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مقالات فارسیISIکنفرانسهاژورنالها

Effect of Pentoxifylline on Ischemia- induced Brain Damage and Spatial Memory Impairment in Rat

محل انتشار: مجله علوم پایه پزشکی ایران، دوره: 15، شماره: 5
سال انتشار: 1391
نوع سند: مقاله ژورنالی
زبان: انگلیسی
مشاهده: 276

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لینک ثابت به این مقاله:
https://civilica.com/doc/1297782

شناسه ملی سند علمی:

JR_IJBMS-15-5_012

تاریخ نمایه سازی: 4 آبان 1400

چکیده مقاله:

Objective(s) The brief interruption of cerebral blood flow causes permanent brain damage and behavioral dysfunction. The hippocampus is highly vulnerable to ischemic insults, particularly the CA۱ pyramidal cell layer. There is no effective pharmacological strategy for improving brain tissue damage induced by cerebral ischemia. Previous studies reported that pentoxifylline (PTX) has a neuroprotective effect on brain trauma. The possible neuroprotector effects of PTX on behavioral deficit were studied in male Wistar rats subjected to a model of transient global brain ischemia. Materials and Methods Animals (n= ۳۲) were assigned to control, sham-operated, vehicle, and PTX- treated (۲۰۰ mg/kg IP) groups. PTX administered at ۱hr before and ۳ hr after ischemia. Global cerebral ischemia was induced by bilateral common carotid artery occlusion, followed by reperfusion. Results Morris Water maze testing revealed that PTX administration in cerebral ischemia significantly improved hippocampal-dependent memory and cognitive spatial abilities after reperfusion as compared to sham-operated and vehicle-treated animals. After the behavioral test, the rats were sacrificed and brain sections were stained with Nissl staining. There were no significant differences between number of pyramidal cells in both control and PTX groups. Conclusion Our study demonstrated that pentoxifylline had a protective effect on rats with transient global ischemia and could reduce cognitive impairment.

کلیدواژه ها:

Neuroprotective ، Pentoxifylline ، Spatial Memory ، Transient Ischemia

نویسندگان

Shabnam Movassaghi

Anatomy Department, Tehran Medical Branch, Islamic Azad University, Tehran, Iran

Zahra Nadia Sharifi

Anatomy Department, Tehran Medical Branch, Islamic Azad University, Tehran, Iran

Mansooreh Soleimani

Anatomy Department, Tehran University of Medical Sciences, Tehran, Iran

Mohammad Taghi Joghataei

Anatomy Department, Tehran University of Medical Sciences, Tehran, Iran

Mehrdad Hashemi

Genetic Department, Tehran Medical Branch, Islamic Azad University, Tehran, Iran

Hamed Shafaroodi

Pharmaceutical Science Branch & Pharmaceutical Science Research Centre, Islamic Azad University, Tehran, Iran

Mehdi Mehdizadeh

Cellular & Molecular Research Centre, Tehran University of Medical Sciences, Tehran, Iran

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