Article ID Journal Published Year Pages File Type
5557750 Pharmacology & Therapeutics 2017 12 Pages PDF
Abstract

Prion-like propagation of abnormal intracytoplasmic proteins, which are the defining features of major neurodegenerative disorders, such as Alzheimer's disease (AD), Parkinson's disease (PD) and amyotrophic lateral sclerosis (ALS), has been proposed. A growing body of evidence strongly suggests that abnormal tau, α-synuclein and TDP-43 have prion-like properties, convert the corresponding normal proteins into abnormal forms, and are transmitted from cell to cell, spreading throughout the brain. This idea is extremely important not only for understanding the pathogenesis and progression of these diseases, but also for the development of molecular therapies. Since the distributions and spreading of the abnormal proteins are closely associated with disease symptoms and progression, gain-of-toxic-function of these proteins may affect the neurons and glial cells either directly or indirectly, or both. It is essential to regulate the aggregation of abnormal intracellular proteins and their cell-to-cell transmission in order to stop, or at least slow, the progression of these diseases.

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