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:: Volume 25, Issue 1 (Spring 2015) ::
MEDICAL SCIENCES 2015, 25(1): 33-38 Back to browse issues page
Effects of verapamil on CA1 pyramidal cells of hippocampus following ischemia reperfusion in rats
Masoumeh Faghani1 , Zahra Jafari2 , Hassan Molladost3 , Zahra Nadia sharifi 4
1- Anatomical Sciences Department, Faculty of Medicine, Guilan University of Medical Sciences, Rasht, Iran
2- MSc Student, Anatomical Sciences Department, Faculty of Medicine, Guilan University of Medical Sciences, Rasht, Iran
3- Faculty of Medicine, Guilan University of Medical Sciences, Rasht, Iran
4- Anatomical Sciences Department, Faculty of Medicine, Islamic Azad University of Medical Sciences, Tehran, Iran , nadiasharifi@yahoo.com
Abstract:   (7070 Views)
Background: Brain ischemia is one of the most important problems in the world and causes severe brain damages, especially in CA1 region of hippocampus. Calcium channel blockers, such as verapamil, have neuroprotective effects. This study was done to investigate neuroprotective effects of verapamil on the CA1 region of hippocampus in the male rat.
Materials and methods: This experimental study was conducted on 24 male adult Wistar male rats (250-300 g) that were divided into four groups: control, ischemia, vehicle and treatment. For induction of ischemia, both common carotid arteries were blocked for 20 minute followed by reperfusion. Verapamil (10 mg/kg) was administrated 1 hour before and after ischemia intraperitoneally in treatment group. The brains were dissected and processed for Nissl staining. The results were analyzed by analysis of variance (ANOVA) and Tukey’s tests.
 Results: Data showed no significant difference between the number of viable pyramidal cells in CA1 region of hippocampus in control and 10 mg/kg verapamil treated groups, but number of pyramidal cells reduced in ischemia and vehicle groups and there was significant difference between these groups with control (P<0.05). This study showed that the injection 10mg/kg of verapamil can reduce damaged cells in CA1 region of hippocampus in rats that were subjected to transient global cerebral ischemia.
Conclusion: It seems that administration of verapamil (10mg/kg) decreases severity of neuronal damage in CA1 cells of hippocampus in rat following transient ischemia reperfusion.
Keywords: Ischemia reperfusion, Verapamil, CA1 cells, Hippocampus, Nissl
Full-Text [PDF 368 kb]   (2770 Downloads)    
Semi-pilot: Experimental | Subject: Anatomy
Received: 2015/03/9 | Accepted: 2015/03/9 | Published: 2015/03/9
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Faghani M, Jafari Z, Molladost H, Nadia sharifi Z. Effects of verapamil on CA1 pyramidal cells of hippocampus following ischemia reperfusion in rats. MEDICAL SCIENCES 2015; 25 (1) :33-38
URL: http://tmuj.iautmu.ac.ir/article-1-903-en.html


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Volume 25, Issue 1 (Spring 2015) 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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