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:: Volume 27, Issue 4 (winter 2017) ::
MEDICAL SCIENCES 2017, 27(4): 244-251 Back to browse issues page
Investigating the gene expression level of Bad and Bcl-xl following cholestasis and curcumin treatment in the striatum area of male rat
Iman Hashemi 1, Maliheh Entezari * 2, Mohammad Reza Zarindast 3
1- in Cell and Molecular Biology. Tehran medical Sciences Branch, Islamic Azad University, Tehran, Iran
2- Department of Biology, Tehran Medical Sciences Branch, Islamic Azad University, Tehran, Iran , entezarimali@yahoo.com
3- Department of Biology, Tehran Medical Sciences Branch, Islamic Azad University, Tehran, Iran
Abstract:   (1231 Views)
Background: Cholestasis occurs when the secretion of bile flow into the small intestine is impaired. Without appropriate treatment, cholestasis could induce harmful injuries to different organs. Moreover, this disorder could alter the expression level of apoptotic-related genes. Herein, the effect of cholestasis on the expression level of both anti- and pro-apoptotic genes, Bcl-xl and Bad, in the striatum area of rats were investigated. In addition, we aimed to examine whether curcumin could change the mRNA expression level of aforementioned genes in striatum area of rats.
Materials and methods: In this experimental study, sixteen male Wistar rats were divided into 4 groups, consisting control, sham-curcumin, BDL and BDL-curcumin groups. Rats in BDL group experienced bile duct obstruction surgery; however, in BDL-curcumin group, rats underwent surgery plus curcumin treatment. Sham-curcumin group were only treated with drug. The control group did not have either surgery or drug treatment. The striatum area of the brain was isolated and after RNA extraction and cDNA synthesis, the expression level of genes were investigated.
Results: The ratio of pro-apoptotic to anti-apoptotic genes (Bad/Bcl-xl) in the BDL group significantly changed, compared to other groups (p<0.05). But, in both BDL-curcumin and sham-curcumin groups, the expression level of neither pro- nor anti-apoptotic genes altered in the striatum area of the brain.
Conclusion: Curcumin decreased the relative expression level of death promoter to death repressor genes and reduced the BDL-induced apoptosis. Hence, curcumin can be used to reduce the harmful effect of cholestasis.
 
Keywords: Cholestasis, Apoptosis, Gene expression level, Rats, Striatum
Full-Text [PDF 579 kb]   (184 Downloads)    
Type of Study: Experimental | Subject: Molecular Biology
Received: 2017/03/12 | Accepted: 2017/07/28 | Published: 2017/12/23
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Hashemi I, Entezari M, Zarindast M R. Investigating the gene expression level of Bad and Bcl-xl following cholestasis and curcumin treatment in the striatum area of male rat. MEDICAL SCIENCES. 2017; 27 (4) :244-251
URL: http://iau-tmuj.ir/article-1-1326-en.html


Volume 27, Issue 4 (winter 2017) Back to browse issues page
فصلنامه علوم پزشکی دانشگاه آزاد اسلامی واحد پزشکی تهران Medical Science Journal of Islamic Azad Univesity - Tehran Medical Branch
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