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자료유형
학술저널
저자정보
성연희 (충북대학교)
저널정보
충북대학교 동물의학연구소 Journal of Biomedical and Translational Research Journal of Biomedical and Translational Research 제22권 제2호
발행연도
2021.1
수록면
78 - 84 (7page)

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The young shoots of Aralia elata, Chaenomeles sinensis fruit and Glycyrrhizae radix are edible and traditionally used as anti-inflammatory and antioxidant agents. The present study was performed to investigate the protective effect of an ethanol extract mixture of these three medicinal plants (ACG) against amyloid β protein (Aβ) (25?35)-induced memory impairment in an ICR mouse model. Memory impairment was induced by intracerebroventricular microinjection of 15 nmol Aβ (25?35) and assessed using the passive avoidance test and the Morris water maze test. The step-through latency in the passive avoidance test was decreased and the latency to reach the hidden platform in the Morris water maze test was increased in mice treated with Aβ (25?35), indicating memory impairment. This memory impairment induced by Aβ (25?35) was significantly prevented by chronic treatment with ACG (10, 25, and 50 mg/kg, p.o., 8 days). In memory impaired mice brain, cholinesterase activity and concentration of thiobarbituric acid reactive substance, a lipid peroxidation marker, were increased and glutathione level was decreased. These biochemical changes in Aβ (25?35)-treated mice were reversed by chronic administration of ACG. The present results suggest that antioxidant and anti-cholinesterase activities of ACG might be responsible for the inhibition of Aβ (25?35)-induced memory impairment and that ACG preparation may have a therapeutic role in preventing the progression of Alzheimer’s disease.

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