Volume 13, Issue 4 (July & August: Special Issue on Cognitive Sciences 2022)                   BCN 2022, 13(4): 443-454 | Back to browse issues page

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Rezaeian L, Khaksari M, Rafaiee R, Kalalian Moghaddam H. Neuroprotective Effects of Berberine Hydrochloride on Methamphetamine-induced Cognitive Dysfunction: Immunohistochemical and Behavioral Studies in Rats. BCN 2022; 13 (4) :443-454
URL: http://bcn.iums.ac.ir/article-1-1758-en.html
1- Department of Addiction Studies, School of Medicine, Shahroud University of Medical Sciences, Shahroud, Iran.
2- Addiction Research Center, Shahroud University of Medical Sciences, Shahroud, Iran.
3- Department of Neuroscience, School of Advanced Technologies in Medicine, Mazandaran University of Medical Sciences, Sari, Iran.
4- Department of Physiology, School of Medicine, Shahroud University of Medical Sciences, Shahroud, Iran.
Introduction: Methamphetamine (MA) as an addictive psychostimulant drug affects the central nervous system. The current research aimed to evaluate the impact of berberine hydrochloride on improving cognitive function and neuroprotective effects in rats addicted to MA.
Methods: In this study, 27 male Wistar rats were randomly assigned to three groups, including control, MA addiction, and MA addiction with berberine hydrochloride (100 mg/kg/d) orally during the three weeks of withdrawal. Two groups received self-administered inhaled MA for two weeks (up to 10 mg/kg). Following the experimental procedures, a Morris water maze (MWM) and shuttle box were used to assess memory, and hippocampal sections from the animals were examined for caspase-3, Ki-67, and glial fibrillary acidic protein (GFAP) expression.
Results: The obtained results from the Morris water maze (MWM) showed that berberine hydrochloride decreases (P<0.01) the distance moved and the time spent to reach the hidden platform in the four-day learning trails phase and significant differences were observed in the distance moved, spent time, and frequency of motion in target quadrant on probe test day between groups. Berberine hydrochloride also reduced the latency of animals entering the dark chamber in the treated group compared to the control group (P<0.05). A significant decrease in activation of caspases-3, higher percentages of Ki-67 expression, and an increase in glial fibrillary acidic protein (GFAP) expression of cells was observed in the addicted group compared to the berberine-treated and control groups (P<0.05).
Conclusion: Administration of berberine hydrochloride for 3 weeks improves cognitive function in MA addiction and it has potential neuroprotective efficacy.
Type of Study: Original | Subject: Cognitive Neuroscience
Received: 2020/04/21 | Accepted: 2020/10/6 | Published: 2022/07/24

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