KMID : 1161420190220060587
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Journal of Medicinal Food 2019 Volume.22 No. 6 p.587 ~ p.593
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Ameliorative Effects of Dendropanax morbifera on Cognitive Impairment Via Enhancing Cholinergic Functions and Brain-Derived Neurotrophic Factor Expression in ¥â-Amyloid-Induced Mice
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Kim Mi-Jeong
Park Soo-Yeon Lee Seung-Hyun Kim Yong-Jae Kim Young-Jun Jun Woo-Jin Yoon Ho-Geun
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Abstract
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Alzheimer's disease accounts for the majority of dementia and shows hallmarks such as sequential cognitive dysfunction and abnormal behavior. Dendropanax morbifera (DM) has traditionally been used to treat a variety of diseases in East Asia. The aim of this study was to assess the therapeutic effects of DM on brain neuron damage and on cognitive deficit in neuronal cell induced by A¥â1?42 in mice. Treatment with DM reduced the levels of intracellular reactive oxygen species and protected against the death of neuronal cells induced by A¥â1?42 peptide. In addition, it was also found that pretreatment with DM decreased cognitive damage induced by A¥â peptide via enhancing the cholinergic system and antioxidant defense system in mice. Furthermore, the study verified that the change in the expression of both cyclic-adenosine monophosphate response element binding protein and of brain-derived neurotrophic factor in the hippocampus in A¥â peptide-treated mice was significantly ameliorated after treatment with DM. Accordingly, these results suggest that pretreatment with DM defends against oxidative stress and cognitive impairment caused by A¥â peptide.
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KEYWORD
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A¥â peptide, Alzheimer's disease, brain-derived neurotrophic factor, cognitive function, Dendropanax morbifera, oxidative stress
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