Regulation of Autophagy in Neurodegenerative Diseases by Natural Products

Advances in Experimental Medicine and Biology
Shuaishuai Liu, Xuejun Li

Abstract

Neurodegenerative diseases mainly include Alzheimer's disease (AD), Parkinson's disease (PD), Huntington's disease (HD). It is now found that these diseases may be related to autophagic dysfunction. The mechanism is due to abnormalities in autophagy, which lead to abnormal or misfolded proteins accumulating in the cytoplasm, nucleus, and extracellular inclusion bodies, causing neuronal organelle damage and synaptic dysfunction. Since these diseases are much complex, the effect of monotherapy is not significantly affected. There is still a need to strengthen the study of anti-neurodegenerative drugs. Natural products should be a good source for the new drug discovery since most of natural products are multiple-target compounds. In this chapter, we reviewed some progress on studying resveratrol, curcumin, tripterine, and paeoniflorin. These natural products can eliminate abnormal protein aggregates by regulating autophagy, and thereby these compounds are promising to be used in prevention and treatment of neurodegenerative diseases in the future.

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