Nov 13, 2019

Polysaccharides from Lycium barbarum ameliorate amyloid pathology and cognitive functions in APP/PS1 transgenic mice

International Journal of Biological Macromolecules
Yue ZhouGang Pei

Abstract

Alzheimer's disease (AD) is the most common degenerative disease of the central nervous system. It is associated with abnormal accumulation of amyloid-β (Aβ) plaques, impaired neurogenesis, and damaged cognitive functions. We have known for a long time that natural compounds and their derivatives have gained increasing attention in AD drug research due to their multiple effects and inherently enormous chemicals. In this study, we will demonstrate that polysaccharides from L. barbarum (LBP1), a traditional natural compound, can reduce Aβ level and improve the cognitive functions in APP/PS1 transgenic mouse. LBP1 can enhance neurogenesis as indicated by BrdU/NeuN double labeling. Furthermore, it can restore synaptic dysfunction at hippocampus CA3-CA1 pathway. Additionally, in vitro cell assay indicates that LBP1 may affect Aβ processing. In conclusion, our study indicates that LBP1 might be a potential therapeutic agent for the treatment of AD against multiple targets that include synaptic plasticity, Aβ pathology and neuropathology.

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Mentioned in this Paper

Study
Biochemical Pathway
Research
Natural Products
Lycium barbarum
4-azidophenylpropionamide
Alzheimer's Disease
Neuronal Plasticity
Neuropathology
Pharmacologic Substance

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