Volume 19, Number 3 (Jul-Aug 2011 2011)                   JSSU 2011, 19(3): 339-349 | Back to browse issues page


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Tehranipour M, Javadmoosavi Z. The Neuroprotective Effect of Alcoholic Extract of Cannabis Sativa on Neuronal Density of Spinal Cord Alpha Motoneurons after Sciatic Nerve Injury in Rats. JSSU. 2011; 19 (3) :339-349
URL: http://jssu.ssu.ac.ir/article-1-1572-en.html

Abstract:   (6355 Views)
Introduction: Injuries of the peripheral nerve system affect the neurons cell body leading to axon injury. Cannabis sativa plant has anti oxidant and anti apoptotic effects. Therefore the aim of present study was to study the neuroprotective effect of alcoholic extract of cannabis sativa leaves on neuronal density of alpha motoneurons in spinal cord after sciatic nerve injury in rats. Methods: In this experimental research, animals were divided into four groups A: control, B: compression, C: compression+ treatment with 25 mg/kg alcoholic extract, D: compression + treatment with 50 mg/kg extract (n=8). At first, sciatic nerve compression in B, C and D groups was achieved for 60 seconds using locker pincers. Alcoholic extract was injected intra peritoneally in the first and second weeks after compression. Then 28 days after compression, under profusion method, the lumbar spinal cord was sampled and the numerical density in each group was compared with the compression group. The data was analyzed with the use of Minitab 14 software and ANOVA statistical test. Results: Neuronal density showed a meaningful difference in the compression and control groups(P<0.001). Neuronal density in treatment groups(25, 50 mg/kg) also had a meaningful increase(P<0.001) as compared to the compression group. Conclusion: Alcoholic extract of cannabis sativa leaves has a neuroprotective effect on spinal cord alpha motoneurons after injury. This could be due to growth and regeneration factors present in the alcoholic extract of cannabis sativa leaves that induce regeneration process in injured neurons or prevent degeneration.
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Type of Study: Original article | Subject: General
Received: 2011/08/10

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