Volume 23, Issue 4 (October & November 2020)                   J Arak Uni Med Sci 2020, 23(4): 524-539 | Back to browse issues page

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Heidari Soureshjani F, Kheirollahi M, Yaghmaei P, Sotoodehnejadnematalahi F. Effect of Donepezil and Hyoscyamoside on Improving Spatial Memory in Rats With Alzheimer's Disease. J Arak Uni Med Sci 2020; 23 (4) :524-539
URL: http://jams.arakmu.ac.ir/article-1-6263-en.html
1- Department of Biology, Faculty of Basic Sciences, Science and Research Branch, Islamic Azad University, Tehran, Iran.
2- Department of Genetics and Molecular Biology, School of Medicine, Isfahan University of Medical Sciences, Isfahan, Iran. , mkheirollahi@med.mui.ac.ir
Abstract:   (1821 Views)
Background and Aim: Alzheimer's Disease (AD) is a neurodegenerative brain disease that gradually destroys memory and cognitive skills. The disease is caused by the formation of beta-amyloid plaques, oxidative stress, dysfunctions in the cholinergic system, neuronal killing inflammation, and ultimately brain atrophy. Donepezil and hyoscyamoside have inhibitory effects on these pathogens; therefore, their impact on the learning process of Alzheimer’s rats in the Morris Water Maze was investigated.
Methods & Materials:  In the present experimental study, 60 male rats of Wistar breed with approximately 7 weeks age within the control group (rats that received normal water and food), the PBS group (underwent surgery), PBS group (received solvent Aβ), the first Alzheimer›s group (animals that received beta-amyloid by Alzheimer’s surgery, second Alzheimer’s group (after Alzheimer’s surgery, they received 1 cc of normal saline daily, and treatment groups that treated the rats with beta-amyloid after Alzheimer. In the hyoscyamoside group, they received 10 mg/kg daily of hyoscyamoside for 28 days. The donepezil group received it 4 mg/kg daily for 28 days by gavage. The Morris Water Maze test was used to evaluate learning and memory. Data were analyzed by ANOVA statistical analysis and Post Hoc test.
Ethical Considerations: The Ethics Committee in Biomedical Research, Islamic Azad University, Science and Research Branch approved the research (Code: IR.IAU.SRB.REC 1397.057)
Results: Beta-amyloid injection caused extensive damage to memory. The treatment groups with hyoscyamoside and donepezil spent less time and distance with a significant level (P<0.001) than the group of Alzheimer’s patients to find the hidden platform. In the reminder phase, where the previously hidden platform was located, they spent more time, with a significant level (P<0.001) in the local quarter.
Conclusion: Treatment of rats with hyoscyamoside and donepezil improved spatial memory in Alzheimer’s rats. They appear to play a significant role in the prevention and treatment of Alzheimer’s disease.
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Type of Study: Original Atricle | Subject: Basic Sciences
Received: 2020/03/16 | Accepted: 2020/08/26

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