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:: Volume 6 - The Spring Supplement of Shefaye Khatam 1 - ::
Shefaye Khatam 2018, 6 - The Spring Supplement of Shefaye Khatam 1 -: 6-6 Back to browse issues page
O6: Protective Effect of Alpha-Lipoic Acid on Neuronal Degeneration Due to Sciatic Nerve Transection in Rat
Somayye Mohammadi-Abisofla * , Morteza Behnam-Rassouli , Maryam Mousavinezhad , Naser Mahdavi-Shahri
Department of Peripheral Nerve Regeneration Research Lab, Rayan Center for Neuroscience and Behavior of Biology, Faculty of Science, Ferdowsi University of Mashhad, Mashhad, Iran , somaiie-mohammadi@yahoo.com
Abstract:   (3482 Views)
Peripheral nerve injury induces inflammation and oxidative stress, which are the most significant causes of the neuronal death. Alpha Lipoic acid (ɑ-LA) as a potent antioxidant and anti-inflammatory agent may counteract the oxidative stress and inflammatory response. This study was designed to investigate the protective effect of ɑ-LA on neuronal cell death in L4 dorsal root ganglion (L4-DRG) induced by unilateral sciatic nerve transection (SNT) in rat. Thirty male Wistar rat were divided into 5 groups (n=6); control (intact), SNT+ Salin, SNT + ɑ-LA (100 mg/kg; i.p), SNT+ vitamin C (150mg/kg: i.p) and sham. Treatment was started 1 hour after injury and continued up to 7th-day post-injury. At 21st day post-injury, the L4-DRG were dissected out, fixed (formalin 10%), processed for paraffin embedding. Serial sections of L4-DRGs were prepared, stained (H&E and Toluidine blue) and then examined microscopically. The mean volume of L4-DRGs was estimated using Cavalieri principle and neurons count was done using a stereological technique (Disector method). Data were analysed with SPSS statistics 16.0 software ANOVA and intergroup comparisons performed using a Tukey-Post how analysis. In comparison with control, the number of neurons in SNT + ɑ-LA and sham groups had no significant differences. The number of neurons in the SNT+Salin and SNT+ vitamin C were significantly reduced (P<0.05). ɑ-LA (100 mg/kg.bw) provides comparable protection of sensory neurons after axotomy unlike vitamin C in rats. It seems that ɑ-LA is a profound neuroprotective and promising anti-inflammatory agent in healing peripheral nerve injury.
 
Keywords: Alpha Lipoic Acid, Peripheral Nerve Injury, Inflammation, Oxidative Stress
Full-Text [PDF 243 kb]   (760 Downloads)    
Type of Study: Research --- Open Access, CC-BY-NC | Subject: Basic research in Neuroscience

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Mohammadi-Abisofla S, Behnam-Rassouli M, Mousavinezhad M, Mahdavi-Shahri N. O6: Protective Effect of Alpha-Lipoic Acid on Neuronal Degeneration Due to Sciatic Nerve Transection in Rat. Shefaye Khatam 2018; 6 (S1) :6-6
URL: http://shefayekhatam.ir/article-1-1521-en.html
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Creative Commons License This work is licensed under a Creative Commons Attribution-NonCommercial 4.0 International License.
Volume 6 - The Spring Supplement of Shefaye Khatam 1 - Back to browse issues page
مجله علوم اعصاب شفای خاتم The Neuroscience Journal of Shefaye Khatam
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