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   Vitamin C Can Alter Lead-Induced Passive Avoidance Learning Impairment in Rats  
   
نویسنده Salehi Iraj ,Sahab Soleimani Maryam ,Pourjafar Mona ,Ghasemi Moravej Fahimeh ,Soleimani Asl Sara
منبع anatomical sciences journal - 2015 - دوره : 12 - شماره : 3 - صفحه:137 -140
چکیده    Introduction: lead (pb) is a neurotoxin that its different effects on the central nervous system are well-known. previous studies have reported the potent effects of vitamin c on memory. the present study was undertaken to evaluate the protective effects of vitamin c against leadinduced amnesia. methods: male wistar rats were divided into 4 groups: the control (saline), negative control (lead), positive control (vitamin c, 150 mg/kg), and experimental (lead+vitamin c). to induce lead toxicity, the rats received water containing 0.2% pb instead of regular water for 1 month. passive avoidance learning was assessed by shuttle box 2 months later. retention was tested 24 hours after training. results: the results showed that lead causes impairment in acquisition and retrieval processes of passive avoidance learning and memory. however, vitamin c administration reinforced passive avoidance learning and memory. all results were significant (p<0.001). conclusion: vitamin c administration in rats counteracts the negative effect of lead on spatial learning and memory.
کلیدواژه Lead ,Vitamin C ,Passive avoidance learning ,Rats.
آدرس hamadan university of medical sciences, Neurophysiology Research Center, ایران, Islamic Azad University, Hamedan Branch, School of Science, Department of Physiology, ایران, hamadan university of medical sciences, School of Science, Department of Molecular Medicine, ایران, hamadan university of medical sciences, School of Medicine, Department of Anatomy, ایران, hamadan university of medical sciences, School of Medicine, Neurophysiology Research Center, Department of Anatomy, ایران
 
     
   
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