioned inflammatory markers on both days 7 (p < 0.001) and 14 (p<0.001). Conclusion: Our data support the traditional use of R. officinalis as an effective remedy for pain relief and inflammatory disorders. It also suggests that the ethanolic extract of R. officinalis and rosmarinic acid through modulating neuro-inflammation might be potential candidates in treating neuropathic pain and different neurological disorders associated with inflammation.

Keywords: Rosmarinus officinalis, Rosmarinic acid, Neuropathic pain, Chronic constriction injury, Inflammatory markers
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Type of Study: Research --- Open Access, CC-BY-NC | Subject: Basic research in Neuroscience


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Ghasemzadeh Rahbardar M, Amin B, Hosseinzadeh H. P 33: Effect of Alcoholic Extract of Rosmarinus officinalis L. and Rosmarinic Acid on Inflammation Induced by Chronic Constriction Injury (CCI) Model of Neuropathic Pain in Rats. Shefaye Khatam. 2017; 5 (S2) :64-64
URL: http://shefayekhatam.ir/article-1-1218-en.html


Volume 5 - The Spring Supplement of Shefaye Khatam 2 - Back to browse issues page
مجله علوم اعصاب شفای خاتم The Neuroscience Journal of Shefaye Khatam
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