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Iranian Journal of Pharmaceutical Research
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Sari, S., Hashemi, M., Mahdian, R., Parivar, K., Rezayat, M. (2013). The Effect of Pentoxifylline on bcl-2 Gene Expression Changes in Hippocampus after Ischemia-Reperfusion in Wistar Rats by a Quatitative RT-PCR Method. Iranian Journal of Pharmaceutical Research, 12(3), 495-501. doi: 10.22037/ijpr.2013.1343
Soyar Sari; Mehrdad Hashemi; Reza Mahdian; Kazem Parivar; Mehdi Rezayat. "The Effect of Pentoxifylline on bcl-2 Gene Expression Changes in Hippocampus after Ischemia-Reperfusion in Wistar Rats by a Quatitative RT-PCR Method". Iranian Journal of Pharmaceutical Research, 12, 3, 2013, 495-501. doi: 10.22037/ijpr.2013.1343
Sari, S., Hashemi, M., Mahdian, R., Parivar, K., Rezayat, M. (2013). 'The Effect of Pentoxifylline on bcl-2 Gene Expression Changes in Hippocampus after Ischemia-Reperfusion in Wistar Rats by a Quatitative RT-PCR Method', Iranian Journal of Pharmaceutical Research, 12(3), pp. 495-501. doi: 10.22037/ijpr.2013.1343
Sari, S., Hashemi, M., Mahdian, R., Parivar, K., Rezayat, M. The Effect of Pentoxifylline on bcl-2 Gene Expression Changes in Hippocampus after Ischemia-Reperfusion in Wistar Rats by a Quatitative RT-PCR Method. Iranian Journal of Pharmaceutical Research, 2013; 12(3): 495-501. doi: 10.22037/ijpr.2013.1343

The Effect of Pentoxifylline on bcl-2 Gene Expression Changes in Hippocampus after Ischemia-Reperfusion in Wistar Rats by a Quatitative RT-PCR Method

Article 30, Volume 12, Issue 3, Summer 2013, Page 495-501  XML PDF (654.49 K)
Document Type: Research article
DOI: 10.22037/ijpr.2013.1343
Authors
Soyar Sari email 1; Mehrdad Hashemi2; Reza Mahdian3; Kazem Parivarorcid 1; Mehdi Rezayat4
1Department of Biology, Islamic Azad University, Science and Research Branch Tehran, IR Iran.
2Department of Genetics, Islamic Azad University, Tehran Medical Branch.
3Biotechnology Research Centre, Molecular Medicine Department, Pasteur Institute of Iran, Tehran, IR Iran
4Department of Pharmacology, School of Medicine, Tehran University of Medical Sciences, Tehran, IR Iran.
Abstract
Ischemia-reperfusion injury is the tissue damage caused when blood supply returns to the tissue after a period of ischemia or lack of oxygen. Ischemia-reperfusion brain injury initiates an inflammatory response involving the expression of adhesion molecules and cytokines. Twenty–four male Wistar rats (250-300 g body wt) were used in this study. The animals were divided into four groups of 6 rats each: I: Control group that was subjected to ischemia-reperfusion, II: Ischemia-reperfusion group that was subjected to all surgical procedures, III: Drug group that received pentoxifylline (200, 400 and 600 mg/kg) 60 min before  and  after ischemia and IV: Vehicle group that received  saline. Seventy two h after ischemia-reperfusion, the hippocampus was taken for studying the changes in  bcl-2 gene expression. We used quantitative real-time PCR for the detection of bcl-2 gene expression in ischemia and drug groups and then compared them to normal samples. The results showed the gene dosage ratio of 0.66 and 1.5 for ischemia group and the drug groups, respectively. The results also showed the bcl-2 gene expression declined in ischemia group as compared to the drug group. Furthermore, we observed a significant difference in the bcl-2 gene expression between ischemia and drug groups. These findings are consistent with anti-apoptotic properties of bcl-2 gene. Furthermore this method provides a powerful tool for the investigators to study brain ischemia and respond to the treatment drugs with anti-apoptotic agents.
Keywords
Ischemia-reperfusion; Apoptosis; Bcl-2; Real-Time PCR
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