Exosome and prevention of Alzheimer's disease:based on theory of kidney storing essence
The theory of kidney storing essence storage,an important part of the basic theory of traditional Chinese medicine(TCM),comes from the Chapter 9 Discussion on Six-Plus-Six System and the Manifestations of the Viscera in the Plain Questions,which says that"the kidney manages closure and is the root of storage and the house of Jing(Essence)".According to this theory,es-sence is the fundamental substance of human life activities and it is closely related to the growth and development of the human body.Alzheimer's disease(AD)is one of the common neurodegenerative diseases,with the main pathological features of Aβ deposition and Tau phosphorylation,which activate neurotoxic reactions and eventually lead to neuronal dysfunction and cell death,severely impairing the patient's cognitive and memory functions.Although research results have been achieved in the TCM treatment of AD,the complex pathogenesis of AD makes it difficult to develop the drugs capable of curing AD.The stem cell therapy is an important method to pro-mote self-repair and regeneration,and bone marrow mesenchymal stem cells(BMSCs)as adult stem cells have the ability of multi-di-rectional differentiation.By reviewing the relevant literature,this paper discusses the association between BMSCs and the TCM theory of kidney storing essence,and expounds the material basis of this theory from the perspective of molecular biology.Studies have shown that TCM with the effect of tonifying the kidney in the treatment of AD are associated with BMSCs.Exosomes produced by such cells are one of the main substances affecting AD.Exosomes containing nucleic acids,proteins,and lipids can participate in intercellular communication,regulate cell function,and affect AD by reducing Aβ deposition,inhibiting Tau protein phosphorylation and neuroin-flammation,and promoting neuronal regeneration.Therefore,discussing the prevention and treatment of exosomes and AD based on the theory of kidney storing essence will provide a new research idea for the TCM treatment of AD.
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