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:: Volume 15, Issue 4 (12-2013) ::
J Gorgan Univ Med Sci 2013, 15(4): 29-34 Back to browse issues page
Effect of alcoholic extract of Nigella sativa seed on alpha motor neurons density of spinal cord following sciatic nerve compression in rats
Jalali M1 , Tehranipour M *2 , Mahdavi Shahri N3
1- MSc in Animal Biology, Department of Biology, Islamic Azad University, Mashhad Branch, Mashhad, Iran
2- Associate Professor, Department of Biology, Islamic Azad University, Mashhad Branch, Mashhad, Iran , maryam_tehranipour@mshdiau.ac.ir
3- Professor, Department of Biology, Islamic Azad University, Mashhad Branch, Mashhad, Iran
Abstract:   (23632 Views)
Background and Objective: Compression or sciatic axotomy induces neuronal death in spinal cord alpha motor neuron. This study was carried out to determine the effect of Nigella sativa seed alcoholic extract on spinal motor neuron density in anterior horn after sciatic nerve compression in rat. Materials and Methods: In this experimental study 24 wistar rats were divided into four groups A: control, B: compression, C: compression+treatment with 75 mg/kg alcoholic extract, D: compression+treatment with 50 mg/kg alcoholic extract. In control group muscle was exposed without any injury to sciatic nerve. In compression and treatment group, the right leg sciatic nerve compressed for 60 sec. After four weeks of post operation, L2-L4 and S1, S2 and S3 segments of spinal cord were sampled, processed, serially sectioned and stained with toluidine blue. The number of alpha motor neurons was counted using dissector method. Results: Neuronal density in compression group (650±32) significantly decreased in comparison with control group (1803±24). Neuronal density in C treated group (1581±47) and D treated group (1543±49) significantly increased compare to compression group (P<0.001). Conclusion: Alcoholic extract of Nigella sativa seed increased the density of alpha motor neurons in spinal cord after sciatic nerve compression in rats.
Keywords: Nigella sativa, Sciatic nerve, Density, Neurons, Rat
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Type of Study: Original Articles | Subject: Neurosciences
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Jalali M, Tehranipour M, Mahdavi Shahri N. Effect of alcoholic extract of Nigella sativa seed on alpha motor neurons density of spinal cord following sciatic nerve compression in rats. J Gorgan Univ Med Sci 2013; 15 (4) :29-34
URL: http://goums.ac.ir/journal/article-1-1866-en.html
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Volume 15, Issue 4 (12-2013) Back to browse issues page
مجله دانشگاه علوم پزشکی گرگان Journal of Gorgan University of Medical Sciences
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This work is licensed under a Creative Commons — Attribution-NonCommercial 4.0 International (CC BY-NC 4.0)