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:: Volume 16, Issue 1 (spring 2016) ::
J Ardabil Univ Med Sci 2016, 16(1): 32-40 Back to browse issues page
Involvement of Bax and Bcl2 in Neuroprotective Effect of Curcumin in Kainic Acid-Induced Model of Temporal Lobe Epilepsy in Male Rat
Zahra Kiasalari , Mehrdad Roghani * , Tourandokht Baluchnejadmojarad , Athar Abdolrazaghnezhad
Neurophysiology Research Center, Shahed University, Tehran, Iran , mehjour@yahoo.com
Abstract:   (10129 Views)

Background & objectives: Temporal lobe epilepsy is associated with neuronal apoptosis. Curcumin has antioxidant and anticonvulsant activities, therefore this study was conducted to assess involvement of Bax and Bcl2 in protective effect of curcumin in epileptic rats.

Methods: 28 rats were divided into sham, curcumin-pretreated sham, epileptic (kainate), and curcumin-pretreated epileptic groups. Experimental model of epilepsy was induced by intrahippocampal administration of kainic acid. Rats received curcumin at a dose of 100 mg/kg. Finally, Nissl staining and Bax and Bcl2 immunohistochemistry were conducted on hippocampal sections and data were analyzed using one-way ANOVA and unpaired t-test. The p-value less than 0.05was considered statistically significant.

Results: Induction of epilepsy was followed by a significant seizure and curcumin pretreatment significantly reduced seizure intensity (p<0.01). In addition, there were no significant differences between the groups in Nissl staining of CA3 area neurons. In addition, Bax positive neurons were observed in CA3 area in kainate group and significantly decreased in curcumin pretreated rats (p<0.05). Meanwhile, Bcl2 positive neurons were also moderately observed in kainate group and curcumin pretreatment significantly increased it (p<0.05).

Conclusion: Curcumin pretreatment exhibits anticonvulsant activity in epileptic rats. It also decreases the expression of pro-apoptotic protein Bax and significantly enhances the expression of anti-apoptotic protein Bcl2 and hence could reduce neuronal apoptosis.

Keywords: Curcumin, Temporal Lobe Epilepsy, Seizure, Kainic Acid, Hippocampus, Apoptosis, Bcl2, Bax
Full-Text [PDF 200 kb]   (3852 Downloads)    
Type of Study: article | Subject: General
Received: 2014/10/16 | Accepted: 2015/04/15 | Published: 2016/04/14
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Kiasalari Z, Roghani M, Baluchnejadmojarad T, Abdolrazaghnezhad A. Involvement of Bax and Bcl2 in Neuroprotective Effect of Curcumin in Kainic Acid-Induced Model of Temporal Lobe Epilepsy in Male Rat. J Ardabil Univ Med Sci 2016; 16 (1) :32-40
URL: http://jarums.arums.ac.ir/article-1-1041-en.html


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Creative Commons License This work is licensed under a Creative Commons Attribution-NonCommercial 4.0 International License.
Volume 16, Issue 1 (spring 2016) Back to browse issues page
مجله دانشگاه علوم پزشکی اردبیل Journal of Ardabil University of Medical Sciences
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