Home Bratislava Medical Journal 2019 Bratislava Medical Journal Vol.120, No.12, p.881–886, 2019

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Published Monthly, in English
Founded: 1919
ISSN 0006-9248
(E)ISSN 1336-0345
 

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Bratislava Medical Journal Vol.120, No.12, p.881–886, 2019

Title: The effects and mechanisms of the action of galangin on spatial memory in rats
Author: F. S. Kilic, B. Kaygisiz, S. Aydin, E. Yildirim, S. Oner, K. Erol

Abstract: BACKGROUND: Galangin, a flavonoid compound with acetylcholinesterase inhibitory activity, may improve cognitive functions by enhancing cholinergic transmission.
OBJECTIVES: We aimed to investigate the effects of galangin on spatial memory impairment in rats.
METHODS: The effects of galangin (50 and 100 mg/kg) and reference anti-dementia drug donepezil (1mg/kg) administrations were examined on memory impairment induced by the muscarinic cholinergic receptor antagonist scopolamine or the nicotinic cholinergic receptor antagonist mecamylamine in the Morris water maze (MWM) test. Hippocampal acetylcholine concentrations were also determined.
RESULTS: Galangin 50 and 100 mg/kg significantly decreased the mean distance to platform and increased the time spent in the escape platform quadrant in scopolamine-treated rats. Galangin 100 mg/kg significantly decreased the mean distance to platform and increased the time spent in the escape platform quadrant in mecamylamine-treated rats. The effects of galangin in the MWM were comparable with donepezil. Scopolamine and mecamylamine decreased acetylcholine concentrations, whereas galangin both alone and with mecamylamine or scopolamine administration increased acetylcholine concentrations.
CONCLUSION: Galangin improved memory impairment comparable to donepezil and nicotinic and muscarinic receptors may be involved in this effect. Galangin may be considered as a promising flavonoid in the prevention and treatment of memory impairment in Alzheimer’s disease and other dementias (Fig. 7,Ref. 37).

Keywords: spatial memory, cognition, galangin, Morris water maze, rats
Published online: 18-Dec-2019
Year: 2019, Volume: 120, Issue: 12 Page From: 881, Page To: 886
doi:10.4149/BLL_2019_148


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